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UA7808_15 데이터시트(PDF) 6 Page - Texas Instruments

부품명 UA7808_15
상세설명  關A78xx Fixed Positive Voltage Regulators
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
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uA7805, uA7808, uA7810
uA7812, uA7815, uA7824
SLVS056P – MAY 1976 – REVISED JANUARY 2015
www.ti.com
7.6 Electrical Characteristics — uA7808
at specified virtual junction temperature, VI = 14 V, IO = 500 mA (unless otherwise noted)
μA7808C
PARAMETER
TEST CONDITIONS
TJ
(1)
UNIT
MIN
TYP
MAX
25°C
7.7
8
8.3
IO = 5 mA to 1 A, VI = 10.5 V to 23 V,
Output voltage
V
PD ≤ 15 W
0°C to 125°C
7.6
8.4
VI = 10.5 V to 25 V
6
160
Input voltage regulation
25°C
mV
VI = 11 V to 17 V
2
80
VI = 11.5 V to 21.5 V, f = 120 Hz
55
72
Ripple rejection(2)
0°C to 125°C
dB
VI = 11.5 V to 21.5 V, f = 120 Hz
62
(KCT)
IO = 5 mA to 1.5 A
12
160
Output voltage regulation
25°C
mV
IO = 250 mA to 750 mA
4
80
Output resistance
f = 1 kHz
0°C to 125°C
0.016
Temperature coefficient of output voltage
IO = 5 mA
0°C to 125°C
–0.8
mV/°C
Output noise voltage
f = 10 Hz to 100 kHz
25°C
52
μV
Dropout voltage
IO = 1 A
25°C
2
V
Bias current
25°C
4.3
8
mA
VI = 10.5 V to 25 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
450
mA
Peak output current
25°C
2.2
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.
6
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Copyright © 1976–2015, Texas Instruments Incorporated
Product Folder Links: uA7805 uA7808 uA7810 uA7812 uA7815 uA7824


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