SP7121 Datasheet, PDF (3/11 Pages) Sipex Corporation – 2-Channel Adjustable Low Dropout High Side Linear LED Driver

PIN ASSIGNMENTS
Pin Name
Vcc
GND
EN
ISET
LED2
LED1
SP7121
1
2
3
4
5
6
Pin Description
Power input pin. Bypass Vcc to GND with 1nF
capacitor as close to VIN as possible
Ground pin
Enable pin. Device is active if EN is logic HIGH
Connect external resistor to set LED current
Connect anode of LED2
Connect anode of LED1
BLOCK DIAGRAM
Sept 11 - 07 Rev E
SP7121 Low Dropout LED Driver
Page 3
© 2007 Sipex Corporation