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LT8614EUDC#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LT8614
22
8614fc
For more information www.linear.com/LT8614
PACKAGE DESCRIPTION
3.00 ±0.10
1.50 REF
4.00 ±0.10
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
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. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 5)
0.40 ±0.10
PIN 1 ID
0.12 × 45°
0.356 ±0.05
0.220 ±0.05
0.400 ±0.05
0.770
BSC
0.770
BSC
1
2
BOTTOM VIEW—EXPOSED PAD
2.50 REF
2.127
±0.10
0.75 ±0.05
R = 0.110
TYP
0.25 ±0.05
0.50 BSC
0.200 REF
0.00 – 0.05
(UDC18) QFN 1213 REV B
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.70 ±0.05
0.25 ±0.05
2.50 REF
3.10 ±0.05
4.50 ±0.05
1.50 REF
0.356 ±0.05
0.055 BSC
0.400 ±0.05
0.220 ±0.05
2.10 ±0.05
3.50 ±0.05
PACKAGE OUTLINE
0.50 BSC
UDC Package
18-Lead Plastic QFN (3mm × 4mm)
(Reference LTC DWG # 05-08-1956 Rev B)
Exposed Pad Variation AA
Please refer to http://www.linear.com/product/LT8614#packaging for the most recent package drawings.
LT8614
23
8614fc
For more information www.linear.com/LT8614
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 03/14 Clarified package description.
Clarified Applications Information.
Clarified applications components.
Clarified rev of package drawing.
Clarified Related Parts list.
2
13
20, 21, 24
22
24
B 05/15 Added H- Grade version 2, 3
C 08/16 Clarified Order Information
Clarified Minimum On-Time Condition
Clarified RT Programming Switching Frequency Graph
Clarified Bias Pin Description
Clarified Components on Typical Applications
2
3
7
9
20, 21
LT8614
24
8614fc
For more information www.linear.com/LT8614
LINEAR TECHNOLOGY CORPORATION 2013
LT 0816 REV C • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT8614
RELATED PARTS
TYPICAL APPLICATIONS
PART NUMBER DESCRIPTION COMMENTS
LT8610 42V, 2.5A, 96% Efficiency, 2.2MHz Synchronous Micropower
Step-Down DC/DC Converter with I
Q
= 2.5µA
V
IN
: 3.4V to 42V, V
OUT(MIN)
= 0.97V, I
Q
= 2.5µA,
I
SD
< 1µA, MSOP-16E Package
LT8610A/LT8610AB 42V, 3.5A, 96% Efficiency, 2.2MHz Synchronous Micropower
Step-Down DC/DC Converter with I
Q
= 2.5µA
V
IN
: 3.4V to 42V, V
OUT(MIN)
= 0.97V, I
Q
= 2.5µA,
I
SD
< 1µA, MSOP-16E Package
LT8611 42V, 2.5A, 96% Efficiency, 2.2MHz Synchronous Micropower
Step-Down DC/DC Converter with I
Q
= 2.5µA and Input/Output
Current Limit/Monitor
V
IN
: 3.4V to 42V, V
OUT(MIN)
= 0.97V, I
Q
= 2.5µA,
I
SD
< 1µA, 3mm × 5mm QFN-24 Package
LT8612 42V, 6A, 96% Efficiency, 2.2MHz Synchronous Micropower
Step-Down DC/DC Converter with I
Q
= 3µA
V
IN
: 3.4V to 42V, V
OUT(MIN)
= 0.97V, I
Q
= 2.5µA,
I
SD
< 1µA, 3mm × 6mm QFN Package
LT3971 38V, 1.2A, 2.2MHz High Efficiency Micropower Step-Down DC/DC
Converter with I
Q
= 2.8µA
V
IN
: 4.2V to 38V, V
OUT(MIN)
= 1.21V, I
Q
= 2.8µA,
I
SD
< 1µA, 3mm × 3mm DFN-10 and MSOP-10E Packages
LT3991 55V, 1.2A, 2.2MHz High Efficiency Micropower Step-Down DC/DC
Converter with I
Q
= 2.8µA
V
IN
: 4.2V to 55V, V
OUT(MIN)
= 1.21V, I
Q
= 2.8µA,
I
SD
< 1µA, 3mm × 3mm DFN-10 and MSOP-10E Packages
LT3970 40V, 350mA, 2.2MHz High Efficiency Micropower Step-Down DC/DC
Converter with I
Q
= 2.5µA
V
IN
: 4.2V to 40V, V
OUT(MIN)
= 1.21V, I
Q
= 2.5µA,
I
SD
< 1µA, 3mm × 2mm DFN-10 and MSOP-10 Packages
LT3990 62V, 350mA, 2.2MHz High Efficiency MicroPower Step-Down DC/DC
Converter with I
Q
= 2.5µA
V
IN
: 4.2V to 62V, V
OUT(MIN)
= 1.21V, I
Q
= 2.5µA,
I
SD
< 1µA, 3mm × 3mm DFN-10 and MSOP-6E Packages
12V, 4A Step-Down Converter
2MHz 1.8V, 4A Step-Down Converter
V
IN2
V
IN1
EN/UV
PG
LT8614
8614 TA04
BST
SYNC/MODE SW
TR/SS BIAS
INTV
CC
FB
RT GND
0.1µF
4.7pF
47µF
1210
X5R/X7R
1M
V
OUT
12V
4A
1µF
0603
1µF
0603
4.7µF
V
IN
12.8V TO 42V
10nF
41.2k
1µF
4.7µH
88.7k
GND2GND1
f
SW
= 1MHz
L: IHLP2525CZ-01
V
IN2
V
IN1
EN/UV
PG
LT8614
8614 TA07
BST
SYNC/MODE SW
TR/SS BIAS
INTV
CC
FB
RT GND
0.1µF
EXTERNAL
SOURCE >3.1V
OR GND
100µF
1210
X5R
10pF
866k
V
OUT
1.8V
4A
1µF
0603
1µF
0603
4.7µF
V
IN
3.4V TO 22V
(42V TRANSIENT)
10nF
18.2k
1µF
1µH
1M
GND2GND1
f
SW
= 2MHz
L: IHLP2020CZ-01
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LT8614EUDC#PBF

Mfr. #:
Buy LT8614EUDC#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 42V, 4A Synchronous Step-Down SILENT SWITCHER with 2.5 A Quiescent Current
Lifecycle:
New from this manufacturer.
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