SMD Marking Code - EF9

EF9

Total Parts	8/8
Manufacturers	BCD Semiconductor Manufacturing Limited, Torex Semiconsuctor Ltd.
Functions	DC/DC Voltage Converter Integrated Circuit, Linear Voltage Regulator Integrated Circuit, Voltage Detector Integrated Circuit
Cases	USP-6EL, SOT-23, CL-2025, SOT-25, USP-6C, WLP-5-03
Pins	28sd, 56dc5, 28dc4, 67dc7, 49dc5, 56aa*, 16cg, 28g9
Description	LDO, 1.2V±2%, 200mA PWM-PWM/PFM, st-dwn, 0.9V±2%, 600mA, 3MHz, Vin>2V, HSST, CL PWM step-up, 5.9V±2.5%, 200mA, 100kHz, +CE 4.0V±2%, -Reset ODO, +WDEN, Wt=800ms, Rt=200ms PWM-PWM/PFM, st-dwn, 0.9V±2%, 600mA, 3MHz, Vin>2V, HSST, CL PWM-PWM/PFM, st-dwn, 0.9V±2%, 600mA, 3MHz, Vin>2V, HSST, CL PWM-PWM/PFM, st-dwn, 0.9V±2%, 600mA, 3MHz, Vin>2V, HSST, CL PWM-PWM/PFM step-down, 3MHz, 0.9V±2%, 600mA, CL

SMD Code	A	Part Number	Manufacturer	Case	Pin	Description
EF9	-	AP2121N-1.2TRE1	Bcd	SOT-23	16cg	Linear Voltage Regulator Integrated Circuit LDO, 1.2V±2%, 200mA
EF9	-	XC9237B09DMR-G	Tor	SOT-25	28dc4	DC/DC Voltage Converter Integrated Circuit PWM-PWM/PFM, st-dwn, 0.9V±2%, 600mA, 3MHz, Vin>2V, HSST, CL
EF9	eb	XC6367E591MR	Tor	SOT-25	28sd	DC/DC Voltage Converter Integrated Circuit PWM step-up, 5.9V±2.5%, 200mA, 100kHz, +CE
EF9	ej	XC6121E740MR-G	Tor	SOT-25	28g9	Voltage Detector Integrated Circuit 4.0V±2%, -Reset ODO, +WDEN, Wt=800ms, Rt=200ms
EF9	-	XC9237B09D0R-G	Tor	WLP-5-03	56aa*	DC/DC Voltage Converter Integrated Circuit PWM-PWM/PFM, st-dwn, 0.9V±2%, 600mA, 3MHz, Vin>2V, HSST, CL
EF9	-	XC9237B09D4R-G	Tor	USP-6EL	56dc5	DC/DC Voltage Converter Integrated Circuit PWM-PWM/PFM, st-dwn, 0.9V±2%, 600mA, 3MHz, Vin>2V, HSST, CL
EF9	-	XC9237B09DER-G	Tor	USP-6C	49dc5	DC/DC Voltage Converter Integrated Circuit PWM-PWM/PFM, st-dwn, 0.9V±2%, 600mA, 3MHz, Vin>2V, HSST, CL
EF9	-	XCL207B093AR-G	Tor	CL-2025	67dc7	DC/DC Voltage Converter Integrated Circuit PWM-PWM/PFM step-down, 3MHz, 0.9V±2%, 600mA, CL