LTC1262IS8 Linear Technology, LTC1262IS8 Datasheet - Page 3

• Manufacturer Part Number: LTC1262IS8
• Description: IC DC/DC CONV FLASHMEM 12V 8SOIC
• Manufacturer: Linear Technology

Specifications of LTC1262IS8

• Applications: Converter, Programming Supply
• Voltage - Input: 4.75 ~ 5.5 V
• Number Of Outputs: 1
• Voltage - Output: 12V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PI FU CTIO S
C1
tor C1 between C1
C1
tor C1 between C1
C2
tor C2 between C2
C2
tor C2 between C2
V
TYPICAL PERFORMANCE CHARACTERISTICS
CC
5.5V. Connect a 4.7 F bypass capacitor C
+
–
+
U
–
(Pin 4): C2 Positive Input. Connect a 0.22 F capaci-
(Pin 1): C1 Negative Input. Connect a 0.22 F capaci-
(Pin 2): C1 Positive Input. Connect a 0.22 F capaci-
(Pin 3): C2 Negative Input. Connect a 0.22 F capaci-
(Pin 5): Positive Supply Input Where 4.75V
U
600
580
560
540
520
500
480
85
80
75
70
65
60
55
4.5
0
Efficiency vs Output Current
Supply Current vs Supply Voltage
+
+
+
+
and C1
and C1
and C2
and C2
U
4.75
10
OUTPUT CURRENT (mA)
SUPPLY VOLTAGE (V)
V
V
5.0
CC
V
CC
W
CC
–
–
–
–
= 4.75V
20
.
= 5.5V
.
.
.
T
= 5V
A
5.25
= 70 C
U
T
30
T
A
A
= 25 C
5.5
= 0 C
40
I
OUT
5.75
LTC1262 G01
LTC1262 G03
= 0
IN
to ground.
50
6.0
V
CC
V
tor C
V
GND (Pin 7): Ground.
SHDN (Pin 8): Logic Level Shutdown Pin. Application of a
logic low at SHDN pin will place the regulator in normal
operation. With no external connection, or with SHDN tied
to V
to GND for normal operation. In shutdown mode the
charge pump is turned off and V
OUT
CC
.
CC
OUT
(Pin 6): 12V Output. Connect a 4.7 F bypass capaci-
, the device will be put into shutdown mode. Connect
12.2
12.0
11.8
11.6
11.4
11.2
11.0
10.8
10.6
10.4
10.2
to ground. When in the shutdown mode V
3.6
3.0
2.4
1.8
1.2
0.6
0
–50
Output Voltage vs Output Current
0
Shutdown Supply Current
vs Temperature
V
CC
5
–25
= 5V
10 15 20 25 30 35 40 45 50
OUTPUT CURRENT (mA)
TEMPERATURE ( C)
0
V
CC
25
= 4.75V
V
CC
= 5.5V
V
CC
50
= 5V
OUT
75
LTC1262 G02
= V
1262 G04
CC
100
LTC1262
.
OUT
3
=