LTC1697
1697f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 1004 1K • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATIO
U
PART NUMBER DESCRIPTION COMMENTS
LT1170/LT1170HV 5A, 100kHz High Efficiency Switching Regulator V
IN
: 3V to 40V/60V, V
OUT(MAX)
= 65V/75V, I
Q
= 6mA,
I
SD
= <50µA, N8, S16, TO220-5, DD Packages
LT1182/LT1183 CCFL/LCD Contrast Switching Regulators, CCFL V
IN
: 3V to 30V, V
OUT(MAX)
= 60V, I
Q
= 6mA, I
SD
= 35µA,
Switch: 1.25A, LCD Switch: 625mA SO-16 Package
LT1184/LT1184F 1.25A, 200kHz, CCFL Current Mode Switching Regulator V
IN
: 3V to 30V, V
OUT(MAX)
= 60V, I
Q
= 6mA, I
SD
= 35µA,
SO-16 Package
LT1186/LT1186F 1.25A, 100kHz, DAC Programmable CCFL V
IN
: 4.5V to 30V, V
OUT(MAX)
= 60V, I
Q
= 6mA, I
SD
= 35µA
Current Mode Switching Regulator SO-16 Package
LT1372/LT1372HV/ 1.5A, 500kHz/1MHz, High Efficiency Switching Regulator V
IN
: 2.7V to 30V, V
OUT(MAX)
= 35V, I
Q
= 4mA, I
SD
= <12µA
LT1377 N8, S8 Packages
LT1373/LT1373HV 1.5A, 250kHz High Efficiency Switching Regulator V
IN
: 0.5V to 5V, V
OUT(MAX)
= 35V, I
Q
= 1mA, I
SD
= <12µA
can Regulate Positive or Negative Outputs N8, S8 Packages
LT1768 High Power CCFL Controller for Wide Dimming Range V
IN
: 8V to 24V, V
OUT(MAX)
= 28V, I
Q
= 7mA, I
SD
= 65µA
and Maximum Lamp Lifetime SSOP-16 Package
LT1786F 1.25A, 200kHz, SMBus Controlled CCFL Switching Regulator V
IN
: 4.5V to 30V, V
OUT(MAX)
= 60V, I
Q
= 6mA, I
SD
= 150µA
Precision 100mA Full Scale Current SO-16 Package
External PWM Dimming
V
IN
SW 0V
SEN
SHDN
V
DIM
C
DIM
R
PROG
LAMP
V
C
LTC1697
GND
8.25k
C4
0.1µF
C1
10µF
T1
R1
330Ω
65
110234
C2
0.15µF
Q1 Q2
L1
33µH
CCFL
LAMP
200k
V
IN
2.8V TO 5.5V
Li-Ion
CELL
1697 TA02
C3
27pF
1kV
C1: TAIYO YUDEN JMK212BJ106MM
C2: PANASONIC ECH-U1H154JC9
L1:SUMIDA CDRH6D28-330NC
+
OFF ON
Q1, Q2: ZETEX FMMT-617
R1: 330Ω,1206 PKG
T1: SUMIDA CLQ122-S-227-5316
1V TO 2V
0V
150Hz TO
500Hz
