Description
The AP3127B Series is a fixed frequency, constant current step-up DC/DC converter ideal for driving LEDs used in backlighting applications on cellular phones, PDAs and digital cameras etc.
Features
- z Input voltage range : 2.5V-6V z Output voltage range : up to 23V externally set-up
reference voltage 0.25V z Oscillation frequency : 1.0MHz z On resistance : 0.8Ω z Efficiency : 88%(When driving 3 white LEDs in
series Vin=3.6V ILED=20mA) z Control : PWM control z Stand-by Current : ISTB=1.0uA z Load capacitor : 0.22uF,ceramic z Lx limit Current :1.0A
Package
S0T-23-6L
Typical.
AP3127B Datasheet
