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: 6/32页
文件大小: 1073K
代理商: TPS62238DRY
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
2
2.5
3
3.5
4
4.5
5
5.5
6
T
=85°C
A
T
=60°C
A
T
=25°C
A
T
=-40°C
A
I
-ShutdownCurrent-
A
SD
m
V
-InputVoltage-V
IN
PMOS
2
2.5
3
3.5
4
4.5
5
5.5
6
V
-InputVoltage-V
IN
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
r
-StaticDrain-SourceOn-StateResistance-
D
S(O
N
)
W
T
=85°C
A
T
=60°C
A
T
=25°C
A
T
=-40°C
A
0
10
20
30
40
50
60
70
80
90
100
10
100
1k
10k
100k
1M
PSRR-PowerSupplyRejectionRatio-dB
f-Frequency-kHz
I
=50mA,
MODE=0,
forcedPWM
OUT
I
=50mA,
MODE=1,
PFM/PWM
OUT
I
=150mA,
PWMMode
OUT
V
=3.6V,
V
=1.8V,
C
=2.2 F,
C
=4.7 F,
IN
OUT
IN
OUT
m
L =2.2 H
m
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
2
2.5
3
3.5
4
4.5
5
5.5
6
V
-InputVoltage-V
IN
r
-StaticDrain-SourceOn-StateResistance-
D
S(O
N
)
W
T
=85°C
A
T
=60°C
A
T
=25°C
A
T
=-40°C
A
NMOS
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 29. Shutdown Current ISD vs Ambient Temperature
Figure 30. PMOS RDSON vs Supply Voltage VIN and
TA
Ambient Temperature TA
Figure 31. NMOS RDSON vs Supply Voltage VIN and
Figure 32. TPS62231 1.8V PSRR
Ambient Temperature TA
14
Copyright 2009–2010, Texas Instruments Incorporated
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