Diodes AP2820 - Manual (Page 7)

Advance Datasheet
High-side Power Distribution Switch with Enable and Flag AP2820
Jul. 2012 Rev 1. 7 BCD Semiconductor Manufacturing Limited
7
Electrical Characteristics
For A/B/C/D Versions
(V
IN
=5.0V, C
IN
=2.2 μF, C
OUT
=1.0 μF, Typical T
A
=25°C, Bold typeface applies over -40°C≤T
A
≤85°C ranges, unless otherwise
specified)
Parameter Symbol Condition Min Typ Max Unit
Input Voltage Range V
IN
2.7 5.5 V
Switch On Resistance R
DS(ON)
V
IN
=5V, I
OUT
=2.0A 60 80 m Ω
Current Limit I
LIMIT
V
OUT
=4.0V 2.2 2.7 3.2 A
Supply Current I
SUPPLY
V
IN
=5V, No Load 75 105 μA
Fold-back Short Current I
SHORT
V
OUT
=0 1.18 A
Shutdown Supply Current I
SHUTDOWN
Chip Disable, Shutdown Mode 0.1 1 μA
Enable High Input Threshold V
ENH
1.6 5.5 V
Enable Low Input Threshold V
ENL
0 1.0 V
Enable Pin Input Current I
EN
Force 0V to 5V at EN Pin -1.0 1.0 μA
Under Voltage Lockout
Threshold Voltage
V
UVLO
V
IN
Increasing from 0V 2.2 2.5 2.7 V
Under Voltage Hysteresis V
UVLOHY
0.2 V
Reverse Current I
REVERSE
Chip Disable, V
OUT
>V
IN
0.1 1.0 μA
Output Pull Low Resistance
after Shutdown
R
DISCHARGE
AP2820A, AP2820C Only 100 200 Ω
Output Turn-on Time t
ON
From Enable Active to 90% of
Output
500 μs
FLAG Pin Delay Time t
DFLG
From Over Current Fault
Condition to Flag Active
5 10 15 ms
FLAG Pin Low Voltage V
FLG
I
SINK
=5mA 35 70 mV
FLAG Pin Leakage Current I
LEAKAGE
FLAG Disable, Force 5.0V 1.0 μA
Thermal Shutdown
Temperature
T
OTSD
150 °C
Thermal Shutdown Hysteresis T
HYOTSD
30 °C