參數(shù)資料
型號: SPX2950CN-3.3
元件分類: 基準電壓源/電流源
英文描述: 150mA Low Dropout Voltage Regulators
中文描述: 150mA的低壓差穩(wěn)壓器
文件頁數(shù): 12/13頁
文件大小: 135K
代理商: SPX2950CN-3.3
12
Rev. 3/6/03
SPX2950/SPX2951 150mA Low Dropout Voltage Regulator
Copyright 2003 Sipex Corporation
360K
0.1
μ
F
V
OUT
MIN VOLTAGE = 4V
+V
IN
8
1
FB
7
1N4001
20mA
1N457
4.7mA
+5V
OUTPUT
2
GND
4
4
SPX2951
TYPICAL APPLICATIONS: (Continued)
330k
IN
V
OUT
FB
6
8
1
4.7
μ
F
+
7
27k
SPX2951
V
TAP
GND
SENSE
4
2
UNREGULATED INPUT
2N5432
(2)
5V
OUTPUT
LOAD
TO
Figure 8. Open Circuit Detector for 4mA to 20mA
Current Loop
Figure 9. 300mA Regulator with 0.75V
Figure 10. Schematic Diagram
OUT
SENSE
VTAP
FEEDBACK
IN
ERROR
GND
SHDN
DENOTES CONNECTION ON
R18
3
24
Q25
Q26
Q24
3
R27
R28
12k
R17
Q14
Q22
Q23
Q21
Q19
Q29
Q28
6
Q30
Q31
Q18
Q20
Q16
Q17
1
1
2
2
Q9
Q8
Q7
Q5
Q4
Q2
Q1
Q3
Q6
Q41
Q42
Q40
Q13
Q12
Q11
Q37
Q38
Q36
Q35
Q34
5
Q39
Q15A
Q15B
R13
R16
R17
10
3
R21
8
R23
60k
R24
R22
R25
R13
k
R12
110k
R14
C2
40pF
R10
k
R8
31.4k
R9
27.8k
R6
140k
R5
180k
R11
20.6k
C1
20pF
R11
18k
R1
20k
R2
50k
R3
50k
R4
13k
R30
30k
4
10
3
R26
2
4
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