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參數資料
| 型號： | 935269488115 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING CONTROLLER, 115 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： | 298K |
| 代理商： | 935269488115 |
Philips Semiconductors
Product data
SA57251-XX
CMOS switching regulator (PWM controlled)
2001 Aug 01
5
TYPICAL PERFORMANCE CURVES
SL01489
Tamb, TEMPERATURE °C)
0
5
10
15
20
25
–40
–20
0
20
40
60
80
100
ISS1
(A)
VOUT = OUTPUT VOLTAGE × 0.95
Figure 3. Supply current 1 versus temperature.
SL01490
Tamb, TEMPERATURE °C)
0
1
2
3
4
5
–40
–20
0
20
40
60
80
100
ISS2
(A)
VOUT = OUTPUT VOLTAGE = 0.5 V
Figure 4. Supply current 2 versus temperature.
SL01491
Tamb, TEMPERATURE °C)
–40
–20
0
20
40
60
80
100
fOSC
(kHz)
60
70
80
90
100
110
120
130
140
VOUT = OUTPUT VOLTAGE × 0.95
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.
SL01492
Tamb, TEMPERATURE °C)
–40
–20
0
20
40
60
80
100
IDRIVEH
(mA)
–16
–14
–12
–10
–8
–6
–4
–2
0
VDRIVE = VOUT – 0.4 V
Figure 7. DRIVE pin output current HIGH versus temperature.
(does not apply to SA57251-20)
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