SP78XX 查看數據表（PDF） - Signal Processing Technologies
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SP78XX Datasheet PDF : 10 Pages
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electrical characteristics
SP7805 (VI=10V, IO=1A, TJ=-40 to 125 oC, unless otherwise specified.)
Parameter
Symbol
Conditions
Min Typ Max Unit
Output Voltage
VO
TJ=25oC
4.9
IO=5mA to 1A, VI=7.5 to 15V, PD İ 15W
4.8
5.0
5.0
5.1
5.2
V
Line Regulation
VRLINE VI=8V to 15V, IO=1A, TJ=25oC
1
20
mV
Load Regulation
VRLOAD VI=10V, IO=5mA to 1A, TJ=25oC
10
35
mV
Quiescent Current
IQ
VI=10V
3.2
6.0
mA
Quiescent Current Change 'IQ
Ripple Rejection
'VI/'VO
VI=8V to 15V, IO=500mA, TJ=25oC
IO=5mA to 1A, TJ=25oC
VI=8V to 15V, f=120Hz, IO=300mA
0.3
0.8
mA
0.08 0.5
63
73
dB
Dropout Voltage
VI-VO 'VO/VO=1%, IO=1A, TJ=25oC
2.0
V
Output Noise Voltage
Output Resistance
NO
f=10Hz to 100KHz, TA=25oC
RO
f=1.0kHz
10
PV/VO
10
m:
Short Circuit Current
IPK
VI=15V, TA=25oC
0.8
A
Peak Output Current
Output Voltage Drift
IMAX
'VO/'T
VI=10V, TJ=25oC
2.2
A
-0.3
mV/oC
electrical characteristics
SP7812 (VI=17V, IO=1A, TJ=-40 to 125 oC, unless otherwise specified.)
Parameter
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current
Change
Ripple Rejection
Dropout Voltage
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
Output Voltage Drift
Symbol
Condition
Min Typ Max Unit
VO
TJ=25oC
11.5
IO=5mA to 1A, VI=14.8 to 17V, PD İ 15W 11.4
12
12
12.5
12.6
V
VRLINE VI=14.5 to 18V, IO=1A, TJ=25oC
2.2
20
mV
VRLOAD VI=17V, IO=5mA to 1A, TJ=25oC
8.1
60
mV
IQ
VI=17V
3.4
6.5
mA
'IQ
'VI/'VO
VI=14.5 to 17V, IO=1A, TJ=25oC
IO=5.0mA to 1A, TJ=25oC
VI=15V to 17V, f=120Hz, IO=300mA
0.7
mA
0.5
55
60
dB
VI-VO 'VO/VO=1%, IO=1A, TA=25oC
2.0
V
NO
f=10Hz to 100KHz, TA=25oC
RO f=1.0KHz
10
PV/VO
13
m:
IPK
VI=15V, TA=25oC
0.8
A
IMAX VI=17V, TJ=25oC
'VO/'T
2.2
A
-0.8
mV/oC
Date: 7/28/06 Rev E
SP78XX 3-Terminal Positive Linear Regulators
© 2006 Sipex Corporation
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