參數(shù)資料
型號: TPS62229DDCRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 0.4 A SWITCHING REGULATOR, 1850 kHz SWITCHING FREQ-MAX, PDSO5
封裝: GREEN, PLASTIC, TSOT-23, 5 PIN
文件頁數(shù): 22/24頁
文件大?。?/td> 640K
代理商: TPS62229DDCRG4
70
75
80
85
90
95
100
2.5
3
3.5
4
4.5
5
5.5
6
VO = 1.8 V,
L = 4.7
H,
CO = 22 F
IL = 150 mA
IL = 300 mA
Efficiency
%
VI Input Voltage V
IL = 1 mA
40
45
50
55
60
65
70
75
80
85
90
95
100
0.01
0.1
1
10
100
1000
VO = 1.5 V,
L = 4.7
H,
CO = 10 F
VI = 2.7 V
VI = 5 V
Efficency
-
%
IL - Load Current - mA
VI = 3.7 V
0
5
10
15
20
25
2.5
3
3.5
4
4.5
5
5.5
6
TA = 85°C
TA = 25°C
TA = 40°C
N0
Load
Quiescent
Current
VI Input Voltage V
A
1130
1140
1150
1160
1170
1180
1190
40 30 20 10 0
10 20 30 40 50 60 70 80
TA Temperature °C
VI = 3.6 V
VI = 6 V
VI = 2.5 V
f
Switching
Frequency
kHz
www.ti.com....................................................................................................................................... SLVS491E – SEPTEMBER 2003 – REVISED FEBRUARY 2009
EFFICIENCY
vs
LOAD CURRENT
INPUT VOLTAGE
Figure 3.
Figure 4.
NO LOAD QUIESCENT CURRENT
SWITCHING FREQUENCY
vs
INPUT VOLTAGE
TEMPERATURE
Figure 5.
Figure 6.
Copyright 2003–2009, Texas Instruments Incorporated
7
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