Datasheet

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THERMAL CHARACTERISTICS
CONNECTION DIAGRAMS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INV Input
NI Input
SYNC
OSC Output
C
T
R
T
Discharge
Soft Start
V
REF
+V
IN
Output B
V
C
Ground
Output A
Shutdown
Compensation
J or N PACKAGE
(TOP VIEW)
3 2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
Output B
V
C
NC
Ground
Output A
SYNC
OSC Output
NC
C
T
R
T
Q AND L PACKAGES
(TOP VIEW)
NI Input
INV Input
NC
Compensation
Shutdown
V
+V
Discharge
Soft Start
NC
IN
REF
NC − No internal connection
UC1525A, UC1527A
UC2525A, UC2527A
UC3525A, UC3527A
SLUS191C – FEBRUARY 1997 – REVISED JANUARY 2008
over operating free-air temperature range (unless otherwise noted)
PACKAGE θ
JA
θ
JC
J-16 80-120 28
N-16 90 45
DW-16 45-90 25
PLCC-20 43-75 34
LCC-20 70-80 20
PLCC-20, LCC-20
DIL-16
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Product Folder Link(s): UC1525A, UC1527A UC2525A, UC2527A UC3525A, UC3527A