參數(shù)資料
型號(hào): UTCLM7908
廠商: 友順科技股份有限公司
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR
中文描述: 3端子1A條負(fù)電壓穩(wěn)壓器
文件頁(yè)數(shù): 5/6頁(yè)
文件大?。?/td> 70K
代理商: UTCLM7908
UTC LM79XX
UTC7924 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125
°
C
,Io=500mA,Vi=-33V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Tj=25
°
C
Output voltage
Vo
5.0mA<Io<1.0A,Po<15W
Vi=-27V to -38V
Line regulation
Vo
Tj=25
°
C,Vi=-27V to -38V
Tj=25
°
C,Vi=-30V to -36V
Load regulation
Vo
Tj=25
°
C,Io=5.0mA to 1.5A
Tj=25
°
C,Io=250mA to 750mA
Quiescent current
I
Q
Tj=25
°
C
Quiescent current change
I
Q
Io=5mA to 1.0A
Vi=-27V to -38V
Output voltage drift
Vo/
T
Io=5mA
Output noise voltage
V
N
f=10hz to 100kHz,Ta=25
°
C
Ripple rejection
RR
f=120Hz, Vi=-28V to -38V
Dropout voltage
Vo
Io=1.0A,Tj=25
°
C
Short circuit current
Isc
Vi=-35V,Ta=25
°
C
peak current
Ipk
Tj=25
°
C
APPLICATION CIRCUITS
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R101-007,B
MIN
-23.04
-22.80
54
TYP
-24
15
8
15
5.0
3
-1
400
60
2
300
2.2
MAX
-24.96
-25.20
480
240
480
240
6
0.5
1.0
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
mV/
°
C
μ
V
dB
V
mA
A
-Vi
-Vo
C1
2.2
μ
F
C0
1
μ
F
UTC LM79XX
1
2
3
Fig.1 Fixed output regulator
UTC LM7915
1
2
3
UTC LM7815
1
2
3
2.2
μ
F
1
μ
F
0.1
μ
F
0.33
μ
F
+20V
+15V
-15V
-20V
1N4001
1N4001
Fig.2 Split power supply(+-15V,1A)
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