參數(shù)資料
型號(hào): TPS2158IDGNRG4
廠商: Texas Instruments, Inc.
英文描述: 3.3-V LDO AND DUAL SWITCH FOR USB PERIPHERAL POWER MANAGEMENT
中文描述: 3.3V的穩(wěn)壓器和雙開關(guān)的USB外圍電源管理
文件頁(yè)數(shù): 10/19頁(yè)
文件大?。?/td> 274K
代理商: TPS2158IDGNRG4
TPS2148
TPS2158
SLVS373
AUGUST 2001
10
www.ti.com
TYPICAL CHARACTERISTICS
Figure 6
SHORT-CIRCUIT CURRENT, SWITCH
ENABLED INTO A SHORT
t
Time
ms
0
1
2
3
4
5
6
7
8
9
10
IO(OUT)
(100 mA/div)
VI(EN)
(5 V/div)
Figure 7
V
I(LDO_EN)
(5 V/div)
V
O(LDO_OUT)
(1 V/div
LDO TURNON DELAY AND RISE TIME
WITH 4.7-
μ
F LOAD
0
0.4
0.8
1.2
1.6
t
Time
ms
2
2.4
2.8
3.2
3.6 4.2
VI = 5 V
TA = 25
°
C
CL = 4.7
μ
F
RL = 13.2
Figure 8
LINE TRANSIENT RESPONSE
t
Time
μ
s
0
100 200 300 400 500 600
700 800 900 1000
VO(LDO_OUT)
(0.05 V/div)
TA = 25
°
C
CL(LDO_OUT) = 4.7
μ
F
ESR = 1
IO(LDO_OUT) = 200 mA
5.25 V
VI(VIN)
4.25 V
Figure 9
LOAD TRANSIENT RESPONSE
t
Time
μ
s
0
100 200 300 400 500 600
700 800 9001000
V
O(LDO_OUT)
(100 mV/div)
TA = 25
°
C
CL(LDO_OUT) = 4.7
μ
F
ESR = 1
I
O(LDO_OUT)
(200 mA/div)
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