LT3684
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
IN
, RUN/SS Voltage .................................................36V
BOOST Pin Voltage ...................................................56V
BOOST Pin Above SW Pin.........................................30V
FB, RT, V
C
Voltage .......................................................5V
BIAS, PG, BD Voltage ................................................30V
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2)
LT3684E............................................... –40°C to 85°C
LT3684I ............................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
(MSE Only) ....................................................... 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
TOP VIEW
BD
BOOST
SW
V
IN
RUN/SS
1
2
3
4
5
11
10 RT
9 V
C
8 FB
7 BIAS
6 PG
BD
BOOST
SW
V
IN
RUN/SS
1
2
3
4
5
10
9
8
7
6
RT
V
C
FB
BIAS
PG
11
MSE PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C,
θ
JA
= 45°C/W,
θ
JC
= 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
DD PACKAGE
10-LEAD (3mm
×
3mm) PLASTIC DFN
T
JMAX
= 125°C,
θ
JA
= 45°C/W,
θ
JC
= 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER
LT3684EDD
LT3684IDD
DD PART MARKING*
LCVT
LCVT
ORDER PART NUMBER
LT3684EMSE
LT3684IMSE
MSE PART MARKING*
LTCVS
LTCVS
Order Options
Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
ELECTRICAL CHARACTERISTICS
PARAMETER
Minimum Input Voltage
Quiescent Current from V
IN
The
●
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 10V, V
RUNS/SS
= 10V, V
BOOST
= 15V, V
BIAS
= 3.3V unless otherwise
noted. (Note 2)
CONDITIONS
●
MIN
TYP
3
0.01
0.4
1.2
0.01
MAX
3.6
0.5
0.8
2.0
0.5
1.5
0.1
UNITS
V
µA
mA
mA
µA
mA
mA
V
RUN/SS
= 0.2V
V
BIAS
= 3V, Not Switching
V
BIAS
= 0, Not Switching
●
Quiescent Current from BIAS
V
RUN/SS
= 0.2V
V
BIAS
= 3V, Not Switching
V
BIAS
= 0, Not Switching
●
0.85
0
3684f
2
LINER [ LINEAR TECHNOLOGY ]
