參數資料
型號: TPS6223-1.5DRYT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.22 A SWITCHING REGULATOR, 3800 kHz SWITCHING FREQ-MAX, PDSO6
封裝: 1 X 1.50 MM, 0.60 MM HEIGHT, PLASTIC, MO-287UFAD, SON-6
文件頁數: 5/28頁
文件大?。?/td> 1276K
代理商: TPS6223-1.5DRYT
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
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
V
=2.5V
20mV/Div
OUT
SW
2V/div
I
200mA/Div
L
V
=3.6V
IN
C
=4.7
F
OUT
m
L =1
H
m
t-Time-1 ms/div
MODE=GND
I
=10mA
OUT
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
www.ti.com....................................................................................................................................................... SLVS941A – APRIL 2009 – REVISED AUGUST 2009
Figure 23. PMOS RDSON vs Supply Voltage VIN and Ambient
Figure 24. NMOS RDSON vs Supply Voltage VIN and Ambient
Temperature TA
Figure 25. TPS62231 1.8V PSRR
Figure 26. PFM Mode Operation IOUT = 10mA
Copyright 2009, Texas Instruments Incorporated
13
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