參數(shù)資料
型號： UA78M08CDCYRG3
廠商： TEXAS INSTRUMENTS INC
元件分類： 固定正電壓單路輸出標準穩(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)： 17/21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 = 8 V, IO = 350 mA, TJ = 25°C (unless otherwise noted)
uA78M33C
PARAMETER
TEST CONDITIONS(1)
UNIT
MIN
TYP
MAX
3.2
3.3
3.4
IO = 5 mA to 350 mA,
Output voltage(2)
V
VI = 8 V to 20 V
TJ = 0°C to 125°C
3.1
3.3
3.5
VI = 5.3 V to 25 V
9
100
Input voltage regulation
IO = 200 mA
mV
VI = 8 V to 25 V
3
50
IO = 100 mA, TJ = 0°C to 125°C
62
VI = 8 V to 18 V,
Ripple rejection
dB
f = 120 Hz
IO = 300 mA
62
80
Output voltage regulation
VI = 8 V,
IO = 5 mA to 500 mA
20
100
mV
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
40
200
mV
Dropout voltage
2
V
Bias current
4.5
6
mA
IO = 200 mA, VI = 8 V to 25 V, 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 current
VI = 35 V
300
mA
Peak output current
700
mA
(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.
(2)
This specification applies only for dc power dissipation permitted by absolute maximum ratings
Electrical Characteristics
at specified virtual junction temperature, VI = 10 V, IO = 350 mA, TJ = 25°C (unless otherwise noted)
uA78M05C
PARAMETER
TEST CONDITIONS(1)
UNIT
MIN
TYP
MAX
4.8
5
5.2
IO = 5 mA to 350 mA,
Output voltage
V
VI = 7 V to 20 V
TJ = 0°C to 125°C
4.75
5.25
VI = 7 V to 25 V
3
100
Input voltage regulation
IO = 200 mA
mV
VI = 8 V to 25 V
1
50
IO = 100 mA, TJ = 0°C to 125°C
62
VI = 8 V to 18 V,
Ripple rejection
dB
f = 120 Hz
IO = 300 mA
62
80
IO = 5 mA to 500 mA
20
100
Output voltage regulation
mV
IO = 5 mA to 200 mA
10
50
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
40
200
mV
Dropout voltage
2
V
Bias current
4.5
6
mA
IO = 200 mA, VI = 8 V to 25 V, 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 current
VI = 35 V
300
mA
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
5
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