Datasheet

LT3070
14
3070fb
For more information www.linear.com/LT3070
BLOCK DIAGRAM
–
+
–
+
EAMP
REF/BYP
I
SENSE
BUF
LDO CORE
OUT
19
SENSE
2
PWRGD
3
28
1
REF/BYP
600mV
3070 BD
EN
VIOC
IN
27
BIAS
5-8
V
OUT(NOM)
+ 300mV
25
V
O2
24
V
O1
23
V
O0
21
MARGSEL
22
MARGTOL
15-18
DETECT
V
REF
PROGRAM CONTROL
UVLO AND
THERMAL
SHUTDOWN
+
–
GND
4,9-14,20,26,29
V
BIAS
– 0.25V
EN
V
BIAS
– 0.9V
0.75V
100k
TO INTERNAL ENABLE
SEE ENABLE THRESHOLD
CURVE
V
O2
, V
O1
, VO0
MARGSEL OR
MARGTOL
0.25V
LOGIC HIGH STATE
LOGIC LOW STATE
LOGIC Hi-Z STATE
HIGH IF IN < V
BIAS
– 0.9V
AND IN > 0.75V
HIGH IF IN < 0.25V
TO LOGIC
HIGH IF IN > V
BIAS
– 0.25V
–
+
–
+
–
+
–
+
100k
100k
V
BIAS