SA57254-30GW Datasheet, PDF (8/18 Pages) NXP Semiconductors – CMOS switching regulator (PWM controlled)

Philips Semiconductors
CMOS switching regulator (PWM controlled)
Product data
SA57254-XX
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
0.01
V_IN = 0.9 V
V_IN = 1.8 V
V_IN = 3.0 V
V_IN = 4.0 V
0.1
1
10
100
I_OUT, OUTPUT CURRENT (mA)
1000
SL01484
Figure 20. Output current versus voltage (100 µH inductor).
100
90
V_IN = 0.9 V
80
V_IN = 1.8 V
V_IN = 2.4 V
70
60
50
40
30
20
10
0
0.01
0.1
1
10
100
I_OUT, OUTPUT CURRENT (mA)
1000
SL01486
Figure 22. Output current versus ripple voltage
(L₀ = 100 µH; C_OUT = 33 µF).
100
95
90
85
80
75
70
65
60
55
50
0.01
V_IN = 0.9 V
V_IN = 1.8 V
V_IN = 3.0 V
V_IN = 4.0 V
0.1
1
10
100
I_OUT, OUTPUT CURRENT (mA)
1000
SL01485
Figure 21. Output current versus efficiency (100 µH inductor).
2003 Nov 11
8