NCP5603
TYPICAL CHARACTERISTICS
100
100
90
80
70
60
50
I OUT = 120 mA
90
80
70
60
50
I OUT = 120 mA
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
100
V in (V)
Figure 3. Operating Modes Transitions and
Output Power Efficiency @ V out = 4.5 V/262 kHz
I OUT = 160 mA
V bat (V)
Figure 4. Operating Modes Transitions and
Output Power Efficiency @ V out = 4.5 V/650 kHz
90
80
70
60
50
-40 ° C
25 ° C
85 ° C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V bat (V)
4.8
4.7
4.6
4.5
Figure 5. Operating Modes Transitions and
Output Power Efficiency @ V out = 5.0 V/650 kHz
I OUT = 200 mA
25 ° C
Figure 6. Typical Output Voltage Ripple
4.4
4.3
4.2
-40 ° C
85 ° C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
V bat (V)
Figure 7. Typical Output Voltage Line Regulation
Test conditions: V bat = 3.6 V, V out = 5 V, Load = 4*LW87S,
I LED = 25mA
Figure 8. Output Voltage Startup from Scratch
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