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Data Sheet
LM5177 60V Wide VIN Bidirectional 4-Switch
Buck-Boost Controller
1 Features
- Wide input range
from 3.5V to 60V (85V absolute maximum)
- Minimum 2.8V when
V(BIAS) > 3.5V
- Output voltage from 3.3V to 60V
- Low shutdown IQ of
3μA
- Low operating IQ of
60μA
- 3% reverse current limit accuracy
for precise charging currents
- Average input and output current
monitor or limiter
- Dynamic output voltage tracking
for PWM or analog input signals
- Power save mode (PSM) selectable
for high light load efficiency
- Two integrated high-voltage
supply LDOs with automatic selection
- 2A
peak current logic level gate driver
- Integrated bootstrap
diode
- Bootstrap overvoltage
and undervoltage protection
- Fixed frequency across all
operating modes (boost, buck-boost, buck)
- Forced PWM mode
selectable
- Switching up to 600kHz for small solution
and component size
- External clock
synchronization
- Spread spectrum operation
selectable
- Adjustable undervoltage
protection
- Hiccup overcurrent and short
protection