參數(shù)資料
型號(hào): UCC1806PW
廠商: Texas Instruments, Inc.
英文描述: LOW-POWER, DUAL-OUTPUT, CURRENT-MODE PWM CONTROLLER
中文描述: 低功耗,雙輸出,電流模式PWM控制器
文件頁(yè)數(shù): 8/21頁(yè)
文件大?。?/td> 726K
代理商: UCC1806PW
SLUS272C FEBRUARY 2000 REVISED JUNE 2003
8
www.ti.com
FUNCTIONAL BLOCK DIAGRAM
UDG99035
10
7
3
8
SYNC
9
RT
+
4.4V
+
1.5 V
OSC
LO
CT
+
3X
4
+
5
+
EA
6
1
S1
S2
QB
R
13
VC
11
AOUT
14
BOUT
12
GND
T
Q
QB
Shutdown
Lockout
S1
Q
R
S2
+
+
16
1.0 V
0.35 V
Q
R
S
Current Limit
Restart
UVLO
15
+
+
15 V
5.1 V
Reference
Regulator
+
Reference Low
4.25 V
2
CURLIM
SHUT
DOWN
VREF
0.5 V
+
Comparator
7.0 V
7.5 V
CS
CS+
NI
INV
COMP
VIN
S
Q
R
200k
200
μ
A
120
μ
A
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