Diodes AP2156 - Manual (Page 2)

AP2146/AP2156
Document number: DS31813 Rev. 3 - 2
2 of 17
www.diodes.com
March 2013
© Diodes Incorporated
AP2146/AP2156
Available Options
Part Number Channel
Enable Pin
(EN)
Current Limit
(typ)
Recommended Maximum
Continuous Load Current
AP2146 2 Active Low 0.8A 0.5A
AP2156 2 Active High 0.8A 0.5A
Pin Descriptions
Pin Name
Pin Number
Function
SO-8 MSOP-8EP
EN1 1 1 Switch 1 enable input, active low (AP2146) or active high (AP2156)
FLG1 2 2 Switch 1 over-current and over-temperature fault report, open-drain
FLG2 3 3 Switch 2 over-current and over-temperature fault report, open-drain
EN2 4 4 Switch 2 enable input, active low (AP2146) or active high (AP2156)
OUT2 5 5 Switch 2 voltage output pin
GND 6 6 Ground
IN 7 7 Voltage input pin
OUT1 8 8 Switch 1 voltage output pin
Exposed Pad - Exposed Pad
Exposed Pad:
It should be connected externally to GND and thermal mass for enhanced thermal impedance.
It should not be used as electrical ground conduction path.
Functional Block Diagram
R e v e rs e
b lo c k in g
T h e r m a l
S e n s e
D riv e r
F L G 2
O U T 2
G N D
IN
E N 2
U V L O
C u rr e n t
L im it
C S
D e g litc h
R e v e r s e
b lo c k in g
T h e rm a l
S e n s e
D riv e r
U V L O
C u rre n t
L im it
C S
D e g litc h
O U T 1
F L G 1
E N 1
G N D