ap2191 Diodes, Inc., ap2191 Datasheet - Page 3

• Manufacturer Part Number: ap2191
• Description: 1.5a Single Channel Current-limited Power Switch
• Manufacturer: Diodes, Inc.

Functional Block Diagram
Typical Application Circuit
Available Options
AP2181/AP2191 Rev. 5
Part Number
AP2181
AP2191
EN
IN
AP2191 Enable Active High
Power Supply
2.7V to 5.5V
Channel
1
1
UVLO
10k
OFF
Enable pin (EN)
10uF
Active High
Active Low
ON
Thermal
Sense
Driver
1.5A SINGLE CHANNEL CURRENT-LIMITED POWER
0.1uF
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AP2181, AP2191
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EN
IN
FLG
Current
Current
Sense
Limit
GND
Current limit
(typical)
2.1A
2.1A
OUT
Deglitch
0.1uF
AP2181/AP2191
Recommended maximum
continuous load current
120uF
GND
1.5A
1.5A
Load
FEBRUARY 2009
©
Diodes Incorporated
SWITCH
OUT
FLG