Description
VOUT1 as Its Power Supply)
The APW8822/A/B/C integrates dual step-down, constant-.
Excellent Line/Load Regulations about ±1.5% Over- on-time, synchronous PWM controllers (that drives dual
Temperature Range
N-channel MOSFETs for each channel) and two low drop-.
Built in POR Control Scheme Implemented
out regulators as well as various protections into a chip..
Constant On-Time Control Scheme with Frequency The PWM controllers step down high voltage of a battery.
Features
- Simplified Application Circuit.
- Wide Input voltage Range from 6V to 25V.
- Provide 5 Independent Outputs with ±1.0% Accu-
racy Over-Temperature
- PWM1 Controller with Adjustable (2V to 5.5V) Output
- PWM2 Controller with Adjustable (2V to 5.5V) Output
VIN 6V~25V
VLDO5
VOUT1
ENILIM1 EN LDO ENILIM2
Q1
LDO5 LDO3
VLDO3 Q3
L1 PWM1 PWM2
L2 VOUT2
Q2
Q4
Charge Pump
- 100mA Low Dropout Regulator (LDO5) with Fixed
C1 D2
D3 C3 D4
VCP
5V Output - 100mA Low Dropout Regulator.