參數(shù)資料
型號(hào): TPS2341PHPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48
封裝: POWERPAD, HTQFP-48
文件頁(yè)數(shù): 2/31頁(yè)
文件大?。?/td> 649K
代理商: TPS2341PHPR
TPS2341
SLUS513A MAY 2003 REVISED JULY 2004
10
www.ti.com
TYPICAL CHARACTERISTICS
Refer to the typical application diagram (Figure 13) for circuit component values for Figures 1 through 9.
Figure 1.
10
15
5
0
10
15
MAIN SWITCH RAMPUP VOLTAGE
vs
TIME
T Time 10 ms / div
V
LOAD
Output
V
oltage
V
+12 V
+5 V
+3.3 V
12 V
0
0.5
1.0
2.0
1.5
3.0
3.5
0.5
2.5
Figure 2.
3.3-V MAIN SWITCH UNDERVOLTAGE
FAULT RESPONSE
vs
TIME
T Time 1 ms / div
V
3VOUT
Output
V
oltage
V
3VIN
3VOUT
PGOOD_OUTA
0
5
15
10
20
25
0
0.05
0.15
0.10
0.20
0.25
Figure 3.
12-V OUTPUT AND INRUSH CURRENT
vs
TIME
T Time 10 ms / div
V
12VOUT
Output
V
o
ltage
V
I 12LOAD
Inrush
Current
A
+12 V Gate
PGOOD_OUTA
+12 V Output
+12 V Inrush Current
CLOAD = 300 F
1
3
0
2
1
5
6
2
6
0
6
4
8
12
2
4
3
Figure 4.
T Time 10
s / div
V
5VOUT
Output
V
otlage
V
I 5VOUT
Load
Currentt
A
+5 V Output
5V Load
Current
PGOOD_OUTA
5-V OUTPUT OVERLOAD RESPONSE
vs
TIME
+5 V Output
10
2
4
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