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SA57254-30GW Datasheet(PDF) 5 Page - NXP Semiconductors

Part # SA57254-30GW
Description  CMOS switching regulator (PWM controlled)
Download  18 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SA57254-30GW Datasheet(HTML) 5 Page - NXP Semiconductors

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Philips Semiconductors
Product data
SA57254-XX
CMOS switching regulator (PWM controlled)
2003 Nov 11
5
TYPICAL PERFORMANCE CURVES
SL01456
Tamb 〈°C)
50
40
30
20
10
0
–40
–20
0
20
40
60
80
100
VOUT = OUTPUT VOLTAGE × 0.95
ISS1
(
µA)
Figure 3. Supply current 1 versus temperature.
SL01457
Tamb 〈°C)
5
4
3
2
1
0
–40
–20
0
20
40
60
80
100
VOUT = OUTPUT VOLTAGE + 0.5 V
ISS2
(
µA)
Figure 4. Supply current 2 versus temperature.
SL01458
Tamb 〈°C)
55
50
45
40
35
30
–40
–20
0
20
40
60
80
100
VOUT = OUTPUT VOLTAGE × 0.95
70
65
60
fOSC
(kHz)
Figure 5. Oscillator frequency versus temperature.
SL01459
VOUT (V)
50
40
30
20
10
0
02
4
6
8
10
Tamb = 25 °C
ISS1, 2
(
µA)
Figure 6. Supply current 1, 2 versus VOUT.
SL01462
VOUT (V)
250
200
150
100
50
0
01
2
3
4
5
Tamb = 25 °C
VCONT = 0.4 V
ISW
(mA)
Figure 7. Typical switch current versus VOUT.
SL01471
VOUT (V)
50
40
30
01
2
3
4
5
70
60
Tamb = 25 °C
fOSC (kHz)
Figure 8. Oscillator frequency versus VOUT.


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