LT3724
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
TOP VIEW
V
IN
NC
SHDN
C
SS
BURST_EN
V
FB
V
C
SGND
1
2
3
4
5
6
7
8
17
16 BOOST
15 TG
14 SW
13 NC
12 V
CC
11 PGND
10 SENSE
+
9
SENSE
–
Input Supply Voltage (V
IN
) ......................... 65V to –0.3V
Boosted Supply Voltage (BOOST) .............. 80V to –0.3V
Switch Voltage (SW)(Note 8) ........................ 65V to –1V
Differential Boost Voltage
(BOOST to SW)...................................... 24V to –0.3V
Bias Supply Voltage (V
CC
) .......................... 24V to –0.3V
SENSE
+
and SENSE
–
Voltages ................... 40V to –0.3V
(SENSE
+
to SENSE
–
)................................... 1V to –1V
BURST_EN Voltage .................................... 24V to –0.3V
V
C
, V
FB
, C
SS
, and
SHDN
Voltages................. 5V to –0.3V
C
SS
and
SHDN
Pin Currents .....................................1mA
Operating Junction Temperature Range (Notes 2, 3)
LT3724E ............................................. –40°C to 125°C
LT3724I .............................................. –40°C to 125°C
LT3724MP.......................................... –55°C to 125°C
Storage Temperature.............................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
FE PACKAGE
16-LEAD PLASTIC TSSOP
T
JMAX
= 125°C,
θ
JA
= 40°C/W,
θ
JC
= 10°C/W
EXPOSED PAD IS SGND (PIN 17), MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3724EFE#PBF
LT3724IFE#PBF
LEAD BASED FINISH
LT3724MPFE
TAPE AND REEL
LT3724EFE#TRPBF
LT3724IFE#TRPBF
TAPE AND REEL
LT3724MPFE#TR
PART MARKING
3724EFE
3724IFE
PART MARKING*
3724MPFE
PACKAGE DESCRIPTION
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
PACKAGE DESCRIPTION
16-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
TEMPERATURE RANGE
–55°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 20V, V
CC
= BOOST = BURST_EN = 10V,
SHDN
= 2V,
SENSE
–
= SENSE
+
= 10V, SGND = PGND = SW = 0V, unless otherwise noted.
SYMBOL
V
IN
PARAMETER
Operating Voltage Range (Note 4)
Minimum Start Voltage
UVLO Threshold (Falling)
UVLO Threshold Hysteresis
V
IN
Supply Current
V
IN
Burst Mode Current
V
IN
Shutdown Current
V
CC
> 9V
V
BURST_EN
= 0V, V
FB
= 1.35V
V
SHDN
= 0V
CONDITIONS
l
l
l
ELECTRICAL CHARACTERISTICS
MIN
4
7.5
3.65
TYP
MAX
60
UNITS
V
V
V
mV
µA
µA
µA
3724fd
3.8
670
20
20
10
3.95
I
VIN
15
2
LINER [ LINEAR TECHNOLOGY ]
