Datasheet

LT3022/LT3022-1.2
LT3022-1.5/LT3022-1.8
11
3022fb
BLOCK DIAGRAM
–
+
–
+
9
ERROR
AMP
NO-LOAD
RECOVERY
200mV
BIAS CURRENT
AND
REFERENCE
GENERATOR
213mV
IDEAL
DIODE
THERMAL
SHUTDOWN
SHUTDOWN
SHDN
CURRENT
GAIN
R3
R2
R1
IN
12, 13, 14
3, 4
D1
Q1
Q3
Q2
D2
25k
PGND
10, 11
OUT
6, 7
AGND
3022 BD
ADJ
5
5
SENSE
FIXED
V
OUT
1.2V
1.5V
1.8V
R1
3.92k
3.92k
3.92k
R2
19.6k
25.5k
31.4k
NOTE:
FOR LT3022 ADJ PIN (5) IS
CONNECTED TO THE ADJ PIN,
R1 AND R2 ARE EXTERNAL.
FOR LT3022-1.X PIN (5) IS
CONNECTED TO THE SENSE PIN,
R1 AND R2 ARE INTERNAL.
TIE PGND, AGND AND THE EXPOSED
PAD TOGETHER.
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