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參數資料
| 型號： | 935269494115 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.3 A SWITCHING REGULATOR, 57.5 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | 1.50 MM, PLASTIC, MO-178, SOT-25, SOT-23, SOP-5 |
| 文件頁數： | 17/21頁 |
| 文件大小： | 333K |
| 代理商： | 935269494115 |
Philips Semiconductors
Product data
SA57254-XX
CMOS switching regulator (PWM controlled)
2001 Aug 01
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
(
A)
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
(
A)
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
(
A)
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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