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LT1768CGN#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
LT1768
19
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
PACKAGE DESCRIPTIO
U
GN16 (SSOP) 1098
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
12
3
4
5
6
7
8
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
16
15
14
13
0.189 – 0.196*
(4.801 – 4.978)
12 11 10
9
0.016 – 0.050
(0.406 – 1.270)
0.015
± 0.004
(0.38 ± 0.10)
× 45°
0° – 8° TYP
0.007 – 0.0098
(0.178 – 0.249)
0.053 – 0.068
(1.351 – 1.727)
0.008 – 0.012
(0.203 – 0.305)
0.004 – 0.0098
(0.102 – 0.249)
0.0250
(0.635)
BSC
0.009
(0.229)
REF
GN Package
16-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
LT1768
20
PART NUMBER DESCRIPTION COMMENTS
LT1170 Current Mode Switching Regulator 5.0A, 100kHz
LT1182/LT1183 CCFL/LCD Contrast Switching Regulators 3V ≤ V
IN
≤ 30V, CCFL Switch: 1.25A, LCD Switch: 625mA,
Open Lamp Protection, Positive or Negative Contrast
LT1184 CCFL Current Mode Switching Regulator 1.25A, 200kHz
LT1186 CCFL Current Mode Switching Regulator 1.25A, 100kHz, SMBus Interface
LT1372 500kHz, 1.5A Switching Regulator Small 4.7µH Inductor, Only 0.5 Square Inch of PCB
LT1373 250kHz, 1.5A Switching Regulator 1mA I
Q
at 250kHz, Regulates Positive or Negative Outputs
LT1786F SMBus Controlled CCFL Switching Regulator Precision 100µA Full Scale Current DAC
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2000
sn1768 1768fs LT/TP 0901 2K • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
U
4 Watt Single Lamp CCFL Supply
1768 TA09
C7
0.33µF
R7
499Ω
R6
0.05Ω
Q1A
ZDT1048
Q1B
ZDT1048
L1
33µH
T1
CTX110607
C9
33pF
X1
C5
0.1µF
C1
33µF
Q2
Si3456DV
D2
MBRS130LT3
LAMP
R3
61.9k
R1
49.9k
R2
39.2k
R5
124k
R4
31.6k
C3
0.22µF
C4
10µF
C2
0.047µF
V
IN
= 9V TO 24V
PROG
0V TO 5V OR
1kHz PWM
C6
1µF
LT1768
DI02
PGND GATE
V
C
AGND
C
T
PROG
DI01
SENSE
SHDN
R
MIN
R
MAX
PWM
FAULT
SHUTDOWN
FAULT
V
REF
V
IN
5V
15
161
12
11
10
9
14
13
5
6
7
8
4
3
2
C8
1000pF
R2
100Ω
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LT1768CGN#TRPBF

Mfr. #:
Buy LT1768CGN#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Hi Pwr CCFL Cntr for Wide Dimming Rng &
Lifecycle:
New from this manufacturer.
Delivery:
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