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LTC3450EUD#PBF

P1-P3P4-P6P7-P9P10-P12
LTC3450
10
3450fa
APPLICATIO S I FOR ATIO
WUU
U
Figure 3. Suggested Layout
TYPICAL APPLICATIO
U
CF1
0.1µF
C1
2.2µF
V
IN
1.5V TO
4.6V
D1, D2: DUAL SCHOTTKY DIODE, PANASONIC MA704WKCT
L1: SUMIDA CMD4D08-470
AV
DD
5.1V/10mA
VGH
15V/500µA
D1
D2
VGL
–15V/500µA
3450 TA02
CF3
0.1µF
CF2
0.1µF
11
10
14
13
V2X
V3X
V
INV
V
IN
MODE
SW V
OUT
V
NEG
C3
–
C3
+
LTC3450
GND
12
15
16
123
6
5
OFF ON
BLANK SCAN
L1
47µH
4
9
C2
2.2µF
0.1µF
C4
0.47µF
C6
0.1µF
C5
0.1µF
78
C1
+
C1
–
C2
+
C2
–
SHDN
5.1V, –15V, 15V Triple Output TFT-LCD Supply
V
NEG
NOTE: QFN PACKAGE EXPOSED PAD
IS CONNECTED TO THE V
NEG
PIN.
DO NOT CONNECT EXPOSED PAD TO GROUND
MODE
SHDN
3450 F03
V
OUT
GNDV
IN
V3X
JUMPER
LTC3450
11
3450fa
PACKAGE DESCRIPTIO
U
UD Package
16-Lead Plastic QFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1691)
3.00 ± 0.10
(4 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.45 ± 0.05
(4 SIDES)
NOTE:
1. DRAWING CONFORMS TO JEDEC PACKAGE OUTLINE MO-220 VARIATION (WEED-2)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.40 ± 0.10
0.23 TYP
(4 SIDES)
BOTTOM VIEW—EXPOSED PAD
1.45 ± 0.10
(4-SIDES)
0.75 ± 0.05
R = 0.115
TYP
0.25 ± 0.05
1
15 16
2
0.50 BSC
0.200 REF
2.10 ± 0.05
3.50 ± 0.05
0.70 ±0.05
0.00 – 0.05
(UD) QFN 0603
0.25 ±0.05
0.50 BSC
PACKAGE OUTLINE
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.
LTC3450
12
3450fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2003
RELATED PARTS
TYPICAL APPLICATIO
U
PART NUMBER DESCRIPTION COMMENTS
LT1310 1.5A I
SW
, 4.5MHz, V
IN
: 2.75V to 18V, V
OUT
= 35V, I
Q
= 12mA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MSE Package
LT1613 550mA I
SW
, 1.4MHz, V
IN
: 0.9V to 10V, V
OUT
= 34V, I
Q
= 3mA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter ThinSOT Package
LT1615/LT1615-1 300mA/80mA I
SW
, Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT
= 34V, I
Q
= 20µA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter ThinSOT Package
LT1940 Dual Output 1.4A I
OUT
, Constant 1.1MHz, V
IN
: 3V to 25V, V
OUT
(MIN) = 1.2V, I
Q
= 2.5mA, I
SD
= <1µA
High Efficiency Step-Down DC/DC Converter TSSOP-16E Package
LT1944 Dual Output 350mA I
SW
, Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT
= 34V, I
Q
= 20µA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MS Package
LT1944-1 Dual Output 150mA I
SW
, Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT
= 34V, I
Q
= 20µA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MS Package
LT1945 Dual Output, Pos/Neg, 350mA I
SW
, Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT
= ±34V, I
Q
= 20µA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MS Package
LT1946/LT1946A 1.5A I
SW
, 1.2MHz/2.7MHz, V
IN
: 2.45V to 16V, V
OUT
= 34V, I
Q
= 3.2mA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MS8 Package
LT1947 Triple Output ( for TFT-LCD) 1.1A I
SW
,V
IN
: 2.7V to 8V, V
OUT
= 34V, I
Q
= 9.5mA, I
SD
= <1µA
3MHz High Efficiency Step-Up DC/DC Converter MS Package
LT1949/LT1949-1 550mA I
SW
, 600kHz/1.1MHz, V
IN
: 1.5V to 12V, V
OUT
= 28V, I
Q
= 4.5mA, I
SD
= <25µA
High Efficiency Step-Up DC/DC Converter S8, MS8 Packages
LTC3400/LTC3400B 600mA I
SW
, 1.2MHz, V
IN
: 0.85V to 5V, V
OUT
= 5V, I
Q
= 19µA/300µA, I
SD
= <1µA
Synchronous Step-Up DC/DC Converter ThinSOT Package
LTC3401 1A I
SW
, 3MHz, Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 5V, V
OUT
= 5V, I
Q
= 38µA, I
SD
= <1µA, MS Package
LTC3402 2A I
SW
, 3MHz, Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 5V, V
OUT
= 5V, I
Q
= 38µA, I
SD
= <1µA, MS Package
5.1V, –5V, 15V Triple Output TFT-LCD Supply
CF1
0.1µF
C1
2.2µF
V
IN
1.5V TO
4.6V
L1: SUMIDA CMD4D08-470
AV
DD
5.1V/10mA
VGH (3 × AV
DD
)
15V/500µA
VGL
–5V/500µA
3450 TA03
CF3
0.1µF
CF2
0.1µF
11
78
10
14
13
V2X
V3X
V
INV
V
IN
MODE
SW V
OUT
V
NEG
LTC3450
GND
12
15
16
123
6
5
OFF ON
BLANK SCAN
L1
47µH
4
9
C2
2.2µF
C4
0.47µF
C6
0.1µF
C5
0.1µF
C1
+
C1
–
C2
+
C2
–
SHDN
C3
–
C3
+
LT/TP 0205 1K REV A • PRINTED IN USA
P1-P3P4-P6P7-P9P10-P12

LTC3450EUD#PBF

Mfr. #:
Buy LTC3450EUD#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 3x Out Pwr S for Small TFT-LCD Displays
Lifecycle:
New from this manufacturer.
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