SMD Marking Code - 637

637

Total Parts	6/6
Manufacturers	Ricoh Co., Ltd, Torex Semiconsuctor Ltd.
Functions	DC/DC Voltage Converter Integrated Circuit, Linear Voltage Regulator Integrated Circuit
Cases	SOT-23, SOT-89, SOT-23-5, SOT-25
Pins	28sd, 28ca, 20br, 28zq, 28cx, 16sw
Description	PFM step-up, 100kHz, 3.7V±2.5%, 400mA PFM step-up, 100kHz, 3.7V±2.5%, 400mA LDO, Low noise, 3.7V±2%, 150mA, +CE, CL LDO, 3.7V±1.5%, 300mA, +CE, ECO, CL PWM step-down, 300kHz, 3.7V±2%, 600mA, +CE PFM step-up, 100kHz, 3.7V±2.5%, 400mA, +CE

SMD Code	A	Part Number	Manufacturer	Case	Pin	Description
637	cm	XC9111B371MR	Tor	SOT-23	16sw	DC/DC Voltage Converter Integrated Circuit PFM step-up, 100kHz, 3.7V±2.5%, 400mA
637	jb	XC9111B371PR	Tor	SOT-89	20br	DC/DC Voltage Converter Integrated Circuit PFM step-up, 100kHz, 3.7V±2.5%, 400mA
637	-	R1114N371D	Ric	SOT-23-5	28cx	Linear Voltage Regulator Integrated Circuit LDO, Low noise, 3.7V±2%, 150mA, +CE, CL
637	-	R1191N037D	Ric	SOT-23-5	28ca	Linear Voltage Regulator Integrated Circuit LDO, 3.7V±1.5%, 300mA, +CE, ECO, CL
637	ed	XC9206A373M	Tor	SOT-25	28zq	DC/DC Voltage Converter Integrated Circuit PWM step-down, 300kHz, 3.7V±2%, 600mA, +CE
637	eh	XC9111D371MR	Tor	SOT-25	28sd	DC/DC Voltage Converter Integrated Circuit PFM step-up, 100kHz, 3.7V±2.5%, 400mA, +CE