Datasheet

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15
10
9
8
OSC
3
4
X3
+
5
6
E/A
7COMP
INV
NI
C/S+
C/S−
Sync
VREF
13
11 A Out
14
12
B Out
GND
Q
Q
T
S
S
R
Q
1
16
6k
0.5 mA
350 mV
0.5 V
F/F
Current-
Limit Adjust
Shutdown
COMP
UDG−02057
5.1-V
Reference
Regulator
UVLO
Lockout
Output
Stage
V
C
V
IN
R
T
C
T
2
UC1846-EP
CURRENT-MODE PWM CONTROLLER
SGLS329 – MAY 2006
ORDERING INFORMATION
T
A
PACKAGE ORDERABLE PART NUMBER TOP-SIDE MARKING
–55 ° C to 125 ° C SOIC – DW UC1846MDWREP UC1846MEP
BLOCK DIAGRAM
2
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