Single Output Step Down (Buck) Converters Vin max 7V~30V

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Product Type	In Production Pre-sample NRND
Application Type	Consumer Industrial Automotive
Vin_min (V)		Vin_max (V)
Io_max (A)		Iq (uA)
Vref Accuracy

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Part Number	Vin_min (V)	Vin_max (V)	Vo_min (V)	Io_max (A)	Vref Accuracy	Fsw (MHz)	Iq (uA)	Package	Protection Mode	Features / Special Function	Datasheet	Online Simulation
Matching parts：80			fixed 5.1 Fixed 5.1 Fixed 3.36 Fixed 3.338 5.15 5.1 3.338 3.3 1 0.9 0.6 0.4	20 12 11 10 9 8 6 5 4 3.5 3 2 15/Per phase 1.7 1 /	±3% ±2% ±1.83% ±1.5% ±1.0% ±1% (Vref ≥ 600mV) ±1% ± 1.5%	2.5 2 1.4 1.2 1.15 1 0.8 0.66/1.1/2.2 0.66/1.1 0.6/0.8/1.0 0.6/0.8/1 0.6 0.5/ 0.75/1/ 1.25 0.5-2.5 0.5 0.4~1.8 0.4/0.8/1.2 0.4	4000 850 650 600 550 540 400 270 250 200 1mA (max.) 190 180 140 130 128 121 120 115 110 100 96 85 80 75 65 19	TSOT23-8 TSOT23-6 SOT23-6 SO8E QFN4x3-13 QFN3×4-13 QFN3×3-20 QFN3x4-21 QFN3x4-19 QFN3x4-14 QFN3x4-13 QFN3x3-20 QFN3x3-16 QFN3x3-12 QFN3x3-10 QFN3.5x3.5-18 QFN2x3-14 QFN2.5×2.5-16 QFN2.5x2.5-16 LGA6×6-42 DFN3x4-12	latch-off SCP/OVP hic-cup UVP/OVP/OCP/OTP SCP foldback PFM hic-cup UVP OVP Latch-off SCP Hic-cup SCP UVP OTP Latch-off UVP/OVP Latch-off Mode Hic-cup/Latch-off Hic-cup SCP/OVP Hic-cup Mode UVP Hic-cup Mode Hic-cup Hic-Cup SCP Hic-Cup	auto-recovery OTP Support smooth startup with pre-biased output Stackable Dual phase synchronous step-down converter Pmbus Compatible Interface Black-Box Function Remote sense seamless ILMT pre-bias startup FCCM/PFM pre-bias startup Programmable Valley Current Limit & Soft-start Latch-off Protection PFM/FCCM PFM/FCCM Hic-cup Protection Programmable Soft-start/Switching frequency/Over current limit USM or FCCM Programmable Soft-start Power Good Indicator ±1A VTT LDO and ±10mA Buffered Reference Auto-Discharge programmable output current limit fixed 3.338V output Ultrasonic control inout Support VDDQ LDO High-Z in S3 Seamless ILMT Pre-bias startup Programmable Soft-start Time Adj Ilimit 12A peak current 16A Peak current programmable output current limit 100mA LDO fixed output voltage 100mA LDO Current Capability selectable Hic-cup/Latch-off SCP 12A Continuous/15A Peak Current Capability Programmable peak current limit Output Discharge Auto-discharge Hic-cup SCP PFM/PWM Power Good Indicator PFM Light Load Operation Support Smooth Startup with Pre-Biased Output Hic-Cup Mode Output Under Voltage Protection Large Duty Cycle On-Time Stretch/Power Good Indicator/Auto-Discharge High Duty Cycle Capable using On-Time Stretch/Power Good Indicator/Auto-Discharge High Duty Cycle Capable using On-Time Stretch PFM/FCCM Selectable Light Load Operation Mode Power Good Indicator Output Auto-Discharge Function Hic-cup for Short Circuit Protection Output Auto-Discharge Function Hic-cup SCP Hic-Cup SCP Cycle-by-cycle Valley Current Limitation Constant On-Time and Ripple-Based Control PFM/USM Selectable Light Load Operation Mode	Y N

SY21042ADC	4.5	28	0.6	1.7	±2%	0.5	400	TSOT23-6		Cycle-by-cycle Valley Current Limitation	N	Consumer
SY2A26066WYQ	3	7		6	±1%	0.66/1.1/2.2	850	QFN2x3-14	OVP, UVP, OTP	Power Good Indicator	N	Automotive
SY26613QDQ	4.5	19	0.6	/	±1%	0.5	1mA (max.)	QFN3x3-16	Hic-Cup SCP	Programmable Soft-start/Switching frequency/Over current limit, USM or FCCM	N	Industrial
SY26230AIC	4.5	30	0.6	3	±3%	0.5-2.5	19	TSOT23-8	Hic-Cup SCP	Hic-Cup SCP	Y	Industrial
SY26190VDQ	2.9	16	0.6	20	±1%	0.6/0.8/1.0	550	QFN3x4-19	hic-cup	Remote sense, seamless ILMT, pre-bias startup, FCCM/PFM	Y	Industrial
SY26180TXQ	2.9	16	0.6	20	±1%	0.6/0.8/1.0	550	QFN3x4-21	Hic-Cup SCP	Remote sense, seamless ILMT, pre-bias startup,	Y	Industrial
SY26172TXQ	2.7	16	0.6	12	±1%	0.6/0.8/1.0	650	QFN3x4-21	hic-cup	Remote sense, seamless ILMT, pre-bias startup	Y	Industrial
SY26147WZQ	4.5	17	0.6	12	±1.0%	0.4/0.8/1.2	600	QFN3.5x3.5-18		Power Good Indicator, pre-bias startup, FCCM/PFM	N	Consumer
SY26138RAC	4	23	0.6	8	±1%	0.6	120	QFN3x3-20	Hic-Cup SCP	Power Good Indicator, Hic-cup SCP, PFM/PWM	Y	Industrial
SY26136RAC	4	23	0.6	6	±1%	0.6	120	QFN3×3-20	Hic-Cup SCP	Power Good Indicator, Hic-cup SCP, PFM/PWM	Y	Industrial
SY26132NIG	3	16	0.4	15/Per phase	±1% (Vref ≥ 600mV)	0.4~1.8	4000	LGA6×6-42	UVP/OVP/OCP/OTP	Stackable Dual phase synchronous step-down converter, Pmbus Compatible Interface, Black-Box Function	N	Consumer
SY26120VDC	2.9	16	0.6	20	±1%	0.6/0.8/1	550	QFN3x4-19		Remote sense, seamless ILMT, pre-bias startup, FCCM/PFM	Y	Industrial
SY26112VDC	2.7	16	0.6	12	±1%	0.6/0.8/1.0	650	QFN3x4-19	Hic-Cup SCP	Remote sense, seamless ILMT, pre-bias startup, FCCM/PFM	Y	Industrial
SY26106WYQ	2.85	16	0.9	6	±1%	0.66/1.1	850	QFN2x3-14	Latch-off Mode	Programmable Valley Current Limit & Soft-start, Latch-off Protection, PFM/FCCM	N	Industrial
SY26106BWYQ	2.85	16	0.9	6	±1%	0.66/1.1/2.2	850	QFN2x3-14	Latch-off Mode	Programmable Valley Current Limit & Soft-start, Latch-off Protection, PFM/FCCM	N	Industrial
SY26105WYQ	2.85	16	0.6	6	±1%	0.66/1.1/2.2	850	QFN2x3-14	Hic-cup Mode	Programmable Valley Current Limit & Soft-start, Hic-cup Protection, PFM/FCCM	N	Industrial
SY26105BWYQ	2.85	16	0.6	6	±1%	0.66/1.1/2.2	850	QFN2x3-14	Hic-cup Mode	Programmable Valley Current Limit & Soft-start, Hic-cup Protection, PFM/FCCM	N	Industrial
SY26103RHQ	5.2	18	0.6	4	±1.83%	2	75	QFN2.5x2.5-16		Programmable Soft-start	N	Industrial
SY21720VDC	2.9	16	0.6	20	±1%	1	550	QFN3x4-19	OVP,Hic-cup SCP	Power Good Indicator,Remote sense, Seamless ILMT, Pre-bias startup, FCCM/PFM, Programmable Soft-start Time,Auto-Discharge	N	Consumer
SY21712VDC	2.7	16	0.6	12	±1%	1	650	QFN3x4-19	OVP,Hic-cup SCP	Power Good Indicator,Remote sense, Seamless ILMT, Pre-bias startup, FCCM/PFM, Programmable Soft-start Time,Auto-Discharge	N	Consumer

Selection Guide

Title	Date
Automotive Solutions Q1 2025	2025-01-21
Industrial Designs Q1 2025	2025-03-07
Consumer Selection Guide Q1_2025	2025-03-13