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GS1085CM3.3 PDF даташит

Спецификация GS1085CM3.3 изготовлена ​​​​«Vishay Siliconix» и имеет функцию, называемую «3A Low Dropout Positive Adjustable Regulator».

Детали детали

Номер произв GS1085CM3.3
Описание 3A Low Dropout Positive Adjustable Regulator
Производители Vishay Siliconix
логотип Vishay Siliconix логотип 

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GS1085CM3.3 Даташит, Описание, Даташиты
TO-252
(DPak)
GS1085
New Product
Vishay
formerly General Semiconductor
3A Low Dropout Positive Adjustable Regulator
TO-220AB
TO-263AB
(D2Pak)
23
1
GS1085CE
GS1085CT
Pin Definition
1. Adjust/Gnd.
2. Vout (tab)
3. Vin
3
2
1
Features
Dropout Voltage 1.3V at 3A Output Current
Fast Transient Response
Line Regulation typically at 0.015%
Load Regulation typically at 0.1%
Internal thermal and current limiting
Adjustable Output Voltage or Fixed 1.8V, 2.5V, 3.3V
Standard 3-Pin Power Packages
Functional Block Diagram
+VREF
1.25V
55µA
+
GM
--
Current
Amp
Thermal
Limit
Current
Limit
ADJ
VIN
For
fixed
voltage
device
VOUT
GND
23
1
GS1085CM
Description
The GS1085 is a low dropout three terminal regulator with
3A output current capability. The output voltage is
adjustable with the use of a resistor divider. For fixed output
voltage versions, the output voltage is internally set at
1.8V, 2.5V, or 3.3V. Dropout is guaranteed at a maximum
of 1.4V at maximum output current. Its low dropout voltage
and fast transient response make it ideal for low voltage
microprocessor applications. Internal current and thermal
limiting provides protection against any overload condition
that would create excessive junction temperatures.
Applications
• Post Regulator for Switching Supply
• Microprocessor Power Supplies
• Constant-Current Regulators
• Motherboard I/O Power Supplies
Mechanical Data
Case: TO-220AB, TO-263AB (D2PAK),
TO-252 (DPAK)
High temperature soldering guaranteed:
260°C/10 seconds at terminals
Case outlines are on the back page
Document Number 74821
24-May-02
www.vishay.com
1









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GS1085CM3.3 Даташит, Описание, Даташиты
GS1085
Vishay
formerly General Semiconductor
Maximum Ratings and Thermal Characteristics (TA = 25°C unless otherwise noted)
Parameter
Symbol
Value
Vin Pin to ADJ/GND Pin
Vin 7
Thermal Resistance Junction to Case
TO-220AB
TO-252
TO-263AB
RθJC
3.0
8.0
3.0
Operating Junction Temperature Range
TJ 0 to +125
Storage Temperature Range
Tstg 65 to 150
Unit
V
°C/W
°C
°C
Electrical Characteristics(1) TJ = 25°C (2), VIN = 5V, Io = 10mA unless otherwise noted.
Parameter
Symbol
Test Conditions
Reference Voltage
VREF
TJ = 25°C
0°C TJ 125°C
2.65V VIN 7V
10mA Io 3A
Output Voltage
VOUT
GS1085-1.8 VIN = 5V
GS1085-2.5 VIN = 5V
GS1085-3.3 VIN = 7V
GS1085
0°C TJ 125°C
2.65V VIN 5V
10mA Io 3A
Line Regulation
REGline
2.65V VIN 7V
TJ = 25°C
0°C TJ 125°C
Load Regulation
REGload
10mA Io 3A
TJ = 25°C
0°C TJ 125°C
Dropout Voltage
VDROP
0°C TJ 125°C
Io = 3A
Io = 2A
Io = 1A
Output Current
Io 0°C TJ 125°C
Adjust Pin Current
2.65 Vin 7V
Iadj 10mA Io 3A
0°C TJ 125°C
Adjust Pin Current Change
Iadj
2.65 Vin 7V
10mA Io 3A
0°C TJ 125°C
Temperature Stability
TS
Io = 0.5A
0°C TJ 125°C
Minimum Load Current
Adjustable Version
ILMIN
0°C TJ 125°C
Min
1.238
1.225
Typ
1.250
1.250
Max
1.262
1.275
Unit
V
1.78 1.8 1.82
2.47 2.5 2.53
3.26 3.3 3.33
0.98VN VN 1.02VN
V
0.015 0.2 % VO
0.035 0.2
0.1 0.3 % VO
0.2 0.4
1.3 1.4
1.28 1.37
1.25 1.34
3.0 4.0
V
A
55 120 µA
0.2 5 µA
0.5 %VO
5 10 mA
www.vishay.com
2
Document Number 74821
24-May-02









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GS1085CM3.3 Даташит, Описание, Даташиты
GS1085
Vishay
formerly General Semiconductor
Electrical Characteristics(con’t.)(1) TJ = 25°C (2), VIN = 5V, Io = 10mA unless otherwise noted.
Parameter
Symbol
Test Conditions
Min
Quiescent Current
Fixed Voltage Version
IQ
0°C TJ 125°C
RMS Output Noise
N
10HZ f 10 kHZ
Ripple Rejection Ratio
RR
f = 120 HZ, CO = 25µF
Cadj = 25µF
60
Thermal Regulation
RTH
TA = 25°C, 30ms Pulse
Long Term Stability
TA = 125°C, 1000 Hrs
Typ
10
0.003
68
0.02
0.3
Max
14
0.05
Unit
mA
%VO
dB
%/W
%VO
Notes:
(1) All parameters, except nominal output voltage are specified for the variable voltage version, allowing a wider Vin Range.
The specified limits also apply for the fixed voltage versions over the allowable input voltage range: GS1085-1.8 (3.2V - 7.0V), GS1085-2.5 (3.9V - 7.0V),
GS1085-3.3 (4.75V - 7.0V).
(2) To maintain the specified junction temperatures, low duty cycle pulse testing is required for most parameters.
Typical Application Circuit
VIN 3 GS1085-1.8 2
5V GS1085-2.5
GS1085-3.3
C1 +
10µF
1
VOUT
+ C2
10µF
Fixed Voltage Regulator
VIN 3
5V
C1 +
10µF
GS1085
1 ADJ
2
VREF
VOUT
3.3V
R1
125
1% + C2
10µF
R2
205
1%
Adjustable Voltage Regulator
Notes:
VREF = VOUT VADJ = 1.25V (typ.)
VOUT = VREF x (1+R2/R1) + IADJ x R2
IADJ = 55µA (typ.)
(1) C1 needed if device is far away from filter capacitors
(2) C2 required for stability
Document Number 74821
24-May-02
www.vishay.com
3










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