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TPS62221DDC Datasheet(PDF) 7 Page - Texas Instruments

Part # TPS62221DDC
Description  400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS62221DDC Datasheet(HTML) 7 Page - Texas Instruments

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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
µH,
CO = 22 µF
IL = 150 mA
IL = 300 mA
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
µH,
CO = 10 µF
VI = 2.7 V
VI = 5 V
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
VI − Input Voltage − V
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
TPS62220, TPS62221, TPS62222
TPS62223, TPS62224
TPS62228, TPS62229
SLVS491C – SEPTEMBER 2003 – REVISED SEPTEMBER 2004
EFFICIENCY
EFFICIENCY
vs
vs
LOAD CURRENT
INPUT VOLTAGE
Figure 3.
Figure 4.
NO LOAD QUIESCENT CURRENT
SWITCHING FREQUENCY
vs
vs
INPUT VOLTAGE
TEMPERATURE
Figure 5.
Figure 6.
7


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