lt3686a Linear Technology Corporation, lt3686a Datasheet - Page 2

• Manufacturer Part Number: lt3686a
• Description: 37v/1.2a Step-down Regulator In 3mm
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
LT3686A
(Note 1)
Input Voltage (V
BOOST Voltage .........................................................55V
BOOST Pin Above SW Pin .........................................25V
FB Voltage ...................................................................6V
EN/UVLO Voltage (Note 7) ........................................60V
BD Voltage ................................................................25V
RT Voltage...................................................................6V
SS Voltage ...............................................................2.5V
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LT3686AEDD#PBF
LT3686AIDD#PBF
LT3686AEMSE#PBF
LT3686AIMSE#PBF
LT3686AHMSE#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
*For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
2
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
IN
10-LEAD (3mm × 3mm) PLASTIC DFN
V
BD
SS
RT
FB
) (Note 7) ......................................60V
IN
1
2
3
4
5
TAPE AND REEL
LT3686AEDD#TRPBF
LT3686AIDD#TRPBF
LT3686AEMSE#TRPBF
LT3686AIMSE#TRPBF
LT3686AHMSE#TRPBF
DD PACKAGE
TOP VIEW
JA
GND
11
= 43°C/W
10
9
8
7
6
SW
DA
BOOST
SYNC/MODE
EN/UVLO
http://www.linear.com/leadfree/
PART MARKING*
LFRK
LFRK
3686A
3686A
3686A
http://www.linear.com/tapeandreel/
SYNC/MODE Voltage ...................................................6V
Operating Junction Temperature Range (Note 2)
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (MSE Package Only,
Soldering, 10 Sec) ................................................ 300°C
LT3686AE ........................................... –40°C to 125°C
LT3686AI............................................ –40°C to 125°C
LT3686AH .......................................... –40°C to 150°C
PACKAGE DESCRIPTION
10-Lead Plastic DFN
10-Lead Plastic DFN
12-Lead Plastic eMSOP
12-Lead Plastic eMSOP
12-Lead Plastic eMSOP
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
GND
V
BD
SS
RT
FB
IN
12-LEAD PLASTIC eMSOP
1
2
3
4
5
6
JA
= 40°C/W,
MSE PACKAGE
TOP VIEW
GND
13
JC
= 10°C/W
12
11
10
9
8
7
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
SW
SW
DA
BOOST
SYNC/MODE
EN/UVLO
3686af