參數(shù)資料
型號(hào): LHC7913-4
廠商: 意法半導(dǎo)體
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: 3 AMP NEGATIVE LOW DROP VOLTAGE REGULATOR
中文描述: 3安培負(fù)低壓降穩(wěn)壓器
文件頁(yè)數(shù): 3/3頁(yè)
文件大小: 274K
代理商: LHC7913-4
LHC7913 - 4
ELECTRICAL CHARACTERISTICS:
Unless otherwise specified , Vin = Vout - 2.5 V, Vout =-3V, Vplus=3V,Tj =25°C, Cin = 1
Cout = 1
m
F
15-Jul-03 - Rev. 1.1
Page 3 of 3
m
F,
SYMBOL
V
IN
PARAMETER
Operating input voltage
TEST CONDITIONS
Iout = 3A Tj=-55° to 125° C
MIN
-3
TYP
4.5
MAX
-9
UNITS
V
V
OUT
Output voltage accuracy
Iout = 5mA Tj=-55° to 125° C
-2
2
%
V
OUT
Operating output voltage
Iout= 3A Tj=-55° to 125° C
-1.21
-7
V
Ishort
Output current limit
Adjustable
A
Vo/V
i
Vo/VoI
Lo
Line regulation
Vi=Vout-2.5 to -12V Iout = 5mA
1
%
Load regulation
Iout = 5mA to 3A
1
%
On mode
Output shorted to GND, Iocm = 0mA
On mode,
Output shorted to GND, Iocm =10mA
On mode Iout=0
200
500
170
Vplus
Quescent
current
Quiescient current
Iq, Plus
Tj=-55° to 125° C
Vplus =3V
Off mode, Vinh=3V
200
μΑ
Vi=Vout-2.5 to -12V, On mode Iout= 5 mA
3
4
Vi=Vout-2.5 to -12V, On mode Iout = 30 mA
5
6
Vi=Vout-2.5 to -12V, On mode Iout = 300 mA
20
35
Vi=Vout-2.5 to -12V, On mode Iout = 1 A
40
75
Vi=Vout-2.5 to -12V, On mode Iout =2 A
80
140
Vi=Vout-2.5 to -12V, On mode Iout =3 A
150
240
0.8
Iq
(Vminus)
Quiescent Current,
Tj=-55° to 125° C
OFF mode Vinh =3V Vplus =3V
0.3
mA
Iout= 400 mA, Tj=-55° to 125° C
0.4
Iout= 1 A, Tj=-55° to 125° C
0.6
1.2
Iout= 2 A, Tj=-55° to 125° C
0.95
2
Vd
Dropout voltage
Iout =3 A, Tj=-55° to 125° C
1.3
2.6
V
V
INH
V
INH
,Off
V
INH
,On
Inhibit voltage
turn,Off voltage
turn-On voltage
Vplus = 3V Tj=-55° to 125° C
2
0.8
V
SVR
Supply voltage
rejection
Vin=Vout -2.5 ±0.5 V I
OUT
= 15mA
f=120 Hz
f= 33 Khz
70
30
dB
I
INH
Shutdown input current
Vplus =3V V
INH
= 3V
15
μΑ
Cout
Output capacitance
Electrical series
Resistance
Overcurrent monitor
voltage Low
Overcurrent monitor
voltage High
Output noise voltage
Iout=0 to 3A
1
μ
F
ESR
Iout=0 to 3A
2
6
ohm
V
OCML
Vplus =3V I
OCM
= 10 mA (sinked current)
0.6
V
V
OCMH
I
OCM
= -10uA (sourced current), Vi=Vout-2.5
Vplus = 3V
10Hz < freq < 100 Khz
Vplus
400
V
en/Vout
μ
Vrms/V
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