Diodes AP2805 - Manual (Page 6)

Data Sheet
500mA High-side Power Distribution Switch with Enable and Flag AP2805
Aug. 2012 Rev 1. 0 BCD Semiconductor Manufacturing Limited
6
Electrical Characteristics
(V
IN
=5.0V, C
IN
=2.2µF, C
OUT
=1.0µF, Typical T
A
=25°C, unless otherwise specified)
Parameter Symbol Conditions Min Typ Max Unit
Input Voltage Range V
IN
2.7 5.5 V
Switch On Resistance R
DS(ON)
V
IN
=5.0V, I
OUT
=0.5A 60 80 m Ω
Current Limit I
LIMIT
V
OUT
=4.0V 0.7 1.0 1.4 A
Supply Current I
SUPPLY
V
IN
=5.0V, No Load 60 80 µA
Fold-back Short Current I
SHORT
V
OUT
=0V 0.7 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 5.0V 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
AP2805A, AP2805C only 100 200 Ω
Output Turn-on Time t
ON
From Enable Active to 90% of
Output
500 µs
Flag Delay Time t
DFLG
From Fault Condition to Flag
Active
5 10 15 ms
Flag Low Voltage V
FLG
I
SINK
=5.0mA 35 70 mV
Flag Leakage Current I
LEAKAGE
FLAG Disable, Force 5.0V 1.0 µA
Thermal Shutdown
Temperature
T
OTSD
150 o C
Thermal Shutdown Hysteresis T
HYOTSD
30 o C