参数资料
型号: TPS62238DRY
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
封装: 1 X 1.50 MM, 0.60 MM HEIGHT, PLASTIC, MO-287UFAD, SON-6
文件页数: 10/32页
文件大小: 1073K
代理商: TPS62238DRY
SW
2V/div
V
=0Vto2.5V
1V/div
OUT
I
50mA/div
IN
V
=3.6V
C
=4.7
F
L =1
H
MODE=GND
Load=20R
IN
OUT
m
t-Time-20 ms/div
EN
2V/div
V
=1.8V
50mV/div
OUT
I
=5mA to150mA
100mA/div
OUT
I
200mA/div
L
V
=3.6V
C
=4.7
F
L =2.2
H
MODE=V
IN
OUT
IN
m
t-Time-10 ms/div
V
=1.8V
1V/div
OUT
I
200mA/div
L
V
=3.6V
C
=4.7 F
L =2.2 H
MODE=GND
I
=0mA
IN
OUT
m
SW5V/div
EN2V/div
V
PreBias=1V
OUT
TimeBase-20 s/div
m
f-Frequency
Noise
Stop
40MHz
400m
4MHz
10n
300m
200m
100m
700m
500m
1m
800m
900m
600m
Start
0Hz
TPS62231
MODE=GND,
V
=1.8V,
R
L =2.2 H,
(MIPSZ20122R2,Size2012)
C
=4.7 F(Size0402)
OUT
LOAD
OUT
=12R
m
RefLvl=1mV
RBW30kHz
VBW30kHz
SWT115ms
V
=2.7V(green)
IN
V
=3.6V(blue)
IN
V
=3V(red)
IN
V
=4.2V(yellow)
IN
TPS62231, TPS62230, TPS62232, TPS62233, TPS62234, TPS62235
TPS62236, TPS62237, TPS62238, TPS62239, TPS622310, TPS622311
TPS622312, TPS622313, TPS622314, TPS622315, TPS622316, TPS622317
SLVS941D – APRIL 2009 – REVISED AUGUST 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 45. Load Transient Response 5mA to 150mA,
Figure 46. Start Up into 20
Load, VOUT 2.5V
Forced PWM Mode, VOUT 1.8V
Figure 47. Startup in 1V Pre-biased Output
Figure 48. Spurious Output Noise, 12R Load, TPS62231
18
Copyright 2009–2010, Texas Instruments Incorporated
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TPS622315DRYT 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
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