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參數資料
| 型號： | 935269491115 |
| 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： | 19/21頁 |
| 文件大小： | 333K |
| 代理商： | 935269491115 |
Philips Semiconductors
Product data
SA57254-XX
CMOS switching regulator (PWM controlled)
2001 Aug 01
7
IOUT
LOAD CURRENT
(20 mA/div)
VOUT
OUTPUT VOLTAGE
(50 mV/div)
t (5 ms/div)
SL01478
IOUT: 50 mA → 100 A; VIN = 1.8 V
Figure 14. Output load regulation, decreasing current.
VIN
INPUT VOLTAGE
(500 mV/div)
VOUT
OUTPUT VOLTAGE
(50 mV/div)
t (100
s/div)
SL01479
VIN: 1.8 V → 2.4 V; IOUT = 50 mA
Figure 15. Input line regulation, increasing voltage.
VIN
INPUT VOLTAGE
(500 mV/div)
VOUT
OUTPUT VOLTAGE
(50 mV/div)
t (200
s/div)
SL01480
VIN: 2.4 V → 1.8 V; IOUT = 50 mA
Figure 16. Input line regulation, decreasing voltage.
SL01481
IOUT, OUTPUT CURRENT (mA)
0
1
23
4
5
67
8
9
10
V
IN
,INPUT
VOL
T
AGE
(V)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
VST1
VDO
Figure 17. Output current versus starting voltage.
SL01482
IOUT, OUTPUT CURRENT (mA)
0
1
23
4
5
67
8
9
10
V
IN
,INPUT
VOL
T
AGE
(V)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
VST1
VDO
Figure 18. Input voltage versus output current.
SL01483
VIN, INPUT VOLTAGE (V)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
I
IN
,
INPUT
CURRENT
(
A)
0
50
100
150
200
250
300
350
400
450
500
VOUT = 2 V
VOUT = 3 V
VOUT = 5 V
Figure 19. Input voltage versus supply current.
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