參數(shù)資料
型號: UCC3928
廠商: Texas Instruments, Inc.
元件分類: 基準電壓源/電流源
英文描述: HIGH-VOLTAGE HOT-SWAP POWER MANAGER
中文描述: 高壓熱插拔電源管理器
文件頁數(shù): 2/10頁
文件大?。?/td> 153K
代理商: UCC3928
SLUS471 – NOVEMBER 2000
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
UDG–00151
+
+
R
S
Q
Q
R
+
+
8
9
13
6
4
20
1
99 R
+
+
3
2
19
+
+
+
+
+
3 V
2 V
1 V
0 V
12
11
14
15
16
17
18
10
5
ON
INSA
UVLO
REF
OVLO
–VIN
IRAMP
FLTTIME
SEQTIME
FAULT
ISENS
GATE
PG1
PG2
PG3
PG4
PG5
DRAINSENS
GND
INSB
+
5 V
1.25 V
1.4 V
4V
1.5 V
TIMER
LOAD
7
4 V
20-pin package shown. Pin numbers are for counting purposes only, Actual pin locations are dependent upon customer requirements and
precedence of other products.
DETAILED OPTION MATRIX
UCC3923
PIN NAME
UVLO
OVLO
PGx
REF
INSA, INSB
DRAINSENS
SEQTIME
DESCRIPTION
Undervoltage input
Overvoltage input
PG output(s)
Reference output
Insert detect
Power good detection input
Programming for downstream load sequencing
8–Pin TSSOP
14–Pin TSSOP
20–Pin TSSOP
UCC3924
X
UCC3925
X
X
5
X
X
X
X
UCC3926
UCC3927
X
UCC3928
X
X
5
X
X
X
X
1
X
X
X
1
X
X
X
X
X
Pac ages
X
X
X
X
P
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