參數(shù)資料
型號(hào)： SHD526150
廠商： Electronic Theatre Controls, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： LINEAR VOLTAGE REGULATOR THREE TERMINAL-POSITIVE-ADJUSTABLE 3.0 Amp, Low Dropout Voltage TO-257 Hermetic Package
中文描述： 線性穩(wěn)壓器三端陽性可調(diào)3.0安培，低壓差到257氣密封裝
文件頁數(shù)： 1/5頁
文件大小： 258K
代理商： SHD526150
221 West Industry Court
Deer Park, NY 11729-4681
Phone (631) 586-7600
Fax (631) 242-9798
World Wide Web Site - http://www.sensitron.com
E-Mail Address - sales@sensitron.com
SHD526150
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 4339, REV. -
LINEAR VOLTAGE REGULATOR
THREE TERMINAL-POSITIVE-ADJUSTABLE
3.0 Amp, Low Dropout Voltage
TO-257 Hermetic Package
Features:
Three-Terminal Adjustable
Operates Down to 1V Dropout
Guaranteed Dropout Voltage at Multiple
Current Levels
On-Chip Thermal Limiting
Line Regulation: 0.035%
Load Regulation: 0.20%
Fixed Versions Available
Electrically Equivalent to LT
1085
Applications:
High Efficiency Linear Regulators
Post Regulator for Switching Supplies
Constant Current Regulators
Description
:
This positive adjustable regulator is
designed to provide 3A with high efficiency using simple
3-terminal configurations. All internal circuitry is
designed to operate down to 1V input-to-output differential
and the dropout voltage is fully specified as a function of
load current. Dropout is guaranteed at a maximum of 1.5V
at maximum output current, decreasing at lower load
currents. Available in fixed voltages.
Current limit is trimmed to ensure specified output current
and controlled short-circuit current. On-chip thermal
limiting provides protection against any combination of
overload
that
would
create
temperatures.
excessive
junction
ELECTRICAL CHARACTERISTICS
-
55oC < TA < 125oC (UNLESS OTHERWISE SPECIFIED)
PARAMETER
Test Conditions
Input Voltage
Vin
Reference Voltage
Vref
1.5V < (Vin-Vout) < 25V, 10mA < Iout < 2A
Line Regulation Note(1,2)
Vout/
Vin
1.5V<(Vin-Vout)<15V,Iout=10mA T
A
= 25oC
Line Regulation Note(1,2)
Vout/
Vin
(Vin-Vout) = 15V to 35V Iout =10 mA
Load Regulation Note(1,2,3)
Vout/
Iout
(Vin-Vout) = 3V 10mA<Iout<2A
Dropout Voltage
V
DO
Vref = 1%, Iout = 3A
Current Limit
I
LIM
(Vin-Vout)=5V
Current Limit
I
LIM
(Vin-Vout)= 25V
Adjust Pin
I
Adj
Typical value is at Tj =25oC
Adjust Pin Current Change
I
Adj
1.5V<(Vin-Vout)<25V,10mA<Iout<Ifull load
Minimum Load Current
I
MIN
(Vin-Vout)= 25V
Quiescent Current
I
Q
Vin= 5.0V
Ripple Rejection
Vin/
Vout
f=120Hz.Cadj=25
μ
F, Cout=25
μ
F(Tant.), (Vin-
Vout)=3V,Iout=3.0A
Thermal Regulation
T
A
=25oC, 30ms Pulse
Temperature Stability
Vout/
T
-55oC,<T
J
<+125oC
Long Term Stability
Vout/
T
TA=+125oC, t=1000hrs
RMS Output Noise
(% of Vout)
TA=25oC, 10Hz<f<10kHz
Thermal Resistance (J-C)
Τ
JC
Surface mount LCC-3P package
SYMBOL
Min
1.220
3.20
0.20
60
TYP
-
1.250
0.035
0.050
0.60
1.30
4.00
0.50
55
0.2
5
8
72
Max.
35
1.270
0.20
0.50
1.00
1.50
-
-
120
5
10
13
-
Units
V
V
%
%
%
V
A
A
μ
A
μ
A
mA
mA
dB
0.004
0.50
0.30
0.003
-
0.02
1.0
-
4
%/W
%
%
%
oC/W
Notes:
1) See thermal regulation specification for changes in output voltage due to heating effects. Load and line regulation are measured at a constant
junction temperature by low duty cycle pulse testing.
2) Line and load regulation is guaranteed up to the maximum power dissipation in the package. Input/output differential and the output current
determine power dissipation. Guaranteed maximum output power will not be available over the full / input/output voltage range.
3) I
Full
Load is defined as the maximum value of output load current as a function of the input-to-output voltage. I
Full
Load is equal to 3.0 Amps.
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