參數(shù)資料
型號(hào)： GS1086CST2.85
廠商： Vishay Intertechnology,Inc.
英文描述： 1.5A Low Dropout Positive Adjustable Regulator
中文描述： 1.5A的低壓差可調(diào)穩(wěn)壓器正
文件頁(yè)數(shù)： 3/6頁(yè)
文件大?。?/td> 81K
代理商： GS1086CST2.85
GS1086
Vishay Semiconductors
formerly General Semiconductor
Document Number 74801
12-Mar-02
www.vishay.com
3
Electrical Characteristics
(1)
(con’t.)
T
J
= 25
°
C
(2)
, V
IN
= 5V, I
o
= 10mA unless otherwise noted.
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
Fixed Voltage Version
I
Q
0
°
C
≤
T
J
≤
125
°
C
10
14
mA
RMS Output Noise
N
10H
Z
≤
f
≤
10 kH
Z
f = 120 H
Z
, C
O
= 25
μ
F
C
adj
= 25
μ
F
0.003
%V
O
Ripple Rejection Ratio
RR
60
68
dB
Thermal Regulation
R
TH
T
A
= 25
°
C, 30ms Pulse
0.02
0.05
%/W
Long Term Stability
T
A
= 125
°
C, 1000 Hrs
0.3
%V
O
Notes:
(1) All parameters, except nominal output voltage are specified for the variable voltage version, allowing a wider V
in
Range.
The specified limits also apply for the fixed voltage versions over the allowable input voltage range: GS1086-2.5 (3.9V - 7.0V), GS1086-2.85 (4.25V - 7.0V),
GS1086-3.3 (4.75V - 7.0V), GS1086-5 (6.4V - 7.0V).
(2) To maintain the specified junction temperatures, low duty cycle pulse testing is required for most parameters.
Notes:
V
REF
= V
OUT
–
V
ADJ
= 1.25V (typ.)
V
OUT
= V
REF
x (1+R2/R1) + I
ADJ
x R2
I
ADJ
= 55
μ
A (typ.)
(1) C1 needed if device is far away from filter capacitors
(2) C2 required for stability
Typical Application Circuit
V
IN
5V
V
OUT
3.3V
C1
10
μ
F
C2
10
μ
F
ADJ
V
REF
1
3
2
R1
125
1%
R2
205
1%
GS1086
Adjustable Voltage Regulator
+
+
V
IN
5V
V
OUT
C1
10
μ
F
C2
10
μ
F
1
3
2
GS1086-2.5
GS1086-2.85
GS1086-3.3
GS1086-5
Fixed Voltage Regulator
+
+
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