SN7818PI Просмотр технического описания (PDF) - Kodenshi Auk Co., LTD
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SN7818PI Datasheet PDF : 18 Pages
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SN78xxx
◈ Electrical characteristics
( VIN=23V, CIN = 0.33uF, COUT = 0.1 uF, IOUT = 500mA, TJ=0℃~125℃ ; unless otherwise specified )
Characteristic
Symbol
Test Condition*
SN7815x
Unit
Min. Typ. Max.
Output Voltage**
Line Regulation
TJ =25℃
VO
17.5V ≤ VIN ≤ 30.0V
5.0mA ≤ IO ≤ 1.0A, PD ≤ 15W
ÌVO(△VI)
17.5V ≤ VIN ≤ 30.0V
20.0V ≤ VIN ≤ 26.0V
TJ =25℃
14.40 15.00 15.60
V
14.25 15.00 15.75
-
11.0
300
mV
-
3.0
150
Load Regulation
ÌVO(△IL)
5.0mA ≤ IO ≤ 1.5A
250mA ≤ IO ≤ 750mA
TJ =25℃
-
12.0
300
mV
-
4.0
150
Quiescent Current
IQC
TJ =25℃
-
5.2
8.0
mA
Quiescent Current Change
Ripple Rejection
Dropout Voltage
ÌIQC
RR
VDROP
17.5V ≤ VIN ≤ 30.0V
5.0mA ≤ IO ≤ 1.0A
18.5V ≤ VIN ≤ 28.5V
f=120Hz
IO=1.0A
TJ =25℃
-
-
1.0
mA
-
-
0.5
54
70
-
dB
-
2.0
-
V
Output Noise Voltage
VN
10Hz ≤ f ≤ 100kHz
TA =25℃
-
90
-
uV/ VO
Output Resistance
rO
f=1.0kHz
-
19
-
mΩ
Short Circuit Current
ISC
VI =35V
TA =25℃
-
250
-
mA
Peak Output Current
IPK
TJ =25℃
-
2.2
-
A
Temperature coefficient of
Output voltage
△VO/
△Temp
IO=5.0mA
-
-1.0
-
mV/°C
* Pulse testing techniques are used to maintain the junction temperature as close to the ambient
temperature as possible. Thermal effects must be taken into separately.
** This specification applies only for dc power dissipation permitted by absolute maximum ratings.
KSD-I0O008-004
10
Jan. 2010 REV. 04
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