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LT3581IMSE#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36
LT3581
34
3581fb
For more information www.linear.com/LT3581
DE Package
14-Lead Plastic DFN (4mm × 3mm)
(Reference LTC DWG # 05-08-1708 Rev B)
3.00 ±0.10
(2 SIDES)
4.00 ±0.10
(2 SIDES)
NOTE:
1. DRAWING PROPOSED TO BE MADE VARIATION OF VERSION (WGED-3) IN JEDEC
PACKAGE OUTLINE MO-229
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
0.40 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.70 ± 0.10
0.75 ±0.05
R = 0.115
TYP
R = 0.05
TYP
3.00 REF
1.70 ± 0.05
17
148
PIN 1
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
(DE14) DFN 0806 REV B
PIN 1 NOTCH
R = 0.20 OR
0.35 × 45°
CHAMFER
3.00 REF
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
2.20 ±0.05
0.70 ±0.05
3.60
±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
0.25 ± 0.05
0.50 BSC
3.30 ±0.05
3.30 ±0.10
0.50 BSC
PACKAGE DESCRIPTION
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
LT3581
35
3581fb
For more information www.linear.com/LT3581
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
A 11/13 Added H-grade to Absolute Maximum Ratings table and Order Information table
Clarified Electrical Characteristics
2
4
B 07/14 Clarified FAULT Output Voltage Low on Electrical Characteristics table, Typ was 150, changed to 100 4
LT3581
36
3581fb
For more information www.linear.com/LT3581
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LINEAR TECHNOLOGY CORPORATION 2010
LT 0714 REV B • PRINTED IN USA
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT3581
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PART NUMBER DESCRIPTION COMMENTS
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= 34V, I
Q
= 3.2mA, I
SD
< 1µA,
MS8E Package
LT1935 2A (I
SW
), 40V, 1.2MHz, High Efficiency Step-Up DC/DC Converter V
IN
= 2.3V to 16V, V
OUT(MAX)
= 40V, I
Q
= 3mA, I
SD
< 1µA,
ThinSOT Package
LT1310 2A (I
SW
), 40V, 1.2MHz, High Efficiency Step-Up DC/DC Converter V
IN
= 2.3V to 16V, V
OUT(MAX)
= 40V, I
Q
= 3mA, I
SD
< 1µA,
ThinSOT Package
LT3436 3A (I
SW
), 800kHz, 34V Step-Up DC/DC Converter V
IN
= 3V to 25V, V
OUT(MAX)
= 34V, I
Q
= 0.9mA, I
SD
< 6µA,
TSSOP-16E Package
TYPICAL APPLICATION
5V to –12V Inverting Converter Switches at 2MHz
V
IN
5V
100k
143k
43.2k
C1
3.3µF
1nF
3581 TA05a
0.1µF
C3
4.7µF
11k
V
OUT
–12V
625mA
C2
1µF
SW1 SW2
FB
CLKOUT
GATE
V
C
SS
V
IN
RT
GND
SYNC
FAULT
SHDN
LT3581
47pF
C1: 3.3µF, 16V, X7R, 1206
C2: 1µF, 25V, X7R, 1206
C3: 4.7µF, 25V, X7R, 1206
D1: DIODES INC. PD3S230H-7
L1, L2: COILCRAFT MSD7342-332MLB
L2
3.3µH
D1
L1
3.3µH
•
•
Efficiency and Power Loss
50
55
65
70
75
90
60
80
85
LOAD CURRENT (mA)
0
EFFICIENCY (%)
POWER LOSS (mW)
250
3581 TA05b
125 625500375
0
200
600
2000
1200
1400
1600
1800
400
800
1000
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LT3581IMSE#TRPBF

Mfr. #:
Buy LT3581IMSE#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 3A Boost/Inverting DC/DC Converter with Fault Protection
Lifecycle:
New from this manufacturer.
Delivery:
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