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UA7812CKCT 데이터시트(PDF) 7 Page - Texas Instruments

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부품명 UA7812CKCT
상세설명  FIXED POSITIVE VOLTAGE REGULATORS
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μA7800 SERIES
www.ti.com
SLVS056O – MAY 1976 – REVISED AUGUST 2012
uA7812 Electrical Characteristics (continued)
at specified virtual junction temperature, VI = 19 V, IO = 500 mA (unless otherwise noted)
μA7812C
PARAMETER
TEST CONDITIONS
TJ
(1)
UNIT
MIN
TYP
MAX
Bias current
25°C
4.3
8
mA
VI = 14.5 V to 30 V
1
Bias current change
0°C to 125°C
mA
IO = 5 mA to 1 A
0.5
Short-circuit output current
25°C
350
mA
Peak output current
25°C
2.2
A
uA7815 Electrical Characteristics
at specified virtual junction temperature, VI = 23 V, IO = 500 mA (unless otherwise noted)
μA7815C
PARAMETER
TEST CONDITIONS
TJ
(1)
UNIT
MIN
TYP
MAX
25°C
14.4
15
15.6
IO = 5 mA to 1 A, VI = 17.5 V to 30 V,
Output voltage
V
PD ≤ 15 W
0°C to 125°C
14.25
15.75
VI = 17.5 V to 30 V
11
300
Input voltage regulation
25°C
mV
VI = 20 V to 26 V
3
150
VI = 18.5 V to 28.5 V, f = 120 Hz
54
70
Ripple rejection(2)
0°C to 125°C
dB
VI = 18.5 V to 28.5 V, f = 120 Hz
60
(KCT)
IO = 5 mA to 1.5 A
12
300
Output voltage regulation
25°C
mV
IO = 250 mA to 750 mA
4
150
Output resistance
f = 1 kHz
0°C to 125°C
0.019
Temperature coefficient of output voltage
IO = 5 mA
0°C to 125°C
–1
mV/°C
Output noise voltage
f = 10 Hz to 100 kHz
25°C
90
μV
Dropout voltage
IO = 1 A
25°C
2
V
Bias current
25°C
4.4
8
mA
VI = 17.5 V to 30 V
1
Bias current change
0°C to 125°C
mA
IO = 5 mA to 1 A
0.5
Short-circuit output current
25°C
230
mA
Peak output current
25°C
2.1
A
(1)
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately. All characteristics are measured with a 0.33-
μF capacitor across the input and a 0.1-μF capacitor across
the output.
(2)
This parameter is validated by design and verified during product characterization. It is not tested in production.
uA7824 Electrical Characteristics
at specified virtual junction temperature, VI = 33 V, IO = 500 mA (unless otherwise noted)
μA7824C
PARAMETER
TEST CONDITIONS
TJ
(1)
UNIT
MIN
TYP
MAX
25°C
23
24
25
IO = 5 mA to 1 A, VI = 27 V to 38 V,
Output voltage
V
PD ≤ 15 W
0°C to 125°C
22.8
25.2
VI = 27 V to 38 V
18
480
Input voltage regulation
25°C
mV
VI = 30 V to 36 V
6
240
Ripple rejection(2)
VI = 28 V to 38 V, f = 120 Hz
0°C to 125°C
50
66
dB
(1)
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be
taken into account separately. All characteristics are measured with a 0.33-
μF capacitor across the input and a 0.1-μF capacitor across
the output.
(2)
This parameter is validated by design and verified during product characterization. It is not tested in production.
Copyright © 1976–2012, Texas Instruments Incorporated
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