SNOSB38B – JANUARY 2009 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
V
IN
= EN = 3.6V and T
A
= +25°C, unless otherwise noted.
0.63
Output Voltage vs Output Current
(V
OUT
=0.6V)
2.03
Output Voltage vs Output Current
(V
OUT
=2.0V)
0.62
OUTPUT VOLTAGE (V)
ECO to PWM
0.61
OUTPUT VOLTAGE (V)
2.02
ECO to PWM
2.01
0.60
PWM to ECO
0.59
2.00
PWM to ECO
1.99
0.58
0
25
50
75
100
125
150
1.98
0
25
50
75
100
125
150
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
Figure 7.
ECO-PWM Mode Threshold Current vs Output voltage
Figure 8.
PWM-ECO Mode Threshold Current vs Output voltage
Figure 9.
Closed-loop Current Limit vs Temperature
(V
OUT
= 2.0V)
Figure 10.
Efficiency vs Output Current
(V
OUT
=0.8V)
100
95
90
EFFICIENCY (%)
V
IN
= 4.2V
V
IN
= 3.6V
85 V
IN
= 3.0V
80
75
70
65
60
0
50
100
150
200
250
OUTPUT CURRENT(mA)
Figure 11.
Figure 12.
8
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