TPS62000-Q1 Datasheet, PDF (11/23 Pages) Texas Instruments – HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER

TPS62000ĆQ1, TPS62001ĆQ1, TPS62002ĆQ1, TPS62003ĆQ1
TPS62004ĆQ1, TPS62005ĆQ1, TPS62006ĆQ1, TPS62007ĆQ1, TPS62008ĆQ1
HIGHĆEFFICIENCY STEPĆDOWN LOW POWER DCĆDC CONVERTER
SGLS243A − APRIL 2004 − REVISED JUNE 2008
TYPICAL CHARACTERISTICS
EFFICIENCY
vs
LOAD CURRENT
100
VO = 1.8 V
90
DROPOUT VOLTAGE
vs
LOAD CURRENT
300
250
80
VI = 3.6 V
70
VI = 5 V
60
200
150
VO = 2.5 V
100
VO = 3.3 V
50
40
0.1
1
10
100
IO − Load Current − mA
Figure 5
1000
OPERATING QUIESCENT CURRENT
vs
INPUT VOLTAGE (POWER SAVE MODE)
60
Power-Save Mode,
SYNC = Low
55
TA = 80°C
50
TA = 20°C
45
40
TA =−40°C
50
0
0
100 200 300 400 500 600
IO − Load Current − mA
Figure 6
4000
3500
OPERATING QUIESCENT CURRENT
vs
INPUT VOLTAGE (FORCED PWM)
Forced PWM,
SYNC = High
TA = 80°C
3000
TA = 20°C
2500
2000
TA =−40°C
35
1500
30
2
2.5 3
3.5 4
4.5 5
5.5
VI − Input Voltage (Power Save Mode) − V
Figure 7
1000
2 2.5 3 3.5 4 4.5 5 5.5
VI − Input Voltage (Forced PWM) − V
Figure 8
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