Datasheet

2
LT1529
LT1529-3.3/LT1529-5
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Output Short-Circuit Duration ......................... Indefinite
Storage Temperature Range ................ – 65°C to 150°C
Operating Junction Temperature Range
Commercial .......................................... 0°C to 125°C
Industrial ......................................... – 45°C to 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C
*For applications requiring input voltage ratings greater than 15V, contact
the factory.
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
Input Voltage ...................................................... ±15V*
OUTPUT Pin Reverse Current .............................. 10mA
SENSE Pin Current .............................................. 10mA
ADJ Pin Current ................................................... 10mA
SHDN Pin Input Voltage (Note 2) .............. 6.5V, – 0.6V
SHDN Pin Input Current (Note 2) .......................... 5mA
WU
U
PACKAGE
/
O
RDER I FOR ATIO
ORDER PART
NUMBER
LT1529CQ
LT1529CQ-3.3
LT1529CQ-5
LT1529IQ
LT1529IQ-3.3
LT1529IQ-5
*PIN 2 = SENSE FOR LT1529-3.3/LT1529-5
= ADJ FOR LT1529
ORDER PART
NUMBER
LT1529CT
LT1529CT-3.3
LT1529CT-5
LT1529IT
LT1529IT-3.3
LT1529IT-5
*PIN 2 = SENSE FOR LT1529-3.3/LT1529-5
= ADJ FOR LT1529
T
JMAX
= 125°C, θ
JA
≈ 30°C/W
PARAMETER CONDITIONS MIN TYP MAX UNITS
Regulated Output Voltage LT1529-3.3 V
IN
= 3.8V, I
OUT
= 1mA, T
J
= 25°C 3.250 3.300 3.350 V
(Note 4) 4.3V < V
IN
< 15V, 1mA < I
OUT
< 3A ● 3.200 3.300 3.400 V
LT1529-5 V
IN
= 5.5V, I
OUT
= 1mA, T
J
= 25°C 4.925 5.000 5.075 V
6V < V
IN
< 15V, 1mA < I
OUT
< 3A ● 4.850 5.000 5.150 V
LT1529 (Note 5) V
IN
= 4.3V, I
OUT
= 1mA, T
J
= 25°C 3.695 3.750 3.805 V
4.8V < V
IN
< 15V, 1mA < I
OUT
< 3A ● 3.640 3.750 3.860 V
Line Regulation LT1529-3.3 ∆V
IN
= 3.8V to 15V, I
OUT
= 1mA ● 1.5 10 mV
LT1529-5 ∆V
IN
= 5.5V to 15V, I
OUT
= 1mA ● 1.5 10 mV
LT1529 (Note 5) ∆V
IN
= 4.3V to 15V, I
OUT
= 1mA ● 1.5 10 mV
Load Regulation LT1529-3.3 ∆I
LOAD
= 1mA to 3A, V
IN
= 4.3V, T
J
= 25°C520mV
∆I
LOAD
= 1mA to 3A, V
IN
= 4.3V ● 12 30 mV
LT1529-5 ∆I
LOAD
= 1mA to 3A, V
IN
= 6V, T
J
= 25°C520mV
∆I
LOAD
= 1mA to 3A, V
IN
= 6V ● 12 30 mV
LT1529 (Note 5) ∆I
LOAD
= 1mA to 3A, V
IN
= 4.8V, T
J
= 25°C520mV
∆I
LOAD
= 1mA to 3A, V
IN
= 4.8V ● 12 30 mV
Dropout Voltage I
LOAD
= 10mA, T
J
= 25°C 110 180 mV
(Note 6) I
LOAD
= 10mA ● 250 mV
I
LOAD
= 100mA, T
J
= 25°C 200 300 mV
I
LOAD
= 100mA ● 400 mV
E
LECTR
IC
AL C CHARA TERIST
ICS
V
IN
SHDN
GND
SENSE/ADJ*
OUTPUT
Q PACKAGE
5-LEAD PLASTIC DD PAK
TAB IS
GND
FRONT VIEW
5
4
3
2
1
T PACKAGE
5-LEAD PLASTIC TO-220
FRONT VIEW
TAB IS
GND
5
4
3
2
1
V
IN
SHDN
GND
SENSE/ADJ*
OUTPUT
(Note 1)
T
JMAX
= 125°C, θ
JA
≈ 50°C/W
The ● denotes specifications which apply over the operating temperature range, otherwise specificatons are at T
A
= 25°C. (Note 3)
Consult LTC Marketing for parts specified with wider operating temperature ranges.