Datasheet

ADP1821
Rev. C | Page 4 of 24
Parameter Conditions Min Typ Max Unit
LOGIC THRESHOLDS (SHDN, SYNC, FREQ)
SHDN, SYNC, FREQ Input High Voltage
V
VCC
= 3.7 V to 5.5 V 2.0
V
SHDN, SYNC, FREQ Input Low Voltage
V
VCC
= 3.7 V to 5.5 V 0.8
V
SYNC, FREQ Input Leakage Current SYNC = FREQ = GND 0.1 1 A
SHDN Pull-Down Resistance
100
kΩ
THERMAL SHUTDOWN
Thermal Shutdown Threshold 145 °C
Thermal Shutdown Hysteresis 10 °C
PWGD OUTPUT
FB Overvoltage Threshold V
FB
rising 750 mV
FB Overvoltage Hysteresis 35 mV
FB Undervoltage Threshold V
FB
rising 550 mV
FB Undervoltage Hysteresis 35 mV
PWGD Off Current V
PWGD
= 5 V 1 A
PWGD Low Voltage I
PWGD
= 10 mA 150 500 mV