iris-a6151 International Rectifier Corp., iris-a6151 Datasheet - Page 6

• Manufacturer Part Number: iris-a6151
• Description: Integrated Switcher
• Manufacturer: International Rectifier Corp.

FB/OLP
S/OCP
GND
V
IRIS-A6151
CC
Pin Assignment
1
2
3
4
Block Diagram
(Top View)
S S S S t t t t a a a a r r r r t t t t u u u u p p p p
Other Functions
O.V.P. – Overvoltage Protection Circuit
T.S.D. – Thermal Shutdown Circuit
Lead Assignments
8
7
6
5
5 5 5 5
Drain
Drain
N.C.
Startup
O O O O F F F F F F F F T T T T i i i i m m m m e e e e r r r r
Pin No.
1
2
3
4
5
6
7
8
＋
－
＋
－
U U U U V V V V L L L L O O O O
P P P P W W W W M M M M L L L L a a a a t t t t c c c c h h h h
FB/OLP
Symbol
S/OCP
Startup
Drain
Drain
GND
I I I I n n n n t t t t e e e e r r r r n n n n a a a a l l l l
S Q
R
N.C.
V
B B B B i i i i a a a a s s s s
CC
F F F F B B B B
－
＋
B B B B u u u u r r r r s s s s t t t t
B B B B i i i i a a a a s s s s
－
＋
＋
－
Feedback/OLP pin
Power supply Pin
Source Pin/OCP
Description
Ground Pin
Startup pin
Drain Pin
Drain Pin
-
L L L L a a a a t t t t c c c c h h h h
F F F F B B B B / / / / O O O O L L L L P P P P
4 4 4 4
D D D D e e e e l l l l a a a a y y y y
D D D D i i i i s s s s c c c c h h h h a a a a r r r r g g g g e e e e
＋
－
Input of constant voltage control signal/over
O O O O L L L L P P P P
MOSFET source /Overcurrent Protection
Input of power supply for control circuit
O O O O V V V V P P P P
B B B B l l l l a a a a n n n n k k k k i i i i n n n n g g g g
B B B B u u u u f f f f f f f f e e e e r r r r
T T T T S S S S D D D D
＋
－
Input of Startup current
load protection signal
V V V V c c c c c c c c
2 2 2 2
O O O O C C C C P P P P
Not Connected
MOSFET drain
MOSFET drain
D D D D r r r r i i i i v v v v e e e e
＋
－
Function
Power
MOS FET
Ground
www.irf.com
8 8 8 8 D D D D
7 7 7 7
1 1 1 1
3 3 3 3
S S S S o o o o u u u u r r r r c c c c e e e e / / / / O O O O C C C C P P P P
D D D D
G G G G N N N N D D D D
6