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LT3509EMSE#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LT3509
22
3509fd
For more information www.linear.com/LT3509
package DescripTion
MSOP (MSE16) 0213 REV F
0.53 ±0.152
(.021 ±.006)
SEATING
PLANE
0.18
(.007)
1.10
(.043)
MAX
0.17 –0.27
(.007 – .011)
TYP
0.86
(.034)
REF
0.50
(.0197)
BSC
16
16151413121110
1 2 3 4 5 6 7 8
9
9
1
8
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
6. EXPOSED PAD DIMENSION DOES INCLUDE MOLD FLASH. MOLD FLASH ON E-PAD SHALL
NOT EXCEED 0.254mm (.010") PER SIDE.
0.254
(.010)
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
5.10
(.201)
MIN
3.20 – 3.45
(.126 – .136)
0.889 ±0.127
(.035 ±.005)
RECOMMENDED SOLDER PAD LAYOUT
0.305 ±0.038
(.0120 ±.0015)
TYP
0.50
(.0197)
BSC
BOTTOM VIEW OF
EXPOSED PAD OPTION
2.845 ±0.102
(.112 ±.004)
2.845 ±0.102
(.112 ±.004)
4.039 ±0.102
(.159 ±.004)
(NOTE 3)
1.651 ±0.102
(.065 ±.004)
1.651 ±0.102
(.065 ±.004)
0.1016 ±0.0508
(.004 ±.002)
3.00 ±0.102
(.118 ±.004)
(NOTE 4)
0.280 ±0.076
(.011 ±.003)
REF
4.90 ±0.152
(.193 ±.006)
DETAIL “B”
DETAIL “B”
CORNER TAIL IS PART OF
THE LEADFRAME FEATURE.
FOR REFERENCE ONLY
NO MEASUREMENT PURPOSE
0.12 REF
0.35
REF
MSE Package
16-Lead Plastic MSOP, Exposed Die Pad
(Reference LTC DWG # 05-08-1667 Rev F)
Please refer to http://www.linear.com/product/LT3509#packaging for the most recent package drawings.
LT3509
23
3509fd
For more information www.linear.com/LT3509
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 representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
revision hisTory
REV DATE DESCRIPTION PAGE NUMBER
C 4/10 Changed Pin Name to RT
Revised Absolute Maximum Ratings
Updated Notes and Change/Add Values in Electrical Characteristics
Revised V
alues in Typical Performance Characteristics
Revised Values in Pin Functions
Revised Values in Startup and Shutdown Section
Revised Values in Shutdown and Soft-Start, Frequency Setting Sections, and Table 1
1, 2, 6, 7, 20,
21, 24
2
3
5
6
8
9
D 01/16 Clarified Sync Pin Function Description
Clarified External Synchronization Applications Information
6
10
(Revision history begins at Rev C)
LT3509
24
3509fd
For more information www.linear.com/LT3509
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LINEAR TECHNOLOGY CORPORATION 2007
LT 0116 REV D • PRINTED IN USA
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT3509
relaTeD parTs
PART NUMBER DESCRIPTION COMMENTS
LT1766 60V, 1.2A (I
OUT
), 200kHz, High Efficiency Step-Down DC/DC Converter V
IN
: 5.5V to 60V, V
OUT
= 1.20V, I
Q
= 2.5mA, I
SD
< 25µA, TSSOP16/E
Package
LT1936 36V, 1.4A (I
OUT
) , 500kHz High Efficiency Step-Down DC/DC Converter V
IN
: 36V to 36V, V
OUT
= 1.20V, I
Q
= 1.9mA, I
SD
< 1µA, MS8E
Package
LT1939 25V, 2A, 2.5MHz High Efficiency DC/DC Converter and LDO Controller V
IN
: 3.6V to 25V, V
OUT
= 0.8V, I
Q
= 2.5µA, I
SD
< 10µA, 3mm × 3mm
DFN-10
LT1976/
LT1977
60V, 1.2A (I
OUT
), 200/500kHz, High Efficiency Step-Down
DC/DC Converter with Burst Mode
®
Operation
V
IN
: 3.3V to 60V, V
OUT
= 1.20V, I
Q
= 100µA, I
SD
< 1µA, TSSOP16E
Package
LT3434/
LT3435
60V, 2.4A (I
OUT
), 200/500kHz, High Efficiency Step-Down
DC/DC Converter with Burst Mode Operation
V
IN
: 3.3V to 60V, V
OUT
= 1.20V, I
Q
= 100µA, I
SD
< 1µA, TSSOP16E
Package
LT3437 60V, 400mA (I
OUT
), MicroPower Step-Down DC/DC Converter
with Burst Mode Operation
V
IN
: 3.3V to 60V, V
OUT
= 1.25V, I
Q
= 100µA, I
SD
< 1µA, 3mm × 3mm
DFN-10, TSSOP-16E Package
LT3480 36V with Transient Protection to 60V
, 2A (I
OUT
), 2.4MHz, High
Efficiency Step-Down DC/DC Converter with Burst Mode Operation
V
IN
: 3.6V to 38V, V
OUT
= 0.78V, I
Q
= 70µA, I
SD
< 1µA, 3mm × 3mm
DFN-10, MSOP-10E Package
LT3481 34V with Transient Protection to 36V
, 2A (I
OUT
), 2.8MHz, High
Efficiency Step-Down DC/DC Converter with Burst Mode Operation
V
IN
: 3.6V to 34V, V
OUT
= 1.26V, I
Q
= 50µA, I
SD
< 1µA, 3mm × 3mm
DFN-10, MSOP-10E Package
LT3493 36V, 1.4A(I
OUT
), 750kHz High Efficiency Step-Down DC/DC
Converter
V
IN
: 36V to 36V, V
OUT
= 0.8V, I
Q
= 1.9mA, I
SD
< 1µA, 2mm × 3mm
DFN-6 Package
LT3500 36V, 40Vmax, 2A, 2.5MHz High Efficiency DC/DC Converter
and LDO Controller
V
IN
: 3.6V to 36V, V
OUT
= 0.8V, I
Q
= 2.5mA, I
SD
< 10µA, 3mm × 3mm
DFN-10
LT3501 25V, Dual 3A (I
OUT
), 1.5MHz High Efficiency Step-Down
DC/DC Converter
V
IN
: 3.3V to 25V, V
OUT
= 0.8V, I
Q
= 3.7mA, I
SD
= 10µA, TSSOP-20E
Package
LT3505 36V with Transient Protection to 40V, 1.4A (I
OUT
), 3MHz,
High Efficiency Step-Down DC/DC Converter
V
IN
: 3.6V to 34V, V
OUT
= 0.78V, I
Q
= 2mA, I
SD
< 2µA, 3mm × 3mm
DFN-8, MSOP-8E Package
LT3506/
LT3506A
25V, Dual 1.6A (I
OUT
), 575kHz,/1.1MHz High Efficiency
Step-Down DC/DC Converter
V
IN
: 3.6V to 25V, V
OUT
= 0.8V, I
Q
= 3.8mA, I
SD
= 30µA, 5mm × 4mm
DFN-16 TSSOP-16E Package
LT3507 36V 2.5MHz, Triple (2.4A + 1.5A + 1.5A (I
OUT
)) with LDO
Controller High Efficiency Step-Down DC/DC Converter
V
IN
: 4V to 36V, V
OUT
= 0.8V, I
Q
= 7mA, I
SD
= 1µA, 5mm × 7mm
QFN-38
LT3508 36V with Transient Protection to 40V
, Dual 1.4A (I
OUT
), 3MHz,
High Efficiency Step-Down DC/DC Converter
V
IN
: 3.7V to 37V, V
OUT
= 0.8V, I
Q
= 4.6mA, I
SD
= 1µA, 4mm × 4mm
QFN-24, TSSOP-16E Package
LT3510 25V, Dual 2A (I
OUT
), 1.5MHz High Efficiency Step-Down
DC/DC Converter
V
IN
: 3.3V to 25V, V
OUT
= 0.8V, I
Q
= 3.7mA, I
SD
= 10µA, TSSOP-20E
Package
LT3684 34V with Transient Protection to 36V, 2A (I
OUT
), 2.8MHz,
High Efficiency Step-Down DC/DC Converter
V
IN
: 3.6V to 34V, V
OUT
= 1.26V, I
Q
= 850µA, I
SD
< 1µA, 3mm × 3mm
DFN-10, MSOP-10E Package
LT3685 36V with Transient Protection to 60V
, 2A (I
OUT
), 2.4MHz,
High Efficiency Step-Down DC/DC Converter
V
IN
: 3.6V to 38V, V
OUT
= 0.78V, I
Q
= 70µA, I
SD
< 1µA, 3mm × 3mm
DFN-10, MSOP-10E Package
3509 TA02
LT3509
GND
RTSYNC
DA1
FB1
RUN/SS1
DA2
FB2
RUN/SS2
BDV
IN
BOOST2BOOST1
SW2SW1
MBRM140
MBRM140
4.7µH
0.1µF
0.1µF
2.2µF
6.8µH
V
OUT
5V
0.7A
V
OUT
3.3V
0.7A
10µF
22nF
10k
16.9k
52.3k
31.6k
10µF
22nF
10k
V
IN
6.5V TO 16V
(TRANSIENT TO 60V)
f
SW
= 2MHz
2MHz, 5V and 3.3V Outputs
Typical applicaTions
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LT3509EMSE#PBF

Mfr. #:
Buy LT3509EMSE#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Dual Integrated 700mA Wide Input Rane Step-Down Regulator
Lifecycle:
New from this manufacturer.
Delivery:
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