lt3685emse-trpbf Linear Technology Corporation, lt3685emse-trpbf Datasheet - Page 2

• Manufacturer Part Number: lt3685emse-trpbf
• Description: 38v, 2a, 2.4mhz Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
LT3685
(Note 1)
V
BOOST Pin Voltage ...................................................56V
BOOST Pin Above SW Pin .........................................30V
FB, RT, V
PG, BD, SYNC Voltage ..............................................30V
PIN CONFIGURATION
LEAD FREE FINISH
LT3685EDD#PBF
LT3685IDD#PBF
LT3685EMSE#PBF
LT3685IMSE#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
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:
temperature range, otherwise specifi cations are at T
noted. (Note 2)
PARAMETER
Minimum Input Voltage
V
Quiescent Current from V
2
IN
IN
Overvoltage Lockout
, RUN/SS Voltage (Note 5) ...................................60V
C
Voltage .......................................................5V
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
RUN/SS
BOOST
10-LEAD (3mm × 3mm) PLASTIC DFN
SW
V
BD
IN
IN
JA
1
2
3
4
5
TAPE AND REEL
LT3685EDD#TRPBF
LT3685IDD#TRPBF
LT3685EMSE#TRPBF
LT3685IMSE#TRPBF
= 45°C/W,
DD PACKAGE
TOP VIEW
11
JC
= 10°C/W
10
9
8
7
6
R
V
FB
PG
SYNC
C
T
CONDITIONS
V
V
V
http://www.linear.com/leadfree/
RUN/SS
BD
BD
PART MARKING
LCYG
LCYG
LTCYF
LTCYF
http://www.linear.com/tapeandreel/
A
= 3V, Not Switching
= 0, Not Switching
= 25°C. V
= 0.2V
The
●
IN
denotes the specifi cations which apply over the full operating
= 10V, V
Operating Junction Temperature Range (Note 2)
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
LT3685E ............................................. –40°C to 125°C
LT3685I ............................................. –40°C to 125°C
(MSE Only) ....................................................... 300°C
RUN/SS
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
= 10V, V
RUN/SS
BOOST
SW
V
BOOST
BD
IN
10-LEAD PLASTIC MSOP
JA
1
2
3
4
5
= 45°C/W,
= 15V, V
MSE PACKAGE
●
●
●
TOP VIEW
11
JC
MIN
38
BD
= 10°C/W
= 3.3V unless otherwise
10
9
8
7
6
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
41.5
0.01
TYP
450
R
V
FB
PG
SYNC
1.3
3
C
T
MAX
600
3.6
0.5
1.7
45
UNITS
3685f
μA
μA
μA
V
V