參數(shù)資料
型號: SA57254-33GW
廠商: NXP SEMICONDUCTORS
元件分類: 穩(wěn)壓器
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 0.3 A SWITCHING REGULATOR, 57.5 kHz SWITCHING FREQ-MAX, PDSO5
封裝: 1.50 MM, PLASTIC, SOT-25, SOT-23-5, SO-5
文件頁數(shù): 5/18頁
文件大?。?/td> 267K
代理商: SA57254-33GW
Philips Semiconductors
Product data
SA57254-XX
CMOS switching regulator (PWM controlled)
2003 Nov 11
5
TYPICAL PERFORMANCE CURVES
SL01456
T
amb
°
C)
50
40
30
20
10
0
–40
–20
0
20
40
60
80
100
V
OUT
= OUTPUT VOLTAGE
×
0.95
I
SS1
(
μ
A)
Figure 3. Supply current 1 versus temperature.
SL01457
T
amb
°
C)
5
4
3
2
1
0
–40
–20
0
20
40
60
80
100
V
OUT
= OUTPUT VOLTAGE + 0.5 V
I
SS2
(
μ
A)
Figure 4. Supply current 2 versus temperature.
SL01458
T
amb
°
C)
55
50
45
40
35
30
–40
–20
0
20
40
60
80
100
V
OUT
= OUTPUT VOLTAGE
×
0.95
70
65
60
f
(kHz)
Figure 5. Oscillator frequency versus temperature.
SL01459
V
OUT
(V)
50
40
30
20
10
0
0
2
4
6
8
10
T
amb
= 25
°
C
I
SS1, 2
Figure 6. Supply current 1, 2 versus V
OUT
.
SL01462
V
OUT
(V)
250
200
150
100
50
0
0
1
2
3
4
5
T
amb
= 25
°
C
V
CONT
= 0.4 V
I
(mA)
Figure 7. Typical switch current versus V
OUT
.
SL01471
V
OUT
(V)
50
40
30
0
1
2
3
4
5
70
60
T
amb
= 25
°
C
f
OSC
(kHz)
Figure 8. Oscillator frequency versus V
OUT
.
相關PDF資料
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