參數(shù)資料
型號: 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
文件頁數(shù): 9/19頁
文件大小: 274K
代理商: TPS2158IDGNRG4
TPS2148
TPS2158
SLVS373
AUGUST 2001
9
www.ti.com
TYPICAL CHARACTERISTICS
Figure 2
VO(OUT)
(2 V/div)
VI = 5 V
TA = 25
°
C
CL = 1
μ
F
RL = 25
SWITCH TURNON DELAY AND RISE TIME
WITH 1-
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(EN)
(5 V/div)
Figure 3
SWITCH TURNOFF DELAY AND FALL TIME
WITH 1-
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
VO(OUT)
(2 V/div)
VI = 5 V
TA = 25
°
C
CL = 1
μ
F
RL = 25
VI(EN)
(5 V/div)
Figure 4
SWITCH TURNON DELAY AND RISE TIME
WITH 120-
μ
F LOAD
t
Time
ms
0
2
4
6
8
10
12
14
16
18
20
VO(OUT)
(2 V/div)
VI = 5 V
TA = 25
°
C
CL = 120
μ
F
RL = 25
VI(EN)
(5 V/div)
Figure 5
SWITCH TURNOFF DELAY AND FALL TIME
WITH 120-
μ
F LOAD
t
Time
ms
0
4
8
12
16
20
24
28
32
36
40
VO(OUT)
(2 V/div)
VI = 5 V
TA = 25
°
C
CL = 120
μ
F
RL = 25
VI(EN)
(5 V/div)
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