參數(shù)資料
型號(hào)： UA78M08CDCYRG3
廠商： TEXAS INSTRUMENTS INC
元件分類： 固定正電壓單路輸出標(biāo)準(zhǔn)穩(wěn)壓器
英文描述： 8 V FIXED POSITIVE REGULATOR, PDSO4
封裝： GREEN, PLASTIC, SOT-223, 4 PIN
文件頁數(shù)： 19/21頁
文件大?。?/td> 560K
代理商： UA78M08CDCYRG3
uA78M00 SERIES
www.ti.com
SLVS059Q – JUNE 1976 – REVISED APRIL 2010
Electrical Characteristics
at specified virtual junction temperature, VI = 14 V, IO = 350 mA, TJ = 25°C (unless otherwise noted)
uA78M08C
PARAMETER
TEST CONDITIONS(1)
UNIT
MIN
TYP MAX
7.7
8
8.3
Output voltage
VI = 10.5 V to 23 V,
IO = 5 mA to 350 mA
V
TJ = 0°C to 125°C
7.6
8.4
VI = 10.5 V to 25 V
6
100
Input voltage regulation
IO = 200 mA
mV
VI = 11 V to 25 V
2
50
IO = 100 mA,
TJ = 0°C to 125°C
56
VI = 11 V to 21.5 V,
Ripple rejection
dB
f = 120 Hz
IO = 300 mA
56
80
IO = 5 mA to 500 mA
25
160
Output voltage regulation
mV
IO = 5 mA to 200 mA
10
80
Temperature coefficient
IO = 5 mA,
TJ = 0°C to 125°C
–1
mV/°C
of output voltage
Output noise voltage
f = 10 Hz to 100 kHz
52
mV
Dropout voltage
2
V
Bias current
4.6
6
mA
VI = 10.5 V to 25 V,
IO = 200 mA,
TJ = 0°C to 125°C
0.8
Bias current change
mA
IO = 5 mA to 350 mA,
TJ = 0°C to 125°C
0.5
Short-circuit output
VI = 35 V
250
mA
current
Peak output current
0.7
A
(1)
All characteristics are measured with a 0.33-mF capacitor across the input and a 0.1-mF capacitor across the output. Pulse-testing
techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.
Electrical Characteristics
at specified virtual junction temperature, VI = 16 V, IO = 350 mA, TJ = 25°C (unless otherwise noted)
uA78M09C
PARAMETER
TEST CONDITIONS(1)
UNIT
MIN
TYP MAX
8.6
9
9.4
Output voltage
VI = 11.5 V to 24 V,
IO = 5 mA to 350 mA
V
TJ = 0°C to 125°C
8.5
9.5
VI = 11.5 V to 26 V
6
100
Input voltage regulation
IO = 200 mA
mV
VI = 12 V to 26 V
2
50
IO = 100 mA,
TJ = 0°C to 125°C
56
VI = 13 V to 23 V,
Ripple rejection
dB
f = 120 Hz
IO = 300 mA
56
80
IO = 5 mA to 500 mA
25
180
Output voltage regulation
mV
IO = 5 mA to 200 mA
10
90
Temperature coefficient
IO = 5 mA,
TJ = 0°C to 125°C
–1
mV/°C
of output voltage
Output noise voltage
f = 10 Hz to 100 kHz
58
mV
Dropout voltage
2
V
Bias current
4.6
6
mA
VI = 11.5 V to 26 V,
IO = 200 mA,
TJ = 0°C to 125°C
0.8
Bias current change
mA
IO = 5 mA to 350 mA,
TJ = 0°C to 125°C
0.5
Short-circuit output
VI = 35 V
250
mA
current
Peak output current
0.7
A
(1)
All characteristics are measured with a 0.33-mF capacitor across the input and a 0.1-mF capacitor across the output. Pulse-testing
techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.
Copyright 1976–2010, Texas Instruments Incorporated
7
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