LTC1262CN8 Linear Technology, LTC1262CN8 Datasheet - Page 4

• Manufacturer Part Number: LTC1262CN8
• Description: IC DC/DC CONV FLASH MEM 12V 8DIP
• Manufacturer: Linear Technology

Specifications of LTC1262CN8

• Applications: Converter, Programming Supply
• Voltage - Input: 4.75 ~ 5.5 V
• Number Of Outputs: 1
• Voltage - Output: 12V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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