Description
19-2882; Rev 1; 4/04 KIT ATION EVALU E L B AVAILA Six-Channel, High-Efficiency, Digital Camera Power Supplies General .
Features.
95% Efficient Step-Up DC-to-DC Converter.
Main DC-to-DC Configurable as Either Step-U.
Features
* 95% Efficient Step-Up DC-to-DC Converter
* 0.7V Minimum Input Voltage
* Main DC-to-DC Configurable as Either Step-Up or Step-Down
* Combine Step-Up and Step-Down for 90% Efficient Boost-Buck
* 95% Efficient Step-Down for DSP Core
* Regulate LED Curre
Applications
* FB3L
Pin Configuration
GND ON3 CC3 DL1 DL3 DL2 FB2
30 CC2 29 ON2 28 PVM 27 LXM 26 PGM 25 PVSU 24 LXSU 23 PGSU 22 OSC 21 SDOK 11 12 13 14 15 16 17 18 19 20
PDAs
Typical Operating Circuit
FB3H 1
40 39 38 37 36 35 34 33 32 31
Li+ OR 2AA BATTERY INPUT MAX1567 STEP-UP MAIN DC-TO-DC ONSU ONM ONSD ON3