參數(shù)資料
型號(hào): LD1085DT18R
廠商: 意法半導(dǎo)體
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 5.0放大器正電壓穩(wěn)壓器
文件頁(yè)數(shù): 12/27頁(yè)
文件大?。?/td> 490K
代理商: LD1085DT18R
Electrical characteristics
LD1085 series
12/27
Table 9.
Electrical characteristics of LD1085#
(V
I
=4.25V, C
I
= C
O
=10
μ
F, T
A
= -40 to 125°C, unless otherwise specified).
Symbol
Parameter
Test
Min.
Typ.
Max.
Unit
V
O
Output voltage
(1)
I
O
= 10mA T
J
= 25°C
1.237
1.25
1.263
V
I
O
= 10mA to 3A, V
I
= 2.85 to 30V
1.225
1.25
1.275
V
Δ
V
O
Line Regulation
I
O
= 10mA, V
I
= 2.85 to 16.5V,
T
J
= 25°C
0.015
0.2
%
I
O
= 10mA, V
I
= 2.85 to 16.5V
0.035
0.2
%
Δ
V
O
Load Regulation
I
O
= 10mA to 3A, T
J
= 25°C
0.1
0.3
%
I
O
= 0 to 3A
0.2
0.4
%
V
d
Dropout Voltage
I
O
= 3A
V
I
=
30V
1.3
1.5
V
I
O(min)
Minimum Load Current
3
10
mA
I
sc
Short Circuit Current
V
I
- V
O
= 5V
5.5
6.5
A
V
I
- V
O
= 25V
0.5
0.7
A
Thermal Regulation
T
A
= 25°C, 30ms pulse
0.003
0.015
%/W
SVR
Supply Voltage Rejection
f = 120 Hz, C
O
= 25μF,C
ADJ
= 25 μF,
I
O
= 3A, V
I
= 6.25
±
3V
V
I
=
4.25V, I
O
= 10 mA
60
72
dB
I
ADJ
Δ
I
ADJ
Adjust Pin Current
55
120
μ
A
Adjust Pin Current Change
(1)
I
O
= 10mA to 3A, V
I
= 2.85 to 16.5V
0.2
5
μ
A
eN
RMS Output Noise Voltage (%
of V
O
)
T
A
= 25°C, f =10Hz to 10KHz
0.003
%
S
Temperature Stability
0.5
%
S
Long Term Stability
T
A
= 125°C, 1000Hrs
0.5
%
1.
See short-circuit current curve for available output current at fixed dropout.
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