Datasheet

LTC3824
2
3824fg
pin conFiguraTionabsoluTe MaxiMuM raTings
V
CC
........................................................................... 65V
SS, R
SET
, V
FB
.............................................................4V
V
C
...............................................................................3V
SYNC/MODE ...............................................................6V
V
CC
– V
SENSE
..............................................................1V
Operating Junction Temperature Range
(Note 2) .................................................. –55°C to 150°C
Storage Temperature Range ..................... –65° to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
1
2
3
4
5
GND
SYNC/MODE
R
SET
V
C
V
FB
10
9
8
7
6
11
CAP
GATE
V
CC
SENSE
SS
TOP VIEW
MSE PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 150°C, θ
JA
= 43°C/W, θ
JC
= 3°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3824EMSE#PBF LTC3824EMSE#TRPBF LTBRZ 10-Lead Plastic MSOP –40°C to 125°C
LTC3824IMSE#PBF LTC3824IMSE#TRPBF LTCGZ 10-Lead Plastic MSOP –40°C to 125°C
LTC3824HMSE#PBF LTC3824HMSE#TRPBF LTCGZ 10-Lead Plastic MSOP –40°C to 150°C
LTC3824MPMSE#PBF LTC3824MPMSE#TRPBF LTCGZ 10-Lead Plastic MSOP –55°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3824EMSE LTC3824EMSE#TR LTBRZ 10-Lead Plastic MSOP –40°C to 125°C
LTC3824IMSE LTC3824IMSE#TR LTCGZ 10-Lead Plastic MSOP –40°C to 125°C
LTC3824HMSE LTC3824HMSE#TR LTCGZ 10-Lead Plastic MSOP –40°C to 150°C
LTC3824MPMSE LTC3824MPMSE#TR LTCGZ 10-Lead Plastic MSOP –55°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
elecTrical characTerisTics
The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T
A
= 25°C (Note 2). V
CC
= 12V, R
SET
= 392k, C
CAP
= 0.1µF. No load on any
outputs, unless otherwise specified.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Supply Voltage (V
CC
)
l
4 60 V
Supply Current (I
VCC
) V
C
≤ 0.4V (Switching Off), V
CC
≤ 60V
V
SYNC
= 0V (Burst Mode Operation Disable)
0.8 1.3 mA
Supply Current (I
VCC
) Burst Mode Operation V
CC
≤ 60V, SYNC/MODE Open, V
C
= 0.6V 40 65 µA
Supply Current in Shutdown V
C
≤ 25mV, V
CC
≤ 60V
l
9 20
30
µA
µA
V
C
≤ 25mV, V
CC
= 12V
l
5 10
15
µA
µA
Voltage Amplifier gm
Reference Voltage (V
REF
)
LTC3824E/LTC3824I
LTC3824MP/LTC3824H
l
l
0.792
0.788
0.788
0.8 0.808
0.812
0.816
V
V
V
Transconductance
V
C
= 0.8V, ∆I
VC
= ±2µA
220 260 370 µmho
FB Input Current V
FB
= V
REF
(Note 3): LTC3824E/LTC3824I
LTC3824MP/LTC3824H
l
l
10
10
30
60
nA
nA
V
C
High I
VC
= 0 1.6 V