Datasheet

LTC3803-3
2
38033fd
ORDER INFORMATION
ABSOLUTE MAXIMUM RATINGS
V
CC
to GND
Low Impedance Source .......................... –0.3V to 8V
Current Fed ....................................... 25mA into V
CC
*
NGATE Voltage .......................................... –0.3V to VCC
V
FB
, I
TH
/RUN Voltages............................... –0.3V to 3.5V
SENSE Voltage ............................................ –0.3V to 1V
NGATE Peak Output Current (<10μs) ......................... 1A
Operating Junction Temperature Range (Notes 2, 3)
LTC3803E-3, LTC3803I-3 ................... –40°C to 125°C
LTC3803H-3 ....................................... –40°C to 150°C
LTC3803MP-3 .................................... –55°C to 150°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
junction temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 8V, unless otherwise noted. (Notes 2, 3)
I
TH
/RUN 1
GND 2
V
FB
3
6 NGATE
5 V
CC
4 SENSE
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
T
JMAX
= 150°C, θ
JA
= 192°C/W
PACKAGE/ORDER INFORMATION
*LTC3803-3 internal clamp circuit self regulates V
CC
voltage to 9.5V.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
TURNON
V
CC
Turn On Voltage LTC3803E-3, LTC3803I-3
LTC3803H-3
LTC3803MP-3
l
l
l
7.6
7.5
7.5
8.7
8.7
8.7
9.2
9.25
9.4
V
V
V
V
TURNOFF
V
CC
Turn Off Voltage LTC3803E-3
LTC3803I-3
LTC3803H-3
LTC3803MP-3
l
l
l
l
4.6
4.4
4
4
5.7
5.7
5.7
5.7
7
7
7
7.2
V
V
V
V
V
HYST
V
CC
Hysteresis (V
TURNON
– V
TURN0FF
)
l
13 V
V
CLAMP1mA
V
CC
Shunt Regulator Voltage I
CC
= 1mA, V
ITH/RUN
= 0V
LTC3803E-3, LTC3803I-3
LTC3803H-3
LTC3803MP-3
l
l
l
8.3
8.3
8
9.4
9.4
9.4
10.3
10.5
10.5
V
V
V
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3803ES6-3#PBF LTC3803ES6-3#TRPBF LTCJS 6-Lead Plastic TSOT-23 –40°C to 125°C
LTC3803IS6-3#PBF LTC3803IS6-3#TRPBF LTCJT 6-Lead Plastic TSOT-23 –40°C to 125°C
LTC3803HS6-3#PBF LTC3803HS6-3#TRPBF LTCJT 6-Lead Plastic TSOT-23 –40°C to 150°C
LTC3803MPS6-3#PBF LTC3803MPS6-3#TRPBF LTCJT 6-Lead Plastic TSOT-23 –55°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3803MPS6-3 LTC3803MPS6-3#TR LTCJT 6-Lead Plastic TSOT-23 –55°C to 150°C
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:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/