Datasheet
LT3021/LT3021-1.2/
LT3021-1.5/LT3021-1.8
2
3021fc
ABSOLUTE MAXIMUM RATINGS
IN Pin Voltage ........................................................ ±10V
OUT Pin Voltage ......................................................±10V
Input-to-Output Differential Voltage ........................±10V
ADJ/SENSE Pin Voltage ....................................... ±10V
SHDN Pin Voltage ................................................. ±10V
Output Short-Circut Duration ......................... Indefi nite
(Note 1)
16
15
14
13
12
11
10
9
17
1
2
3
4
5
6
7
8
NC
NC
IN
NC
IN
NC
PGND
SHDN
NC
NC
OUT
OUT
NC
NC
ADJ
AGND
TOP VIEW
LT3021-ADJ
DH PACKAGE
16-LEAD
(
5mm × 5mm
)
PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 35°C/ W*, θ
JC
= 3°C/W**
EXPOSED PAD IS GND (PIN 17) CONNECT TO PINS 8, 10
EXPOSED PAD MUST BE SOLDERED TO THE PCB
*SEE THE APPLICATIONS INFORMATION SECTION
**MEASURED JUNCTION TO PIN 17
16
15
14
13
12
11
10
9
17
1
2
3
4
5
6
7
8
NC
NC
IN
NC
IN
NC
PGND
SHDN
NC
NC
OUT
OUT
NC
NC
SENSE
AGND
TOP VIEW
LT3021-FIXED
DH PACKAGE
16-LEAD
(
5mm × 5mm
)
PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 35°C/ W*, θ
JC
= 3°C/W**
EXPOSED PAD IS GND (PIN 17) CONNECT TO PINS 8, 10
EXPOSED PAD MUST BE SOLDERED TO THE PCB
*SEE THE APPLICATIONS INFORMATION SECTION
**MEASURED JUNCTION TO PIN 17
1
2
3
4
8
7
6
5
TOP VIEW
IN
NC
PGND
SHDN
NC
OUT
ADJ
AGND
LT3021-ADJ
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C, θ
JA
= 125°C/ W*, θ
JC
= 40°C/W**
*SEE THE APPLICATIONS INFORMATION SECTION
**MEASURED JUNCTION TO PIN 6
1
2
3
4
8
7
6
5
TOP VIEW
IN
NC
PGND
SHDN
NC
OUT
SENSE
AGND
LT3021-FIXED
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C, θ
JA
= 125°C/ W*, θ
JC
= 40°C/W**
*SEE THE APPLICATIONS INFORMATION SECTION
**MEASURED JUNCTION TO PIN 6
PIN CONFIGURATION
Operating Junction Temperature Range (E, I Grade)
(Notes 2, 3) ............................................–40°C to 125°C
Storage Temperature Range
DH .....................................................– 65°C to 125°C
S8 ......................................................–65°C to 150°C
Lead Temperature (Soldering, 10 sec, S8) ............ 300°C