Datasheet

2
LT1528
1528fa
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
T
JMAX
= 125°C, θ
JA
= 30°C/ W
Input Voltage ....................................................... ±15V*
OUTPUT Pin Reverse Current ............................... 10mA
SENSE Pin Current ............................................... 10mA
SHDN Pin Input Voltage (Note 2) ................6.5V, –0.3V
SHDN Pin Input Current (Note 2) ........................... 5mA
PARAMETER CONDITIONS MIN TYP MAX UNITS
Regulated Output Voltages (Notes 3, 4) V
IN
= 3.8V, I
OUT
= 1mA 3.250 3.300 3.350 V
4.3V < V
IN
< 15V, 1mA < I
OUT
< 3A ● 3.200 3.300 3.400 V
Line Regulation (Note 4) ∆V
IN
= 3.8V to 15V, I
OUT
= 1mA ● 1.5 10 mV
Load Regulation (Note 4) ∆I
LOAD
= 1mA to 3A, V
IN
= 4.3V 12 20 mV
∆I
LOAD
= 1mA to 3A, V
IN
= 4.3V ● 15 30 mV
Dropout Voltage (Note 5) I
LOAD
= 10mA 70 110 mV
I
LOAD
= 10mA ● 150 mV
I
LOAD
= 100mA 150 200 mV
I
LOAD
= 100mA ● 250 mV
I
LOAD
= 700mA 280 320 mV
I
LOAD
= 700mA ● 420 mV
I
LOAD
= 1.5A 390 450 mV
I
LOAD
= 1.5A ● 600 mV
I
LOAD
= 3A 570 670 mV
I
LOAD
= 3A ● 850 mV
T
JMAX
= 125°C, θ
JA
= 50°C/W
(Note 1)
Q PACKAGE
5-LEAD PLASTIC DD
FRONT VIEW
TAB IS
GND
V
IN
SHDN
GND
SENSE
OUTPUT
5
4
3
2
1
T PACKAGE
5-LEAD PLASTIC TO-220
V
IN
SHDN
GND
SENSE
OUTPUT
FRONT VIEW
TAB IS
GND
5
4
3
2
1
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
J
= 25°C.