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LT1528 Datasheet(PDF) 2 Page - Linear Technology

Part # LT1528
Description  3A Low Dropout Regulator for Microprocessor Applications
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1528 Datasheet(HTML) 2 Page - Linear Technology

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LT1528
ABSOLUTE MAXIMUM RATINGS
Output Short-Circuit Duration .......................... Indefinite
Storage Temperature Range ................. – 65
°C to 150°C
Operating Junction Temperature Range
LT1528C ............................................... 0
°C to 125°C
Lead Temperature (Soldering, 10 sec) .................. 300
°C
*For applications requiring input voltage ratings greater than 15V, contact
the factory.
ORDER PART
NUMBER
LT1528CT
ORDER PART
NUMBER
LT1528CQ
TJMAX = 125°C, θJA = 30°C/ W
Consult factory for Industrial and Military grade parts.
Input Voltage .......................................................
±15V*
Output Pin Reverse Current .................................. 10mA
Sense Pin Current ................................................. 10mA
Shutdown Pin Input Voltage (Note 1) .......... 6.5V, – 0.6V
Shutdown Pin Input Current (Note 1) ..................... 5mA
PACKAGE/ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Regulated Output Voltages (Notes 2, 3)
VIN = 3.8V, IOUT = 1mA, TJ = 25°C
3.250
3.300
3.350
V
4.3V < VIN < 15V, 1mA < IOUT < 3A
q
3.200
3.300
3.400
V
Line Regulation (Note 3)
∆VIN = 3.8V to 15V, IOUT = 1mA
q
1.5
10
mV
Load Regulation (Note 3)
∆ILOAD = 1mA to 3A, VIN = 4.3V,TJ = 25°C12
20
mV
∆ILOAD = 1mA to 3A, VIN = 4.3V
q
15
30
mV
Dropout Voltage (Note 4)
ILOAD = 10mA, TJ = 25°C
70
110
mV
ILOAD = 10mA
q
150
mV
ILOAD = 100mA, TJ = 25°C
150
200
mV
ILOAD = 100mA
q
250
mV
ILOAD = 700mA, TJ = 25°C
280
320
mV
ILOAD = 700mA
q
420
mV
ILOAD = 1.5A, TJ = 25°C
390
450
mV
ILOAD = 1.5A
q
600
mV
ILOAD = 3A, TJ = 25°C
570
670
mV
ILOAD = 3A
q
850
mV
VIN
SHDN
GND
SENSE
OUTPUT
Q PACKAGE
5-LEAD PLASTIC DD PAK
FRONT VIEW
5
4
3
2
1
TAB
IS
GND
T PACKAGE
5-LEAD PLASTIC TO-220
FRONT VIEW
5
4
3
2
1
VIN
SHDN
GND
SENSE
OUTPUT
TAB IS
GND
TJMAX = 125°C, θJA = 50°C/ W



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