Diodes AP2820 Manuel d'utilisateur télécharger pdf (Page 7)

Advance Datasheet

High-side Power Distribution Switch with Enable and Flag AP2820

Jul. 2012 Rev 1. 7 BCD Semiconductor Manufacturing Limited

Electrical Characteristics

For A/B/C/D Versions

=5.0V, C

=2.2μF, C

OUT

=1.0μF, Typical T

=25°C, Bold typeface applies over -40°C≤T

≤85°C ranges, unless otherwise

specified)

Parameter Symbol Condition Min Typ Max Unit

Input Voltage Range V

2.7 5.5 V

Switch On Resistance R

DS(ON)

=5V, I

OUT

=2.0A 60 80

mΩ

Current Limit I

LIMIT

OUT

=4.0V 2.2 2.7 3.2 A

Supply Current I

SUPPLY

=5V, No Load 75 105

μA

Fold-back Short Current I

SHORT

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

Force 0V to 5V at EN Pin -1.0 1.0

μA

Under Voltage Lockou

Threshold Voltage

UVLO

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

0.1 1.0

μA

Output Pull Low Resistance

after Shutdown

DISCHARGE

AP2820A, AP2820C Only 100 200

Output Turn-on Time t

From Enable Active to 90% o

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

SINK

=5mA 35 70 mV

FLAG Pin Leakage Current I

LEAKAGE

FLAG Disable, Force 5.0V 1.0

μA

Thermal Shutdown

Temperature

OTSD

150 °C

Thermal Shutdown Hysteresis T

HYOTSD

30 °C

1 2 3 4 5 6 7 8 9 10 11 12 ... 17 18

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Diodes AP2820 Manuel d'utilisateur Page 7

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