參數(shù)資料
型號(hào)： uA7800
廠商： Texas Instruments, Inc.
英文描述： Fork Tongue Solderless Terminal; Wire Size (AWG):16-14; Stud Size:#6; Body Material:Alloy Steel; Body Plating:Nickel; Voltage Rating:600V RoHS Compliant: Yes
中文描述： 正電壓調(diào)節(jié)器
文件頁(yè)數(shù)： 6/14頁(yè)
文件大?。?/td> 364K
代理商： UA7800
μ
A7800 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS056J
–
MAY 1976
–
REVISED MAY 2003
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= 33 V, I
O
= 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
μ
A7824C
TYP
UNIT
MIN
23
MAX
Output voltage
IO = 5 mA to 1 A,
PD
≤
15 W
VI = 27 V to 38 V
VI = 30 V to 36 V
VI = 28 V to 38 V,
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
f = 1 kHz
VI = 27 V to 38 V,
25
°
C
24
25
V
0
°
C to 125
°
C
22.8
25.2
Input voltage regulation
25
°
C
18
480
mV
6
240
Ripple rejection
f = 120 Hz
0
°
C to 125
°
C
50
66
dB
Output voltage regulation
25
°
C
12
480
mV
4
240
Output resistance
0
°
C to 125
°
C
0
°
C to 125
°
C
25
°
C
25
°
C
25
°
C
0.028
Temperature coefficient of output voltage
IO = 5 mA
f = 10 Hz to 100 kHz
–
1.5
mV/
°
C
μ
V
V
Output noise voltage
170
Dropout voltage
IO = 1 A
2
Bias current
4.6
8
mA
Bias current change
VI = 27 V to 38 V
IO = 5 mA to 1 A
0
°
C to 125
°
C
1
mA
0.5
Short-circuit output current
25
°
C
25
°
C
150
mA
Peak output current
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-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output.
2.1
A
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