ap2191d Diodes, Inc., ap2191d Datasheet - Page 2

• Manufacturer Part Number: ap2191d
• Description: 1.5a Single Channel Current-limited Power Switch With Output Discharge
• Manufacturer: Diodes, Inc.

Typical Application Circuit
Available Options
Pin Descriptions
AP2181D/2191D
Document number: DS32251 Rev. 1 - 2
Name
GND
OUT
FLG
Part Number
Pin
NC
EN
IN
AP2181D
AP2191D
MSOP-8-EP
Power Supply
2.7V to 5.5V
AP2191D Enable Active High
MSOP-8
SO-8
2, 3
6, 7
1
4
5
8
Channel
Pin Number
1
1
SOT25
10k
N/A
OFF
2
5
4
3
1
ON
10uF
DFN2018-6
Enable pin (EN)
N/A
5, 6
0.1uF
1
2
3
4
Active High
Active Low
1.5A SINGLE CHANNEL CURRENT-LIMITED POWER
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EN
IN
FLG
Ground
Voltage input pin (all IN pins must be tied together externally)
Enable input, active low (AP2181D) or active high (AP2191D)
Over-current and over-temperature fault report; open-drain
flag is active low when triggered
Voltage output pin (all OUT pins must be tied together
externally)
No internal connection; recommend tie to OUT pins
2 of 18
GND
OUT
SWITCH WITH OUTPUT DISCHARGE
Current limit
(typical)
2.1A
2.1A
AP2181D/AP2191D
0.1uF
Descriptions
120uF
Recommended maximum
continuous load current
Load
1.5A
1.5A
© Diodes Incorporated
June 2010