lt3070 Linear Technology Corporation, lt3070 Datasheet - Page 14

• Manufacturer Part Number: lt3070
• Description: 5a, Low Noise, Programmable Output, 85mv Dropout Linear Regulator
• Manufacturer: Linear Technology Corporation

LT3070
block DiAgrAm

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