參數(shù)資料
型號: LR1117
廠商: 樂山無線電股份有限公司
元件分類: 基準電壓源/電流源
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 5.0放大器正電壓穩(wěn)壓器
文件頁數(shù): 6/10頁
文件大?。?/td> 121K
代理商: LR1117
LR
1117/A-ADJUSTABLE ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125
q
C, Co=10
P
F unless otherwise specified)
PARAMETER
SYMBOL
Reference Voltage
Vref
Vin-VO=2V, Io=10mA, Tj=25
q
C
Reference Voltage
Vref
Io=10 to 800/1000mA, Vin-Vo=1.4 to
10V
Line Regulation
'
Vo
Vin-Vo=1.5 to 13.75V, Io=10mA
Load Regulation
'
Vo
Vin-Vo=3V, Io=10 to 800/1000mA
Temperature stability
'
Vo
Long Term Stability
'
Vo
1000 hrs, Tj=125
q
C
Operating Input Voltage
Vin
Adjustment Pin Current
Iadj
Vin
d
15V
Adjustment Pin Current
Change
Io=10 to 800/1000mA
Minimum Load Current
Io(min)
Vin=15V
Output Current
Io
Vin-Vo=5V, Tj=25
q
C
Output Noise (%Vo)
eN
B=10Hz to 10KHz, Tj=25
q
C
Supply Voltage
Rejection
Vin-Vo=3V, Vripple=1Vpp
Dropout Voltage
Vd
Io=100mA
Io=500mA
Io=800mA
Io=1000mA
Thermal Regulation
Ta=25
q
C, 30ms Pulse
TEST CONDITIONS
MIN.
1.238
1.225
TYP.
1.25
MAX.
1.262
1.275
UNIT
V
V
0.035
0.10
0.50
0.3
60
1
0.200
0.400
%
%
%
%
V
P
A
P
A
15
120
5
'
Iadj
Vin-Vo=1.4 to 10V,
2
5
mA
mA
%
dB
800
60
950
0.003
75
1200
SVR
Io=40mA, f=120Hz, Tj=25
q
C,
1.00
1.05
1.10
1.15
0.01
1.10
1.15
1.20
1.25
0.10
V
V
V
V
%/W
10
F
1
2
Output
10
F
3
Input
LR
1117
+
+
Fig 1. Fixed
Output Regulator
10
F
1
2Output
10
F
3
Input
LR
1117
+
+
Fig 2. Adjustable
Output Regulator
22
F
1
2
10
F
3
LR
1117
+
+
110
110
110
110
4.75 V
to
5.25 V
+
18 to 27
Lines
TYPICAL APPLICATIONS
Fig 3. Active SCSI Bus Terminator
LRC
LESHAN RADIO COMPANY,LTD.
6/10
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