參數(shù)資料
型號： UA78M20CKC
廠商： Texas Instruments, Inc.
英文描述： POSITIVE-VOLTAGE REGULATORS
中文描述： 正電壓調(diào)節(jié)器
文件頁數(shù)： 8/18頁
文件大?。?/td> 425K
代理商： UA78M20CKC
www.ti.com
Electrical Characteristics
at specified virtual junction temperature, V
I
= 17 V, I
O
= 350 mA, T
J
= 25
°
C (unless otherwise noted)
Electrical Characteristics
at specified virtual junction temperature, V
I
= 19 V, I
O
= 350 mA, T
J
= 25
°
C (unless otherwise noted)
μ
A78M00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS059P–JUNE 1976–REVISED OCTOBER 2005
μ
A78M10C
MIN
TYP
9.6
9.5
PARAMETER
TEST CONDITIONS
(1)
UNIT
MAX
10.4
10.5
100
50
10
Output voltage
V
I
= 12.5 V to 25 V,
I
O
= 5 mA to 350 mA
V
T
J
= 0
°
C to 125
°
C
V
I
= 12.5 V to 28 V
V
I
= 14 V to 28 V
I
O
= 100 mA,
I
O
= 300 mA
7
2
Input voltage regulation
I
O
= 200 mA
mV
T
J
= 0
°
C to 125
°
C
59
55
V
= 15 V to 25 V,
f = 120 Hz
Ripple rejection
dB
80
25
10
I
O
= 5 mA to 500 mA
I
O
= 5 mA to 200 mA
200
100
Output voltage regulation
mV
Temperature coefficient
of output voltage
Output noise voltage
Dropout voltage
Bias current
I
O
= 5 mA,
T
J
= 0
°
C to 125
°
C
–1
mV/
°
C
f = 10 Hz to 100 kHz
64
μ
V
V
mA
2
4.7
6
V
I
= 12.5 V to 28 V,
I
O
= 5 mA to 350 mA,
I
O
= 200 mA,
T
J
= 0
°
C to 125
°
C
T
J
= 0
°
C to 125
°
C
0.8
0.5
Bias current change
mA
Short-circuit output
current
Peak output current
V
I
= 35 V
245
mA
0.7
A
(1)
All characteristics are measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output. Pulse-testing
techniques maintain T
J
as close to T
A
as possible. Thermal effects must be taken into account separately.
μ
A78M12C
MIN
TYP
11.5
11.4
PARAMETER
TEST CONDITIONS
(1)
UNIT
MAX
12.5
12.6
100
50
12
Output voltage
V
I
= 14.5 V to 27 V,
I
O
= 5 mA to 350 mA
V
T
J
= 0
°
C to 125
°
C
V
I
= 14.5 V to 30 V
V
I
= 16 V to 30 V
I
O
= 100 mA,
I
O
= 300 mA
8
2
Input voltage regulation
I
O
= 200 mA
mV
T
J
= 0
°
C to 125
°
C
55
55
V
= 15 V to 25 V,
f = 120 Hz
Ripple rejection
dB
80
25
10
I
O
= 5 mA to 500 mA
I
O
= 5 mA to 200 mA
240
120
Output voltage regulation
mV
Temperature coefficient
of output voltage
Output noise voltage
Dropout voltage
Bias current
I
O
= 5 mA,
T
J
= 0
°
C to 125
°
C
–1
mV/
°
C
f = 10 Hz to 100 kHz
75
μ
V
V
mA
2
4.8
6
V
I
= 14.5 V to 30 V,
I
O
= 5 mA to 350 mA,
I
O
= 200 mA,
T
J
= 0
°
C to 125
°
C
T
J
= 0
°
C to 125
°
C
0.8
0.5
Bias current change
mA
Short-circuit output
current
Peak output current
V
I
= 35 V
240
mA
0.7
A
(1)
All characteristics are measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output. Pulse-testing
techniques maintain T
J
as close to T
A
as possible. Thermal effects must be taken into account separately.
8
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