LT1301I LINER [Linear Technology], LT1301I Datasheet - Page 9

• Manufacturer Part Number: LT1301I
• Description: Micropower High Efficiency 5V/12V Step-Up DC/DC Converter for Flash Memory
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
2V - 6V
V
IN
T1 = COILTRONICS CTX110654-1
L1 = COILCRAFT D03316-473
0.1µF
SHUTDOWN
NC
1.8V TO 6V
SENSE
SHDN
GND
V
V
IN
IN
1
LT1301
+
U
100µF
T1 = DALE LPE-5047-AO45 [phone]
SELECT
PGND
I
SW
LIM
NC
NC
N
PGND
SENSE
SELECT
V
Low-Voltage CCFL Power Supply
IN
100µA TO 2mA BULB CURRENT
+
LT1301
1µF
INTENSITY ADJUST
LCD Contrast Supply
1N5817
0 - 5V
10
SHDN
47µH
GND
1
SW
L1
I
DC
LIM
7.5K
1%
IN
T1
SHUTDOWN
4
7
3
8
2
9
2N3904
120
1N5819
CMOS DRIVE 0V TO 5V
0% TO 100%
1
PWM IN
ZTX849
150K
12K
12K
TI
5
1N4148
4
+
+
WIMA
MKP20
+
0.068µF
2.2µF
22µF
35V
CONTRAST
V OUT –4V TO –29V 12mA
MAXIMUM FROM 1.8V SUPPLY
(77% EFFICIENT)
20mA MAXIMUM FROM
3V SUPPLY (83% EFFICIENT)
10µF
9
3
LT1300 TA5
7
2
ZTX849
LT1300 TA6
22pF
3kV
LT1301
CCFL
9