LTC1262I LINER [Linear Technology], LTC1262I Datasheet - Page 4
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LTC1262I
Manufacturer Part Number
LTC1262I
Description
12V, 30mA Flash Memory Programming Supply
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC1262I.pdf
(8 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LTC1262IS8
Manufacturer:
LINEAR/凌特
Quantity:
20 000
BLOCK
LTC1262
TI I G DIAGRA S
4
V
V
OUT
SHDN
W
U
1.4V
DIAGRAM
Figure 1. LTC1262 Timing Diagram
C1
C1
C2
C2
+
–
+
–
C1
C2
t
S1 AND S2 SHOWN WITH SHDN PIN LOW.
S3A, S3B, S3C, S3D, S4A AND S4B SHOWN WITH OSCILLATOR OUTPUT LOW AND V
COMPARATOR HYSTERISIS IS V
OFF
CHARGE
PUMP
S4A
5.1V
W
W
S3A
S3B
S4B
S3D
S3C
HYST
D2
.
t
ON
1.4V
LTC1262 • F01
11.4V
D1
S1
V
V
V
0V
OUT
CC
CC
0.22 F
0.22 F
–
+
C1
C2
V
BGAP
DIV
1
2
3
4
OSCILLATOR
< V
REFERENCE
BANDGAP
Figure 2. LTC1262 Timing Circuit
C1
C1
C2
C2
BGAP
–
+
+
–
LTC1262
– V
HYST
SHDN
.
V
GND
OUT
V
CC
8
7
6
5
LTC1262 • BD
V
V
S2
+
R1
R2
R3
SHUTDOWN
DIV
C
4.7 F
OUT
V
V
4.75V TO 5V
OUT
+
+
CC
+
SHDN
GND
V
CC
C
C
IN
OUT
C
4.7 F
IN
LTC1262 • F02
V
OUT