LTC3803
2
3803fc
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 V
CC
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, LTC3803I ..........................– 40°C to 125°C
LTC3803H ..........................................– 40°C to 150°C
LTC3803MP ....................................... –55°C to 150°C
Storage Temperature Range ...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
TURNON
V
CC
Turn On Voltage LTC3803E
LTC3803H, LTC3803I
LTC3803MP
l
l
l
7.8
7.7
7.6
8.7
8.7
8.7
9.2
9.25
9.5
V
V
V
V
TURNOFF
V
CC
Turn Off Voltage LTC3803E
LTC3803H, LTC3803I
LTC3803MP
l
l
l
4.6
4
4
5.7
5.7
5.7
6.8
6.8
7.25
V
V
V
V
HYST
V
CC
Hysteresis V
TURNON
– V
TURNOFF
LTC3803E, LTC3803I, LTC3803H
LTC3803MP
l
l
1.5
1
3.0
3.0
V
V
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. (Note 2)
ELECTRICAL CHARACTERISTICS
*LTC3803 internal clamp circuit self regulates V
CC
voltage to 9.5V.
PIN CONFIGURATION
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
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3803ES6#PBF LTC3803ES6#TRPBF LTACV 6-Lead Plastic TSOT-23 –40°C to 125°C
LTC3803IS6#PBF LTC3803IS6#TRPBF LTBNC 6-Lead Plastic TSOT-23 –40°C to 125°C
LTC3803HS6#PBF LTC3803HS6#TRPBF LTBNC 6-Lead Plastic TSOT-23 –40°C to 150°C
LTC3803MPS6#PBF LTC3803MPS6#TRPBF LTBNC 6-Lead Plastic TSOT-23 –55°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3803ES6 LTC3803ES6#TR LTACV 6-Lead Plastic TSOT-23 –40°C to 125°C
LTC3803IS6 LTC3803IS6#TR LTBNC 6-Lead Plastic TSOT-23 –40°C to 125°C
LTC3803HS6 LTC3803HS6#TR LTBNC 6-Lead Plastic TSOT-23 –40°C to 150°C
LTC3803MPS6 LTC3803MPS6#TR LTBNC 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.
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/