Page 857, For Buyer

Part Number	Category	Family	Status	Description
TPS40020PWPG4	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM 16-HTSSOP
TPS40020PWPG4 498765 13+ Fengyangxin Technology ( HK ) Co.,Ltd TPS40020PWPG4 Semiconductor 19475 16/17+ RoHS Compliant ANRIC ELECTRONICS CO.,LTD. TPS40020PWPG4 TI 57559 15+ IC REG CTRLR BUCK PWM 16-HTSSOP Unitronix Electronics Limited TPS40020PWPG4 TI 37502 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com)
LTC1871HMS#PBF	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BST FLYBK CM 10MSOP
LTC1871HMS#PBF LINEAR 25000 2015+ IC Agent Electronics CO. LTC1871HMS#PBF LINEAR 25000 2015+ IC Agent Electronics CO. LTC1871HMS#PBF LINEAR 223 13-14+ MSOP10 Nego IC Co. LTC1871HMS#PBF? Semiconductor 19625 16/17+ RoHS Compliant ANRIC ELECTRONICS CO.,LTD.
MAX1956ETI+T	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM VM 28-TQFN
MAX1956ETI+T MAXIM 96500 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com MAX1956ETI+T MAXIM 26221 2014+ Pb-Free Unitronix Electronics Inc. MAX1956ETI+T MAXIM 26221 2014+ Pb-Free Unitronix Electronics Inc. MAX1956ETI+T MAXIM 26221 2014+ Pb-Free Unitronix Electronics Inc.
MAX5060ATI-T	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 28-TQFN
MAX5060ATI-T 22431 14+ ROSH BIKEIC (HK) ELECTRONICS CO.,LTD MAX5060ATI-T MAXIM 25629 2014+ Pb-Free Unitronix Electronics Inc. MAX5060ATI-T MAXIM 25629 2014+ Pb-Free Unitronix Electronics Inc. MAX5060ATI-T MAXIM 38074 14+ RoHS Compliant FindCores Electronics Inc.
LTC3833IFE#TRPBF	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 20TSSOP
LTC3833IFE#TRPBF 765489 13+ pulkey electronics ( HK ) co.,ltd LTC3833IFE#TRPBF Linear 5003 12+ 20-TSSOP (0.173, 4.40mm Width) Exposed Pad SINLIN ELECTRONICS LIMITED Authorized Distributor LTC3833IFE#TRPBF Linear 5003 12+ 20-TSSOP (0.173, 4.40mm Width) Exposed Pad SINLIN ELECTRONICS LIMITED Authorized Distributor LTC3833IFE#TRPBF LINEAR 66563 2014+ IC REG CTRLR BUCK PWM CM 20TSSOP ANRIC ELECTRONICS CO.,LTD.
TPS40053PWP	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM 16-HTSSOP
TPS40053PWPG4 498765 13+ Feng Sheng Electronics Co., Ltd. TPS40053PWPG4 19865 14+ 14+ BIKEIC (HK) ELECTRONICS CO.,LTD TPS40053PWPG4 originalne 54805 12+ RoHS IC INTERNATIONAL TRADING CO. TPS40053PWPG4 TI 5320 12+ 16-TSSOP (0.173, 4.40mm Width) Exposed pad SINLIN ELECTRONICS LIMITED Authorized Distributor TPS40053PWPR S/N 10000 2013+ electronics?components World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com TPS40053PWPR TI 22350 14+ MEGA IC ELECTRONICS.CO.LTD TPS40053PWPR TI 500 09+ MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM TPS40053PWPR TI 125000 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com
TPS40050PWP	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM 16-HTSSOP
TPS40050PWPG4 TI 87390 1525+ IC REG CTRLR BUCK PWM 16-HTSSOP Ronxim Components Ltd. TPS40050PWPG4 TI 87390 1525+ IC REG CTRLR BUCK PWM 16-HTSSOP Ronxim Components Ltd. TPS40050PWPG4 TI 37252 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com) TPS40050PWPG4NRND Texas Instruments 30,000 2102+ DC/DC Switching Controllers Wide Input Vltg Synch Buck Cntrlr Lei Li Electronics Co.,LtdBenny@leili-ic.com TPS40050PWPRG4NRND Texas Instruments 30,000 2102+ DC/DC Switching Controllers Wide Input Vltg Synch Buck Cntrlr Lei Li Electronics Co.,Ltd TPS40050PWPRG4NRND Texas Instruments 30,000 2102+ DC/DC Switching Controllers Wide Input Vltg Synch Buck Cntrlr Lei Li Electronics Co.,LtdBenny@leili-ic.com TPS40050PWPRG4NRND Texas Instruments 30,000 2102+ DC/DC Switching Controllers Wide Input Vltg Synch Buck Cntrlr Lei Li Electronics Co.,LtdBenny@leili-ic.com TPS40050PWPRNRND Texas Instruments 30,000 2102+ DC/DC Switching Controllers Wide Input Vltg Synch Buck Cntrlr Lei Li Electronics Co.,LtdBenny@leili-ic.com
TPS40050PWPG4	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM 16-HTSSOP
TPS40050PWPG4 TI 87390 1525+ IC REG CTRLR BUCK PWM 16-HTSSOP Ronxim Components Ltd. TPS40050PWPG4 TI 87390 1525+ IC REG CTRLR BUCK PWM 16-HTSSOP Ronxim Components Ltd. TPS40050PWPG4 TI 37252 16+ NEW RoHS and More QTY Semilex Electronics Limited. (Belwen@semi-lex.com) TPS40050PWPG4NRND Texas Instruments 30,000 2102+ DC/DC Switching Controllers Wide Input Vltg Synch Buck Cntrlr Lei Li Electronics Co.,LtdBenny@leili-ic.com
TPS40051PWPG4	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM 16-HTSSOP
TPS40051PWPG4 originalne 54805 12+ RoHS IC INTERNATIONAL TRADING CO. TPS40051PWPG4 originalne 54805 12+ RoHS IC INTERNATIONAL TRADING CO. TPS40051PWPG4 TI 6525 12+ 16-TSSOP (0.173, 4.40mm Width) Exposed pad SINLIN ELECTRONICS LIMITED Authorized Distributor TPS40051PWPG4 TI 2032 11+ n/a Protec Engineering (S) Pte Ltd protec@vip.163.com
TPS40053PWPG4	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM 16-HTSSOP
TPS40053PWPG4 498765 13+ Feng Sheng Electronics Co., Ltd. TPS40053PWPG4 19865 14+ 14+ BIKEIC (HK) ELECTRONICS CO.,LTD TPS40053PWPG4 originalne 54805 12+ RoHS IC INTERNATIONAL TRADING CO. TPS40053PWPG4 TI 5320 12+ 16-TSSOP (0.173, 4.40mm Width) Exposed pad SINLIN ELECTRONICS LIMITED Authorized Distributor
LM27213MTDX/NOPB	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 48TSSOP
LM27213MTDX/NOPB NSC 12553 12+ 48-TFSOP (0.240 6.10mm Width) SINLIN ELECTRONICS LIMITED Authorized Distributor LM27213MTDX/NOPB NSC 18183 12+ 48-TFSOP (0.240 6.10mm Width) Evergreen Electronics Co.,Ltd LM27213MTDX/NOPB NSC 12553 12+ 48-TFSOP (0.240, 6.10mm Width) SINLIN ELECTRONICS LIMITED Authorized Distributor LM27213MTDX/NOPB TI 50000 14+ 14+ Protec Engineering (S) Pte Ltd protec@vip.163.com
MAX15023ETG/V+T	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM VM 24WQFN
MAX15023ETG/V+T MAXIM 5693 12+ 24-WFQFN Exposed Pad SINLIN ELECTRONICS LIMITED Authorized Distributor MAX15023ETG/V+T MAXIM 5693 12+ 24-WFQFN Exposed Pad SINLIN ELECTRONICS LIMITED Authorized Distributor
UCC2580N-4G4	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BST FLYBK PWM 16DIP
UCC2580N-4G4 492100 12+ IC INTERNATIONAL TRADING CO. UCC2580N-4G4 645412 13+ 13+ ANKEY ELECTRONICS CO.,LTD UCC2580N-4G4 Semiconductor 49621 14+ RoHS Compliant £Á£Î£Ò£É£Ã Int£§l Electronics Limited UCC2580N-4G4 TI 6500 12+ 16-DIP (0.300, 7.62mm) SINLIN ELECTRONICS LIMITED Authorized Distributor
LTC1143CS	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 16-SOIC
LTC1143CS8 N/A 10-2000 2011+ SMD/DIP Fantastic Technologies limited. LTC1143CS8 Original n 52085 12+ ROHS IC INTERNATIONAL TRADING CO. LTC1143CSLCS 77200 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com LTC1143CSLCS S/N 10000 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLY
LTC1266CS	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK BST PWM 16SOIC
LTC1266CS#PTR LT 1034 2013+ 2013+ World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com LTC1266CS#PTR N/A 68700 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com LTC1266CS#PTR Original n 52085 12+ ROHS IC INTERNATIONAL TRADING CO. LTC1266CS#PTR Original n 52085 12+ ROHS IC INTERNATIONAL TRADING CO. LTC1266CS-5 ?LINEAR 6800 2008+ New & original parts Lei Li Electronics Co.,Ltd LTC1266CS-5 LINEAR 18000 2016+ SOP16 IC Agent Electronics InsKevin@ic-agent.com LTC1266CS-5 LINEAR 32510 2012 SOP16 Hong Da Electronics Co.LTD¡ï¡ï(brenda@hongda-ic.com) LTC1266CS-5 LT 35000 2016 SMD FEDERAL INDUSTRY InsTess@sunnlyic.com
LTC1266CS-5	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK BST PWM 16SOIC
LTC1266CS-5 ?LINEAR 6800 2008+ New & original parts Lei Li Electronics Co.,Ltd LTC1266CS-5 LINEAR 18000 2016+ SOP16 IC Agent Electronics InsKevin@ic-agent.com LTC1266CS-5 LINEAR 32510 2012 SOP16 Hong Da Electronics Co.LTD¡ï¡ï(brenda@hongda-ic.com) LTC1266CS-5 LT 35000 2016 SMD FEDERAL INDUSTRY InsTess@sunnlyic.com
LTC3711EGN	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 24-SSOP
LTC3711EGN LINEAR 13157 2013+ SSOP24 FindCores Electronics Co.,Ltd. LTC3711EGN LINEAR 18810 2014+RoHS SSOP24 Microtranik Components Limited LTC3711EGN LINEAR 32510 2012 SSOP24 Hong Da Electronics Co.LTD LTC3711EGN N/A 10-10000 2011+ SMD/DIP Fantastic Technologies limited. LTC3711EGN#PBF 77200 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com LTC3711EGN#PBF LINEAR 87710 1525+ IC REG CTRLR BUCK PWM CM 24-SSOP Ronxim Electronics Co.,Ltd. LTC3711EGN#PBF N/A 68700 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com LTC3711EGN#PBF NEW 89110 2016+ Original package well Renxim Technology Limited. sales@renxim.com
LTC3711EGN#PBF	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 24-SSOP
LTC3711EGN#PBF 77200 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com LTC3711EGN#PBF LINEAR 87710 1525+ IC REG CTRLR BUCK PWM CM 24-SSOP Ronxim Electronics Co.,Ltd. LTC3711EGN#PBF N/A 68700 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com LTC3711EGN#PBF NEW 89110 2016+ Original package well Renxim Technology Limited. sales@renxim.com
LTC3861IUH-1#TRPBF	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM VM 32-QFN
LTC3861IUH-1#TRPBF LINEAR 41975 1531+ IC REG CTRLR BUCK PWM VM 32-QFN AlphaTek Electronics Co.,Ltd. LTC3861IUH-1#TRPBF LINEAR 57399 15+ IC REG CTRLR BUCK PWM VM 32-QFN Unitronix Electronics Limited LTC3861IUH-1#TRPBF LINEAR 66533 2013+ IC REG CTRLR BUCK PWM VM 32-QFN Ameyic Electronics Limited LTC3861IUH-1#TRPBF LINEAR 66533 2014+ IC REG CTRLR BUCK PWM VM 32-QFN ANRIC ELECTRONICS CO.,LTD.
LM5116MHX	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 20TSSOP
LM5116MHXNOPB N/A 88000 2016 RohsAndNew European Union IC Industry Co.linda@ic-industry38.com LM5116MHXNOPB NS 25451 2014+ Pb-Free Unitronix Electronics Inc. LM5116MHXNOPB Originalnew 158190 12+ ROHSPb IC INTERNATIONAL TRADING CO.jennifer@ic-international.hk LM5116MHXNOPB Semiconductor 31195 16/17+ RoHS Compliant ANRIC ELECTRONICS CO.,LTD.
LM5115AMT/NOPB	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM 16-TSSOP
LM5115AMT/NOPB N/A 88000 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com LM5115AMT/NOPB S/N 10000 2013+ electronics components World Link Parts components Dev.ltd-ORIGINAL ONLYsales@wlparts.com LM5115AMT/NOPB Texas Instruments 30,000 2102+ DC/DC Switching Controllers Secondary Side Post Reg/Syn Buck Lei Li Electronics Co.,LtdBenny@leili-ic.com LM5115AMT/NOPB TI/NS 5 11+ MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM
LTC3770EG#PBF	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 28-SSOP
LTC3770EG#PBF Linear 9500 12+ 28-SSOP (0.209, 5.30mm Width) SINLIN ELECTRONICS LIMITED Authorized Distributor LTC3770EG#PBF LINEAR 87510 1525+ IC REG CTRLR BUCK PWM CM 28-SSOP Ronxim Electronics Co.,Ltd. LTC3770EG#PBF LINEAR 87510 1525+ IC REG CTRLR BUCK PWM CM 28-SSOP Ronxim Electronics Co.,Ltd. LTC3770EG#PBF LINEAR 87510 1525+ IC REG CTRLR BUCK PWM CM 28-SSOP Ronxim Electronics Co.,Ltd.
LTC3770EUH#PBF	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 32-QFN
LTC3770EUH#PBF Linear 6904 12+ 32-WFQFN Exposed Pad SINLIN ELECTRONICS LIMITED Authorized Distributor LTC3770EUH#PBF LINEAR 87310 1525+ IC REG CTRLR BUCK PWM CM 32-QFN Ronxim Electronics Co.,Ltd. LTC3770EUH#PBF LINEAR 18990 2014+RoHS QFN Microtranik Components Limited LTC3770EUH#PBF LT 50000 14+ QFN-32P Protec Engineering (S) Pte Ltd protec@vip.163.com
LTC3865IFE#PBF	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 38TSSOP
LTC3865IFE#PBF Linear 9000 12+ 38-TFSOP (0.173, 4.40mm Width) Exposed Pad SINLIN ELECTRONICS LIMITED Authorized Distributor LTC3865IFE#PBF LINEAR 66273 2014+ IC REG CTRLR BUCK PWM CM 38TSSOP ANRIC ELECTRONICS CO.,LTD. LTC3865IFE#PBF LINEAR 66273 2014+ IC REG CTRLR BUCK PWM CM 38TSSOP ANRIC ELECTRONICS CO.,LTD. LTC3865IFE#PBF LINEAR 66273 2014+ IC REG CTRLR BUCK PWM CM 38TSSOP ANRIC ELECTRONICS CO.,LTD.
LTC1624CS8#TRPBF	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR PWM CM 8SOIC
LTC1624CS8#TRPBF 25000 2016+ IC Agent Electronics InsKevin@ic-agent.com LTC1624CS8#TRPBF LT 16000 2016 FEDERAL INDUSTRY InsTess@sunnlyic.com LTC1624CS8#TRPBF LT 6875 1226+ MACROQUEST ELECTRONICS CO., LTDZHANCHUN1214@VIP.163.COM LTC1624CS8#TRPBF LT 2500 16+ SOP-8 Fantastic Technologies limited.info@fantastic-ele.com
LTC3737EUF#TR	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 24-QFN
LTC3737EUF#TR 77200 2016 Original&New&Rhos Hong Da Electronics Co.LTDbrenda@hongda-ic.com LTC3737EUF#TR ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com LTC3737EUF#TR ORIGINAL 55000 2009+ New & Original parts Lei Li Electronics Co.,LtdBenny@leili-ic.com LTC3737EUF#TRPBF LT 50000 14+ Protec Engineering (S) Pte Ltd
LTC3737EGN#TR	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM CM 24-SSOP
LTC3737EGN#TR Linear 6000 12+ 12+ SINLIN ELECTRONICS LIMITED Authorized Distributor LTC3737EGN#TR Linear 6000 12+ 12+ SINLIN ELECTRONICS LIMITED Authorized Distributor LTC3737EGN#TR LINEAR 87450 1525+ IC REG CTRLR BUCK PWM CM 24-SSOP Ronxim Electronics Co.,Ltd. LTC3737EGN#TR LINEAR 87450 1525+ IC REG CTRLR BUCK PWM CM 24-SSOP Ronxim Electronics Co.,Ltd.
MAX5974FETE+	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR FLYBACK PWM 16-TQFN
MAX5974FETE+ 876548 13+ fenkey electronics co.,ltd MAX5974FETE+ 876548 13+ fenyang electronics co.,ltd MAX5974FETE+ 18768 14+ ROSH BIKEIC (HK) ELECTRONICS CO.,LTD MAX5974FETE+ NEW 77970 2016+ Original package well Renxim Technology Limited. sales@renxim.com
UC2578DPTR	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM VM 16-SOIC
UC2578DPTRG4 492100 12+ IC INTERNATIONAL TRADING CO. UC2578DPTRG4 50000 14+ Protec Engineering (S) Pte Ltd protec@vip.163.com UC2578DPTRG4 Texas Instruments 30,000 2102+ DC/DC Switching Controllers Buck PWM Stepdown Vltg Reg Lei Li IC Components UC2578DPTRG4 Texas Instruments 30,000 2102+ DC/DC Switching Controllers Buck PWM Stepdown Vltg Reg Lei Li IC Components UC2578DPTRG4 TI 8350 12+ 16-SOIC (0.154, 3.90mm Width) SINLIN ELECTRONICS LIMITED Authorized Distributor UC2578DPTRG4 TI 57719 15+ IC REG CTRLR BUCK PWM VM 16-SOIC Unitronix Electronics Limited UC2578DPTRG4 TI 87570 1525+ IC REG CTRLR BUCK PWM VM 16-SOIC RONXIM ELECTRONICS LIMITED UC2578DPTRG4 TI 87570 1525+ IC REG CTRLR BUCK PWM VM 16-SOIC RONXIM ELECTRONICS LIMITED
UC2578DPTRG4	Integrated Circuits (ICs)	PMIC - Voltage Regulators - DC DC Switching Controllers	Active	IC REG CTRLR BUCK PWM VM 16-SOIC
UC2578DPTRG4 492100 12+ IC INTERNATIONAL TRADING CO. UC2578DPTRG4 50000 14+ Protec Engineering (S) Pte Ltd protec@vip.163.com UC2578DPTRG4 Texas Instruments 30,000 2102+ DC/DC Switching Controllers Buck PWM Stepdown Vltg Reg Lei Li IC Components UC2578DPTRG4 Texas Instruments 30,000 2102+ DC/DC Switching Controllers Buck PWM Stepdown Vltg Reg Lei Li IC Components UC2578DPTRG4 TI 8350 12+ 16-SOIC (0.154, 3.90mm Width) SINLIN ELECTRONICS LIMITED Authorized Distributor UC2578DPTRG4 TI 57719 15+ IC REG CTRLR BUCK PWM VM 16-SOIC Unitronix Electronics Limited UC2578DPTRG4 TI 87570 1525+ IC REG CTRLR BUCK PWM VM 16-SOIC RONXIM ELECTRONICS LIMITED UC2578DPTRG4 TI 87570 1525+ IC REG CTRLR BUCK PWM VM 16-SOIC RONXIM ELECTRONICS LIMITED