Datasheet

LT4430
2
4430fc
For more information www.linear.com/LT4430
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT4430ES6#PBF LT4430ES6#TRPBF LTBFY 6-Lead Plastic TSOT-23 –40°C to 125°C
LT4430IS6#PBF LT4430IS6#TRPBF LTBFY 6-Lead Plastic TSOT-23 –40°C to 125°C
LT4430HS6#PBF LT4430HS6#TRPBF LTBFY 6-Lead Plastic TSOT-23 –40°C to 150°C
LT4430MPS6#PBF LT4430MPS6#TRPBF LTBFY 6-Lead Plastic TSOT-23 –55°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT4430ES6 LT4430ES6#TR LTBFY 6-Lead Plastic TSOT-23 –40°C to 125°C
LT4430IS6 LT4430IS6#TR LTBFY 6-Lead Plastic TSOT-23 –40°C to 125°C
LT4430HS6 LT4430HS6#TR LTBFY 6-Lead Plastic TSOT-23 –40°C to 150°C
LT4430MPS6 LT4430MPS6#TR LTBFY 6-Lead Plastic TSOT-23 –55°C to 150°C
Consult LT C 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/
absoluTe MaxiMuM raTings
orDer inForMaTion
Supply Voltage
V
IN
........................................................................20V
FB Voltage .................................................... –0.3V to 6V
OPTO Short-Circuit Duration ............................ Indefinite
Operating Junction Temperature Range (Note 2)
E-, I-G
rades ....................................... –40°C to 125°C
H-Grade ............................................. –40°C to 150°C
MP-Grade .......................................... –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
IN
Input Voltage Range
●
3 20 V
I
IN
Supply Current 3V ≤ V
IN
≤ 20V (E-, I-Grades)
3V ≤ V
IN
≤ 20V (H-, MP-Grades)
●
1.9
1.9
3.9
4.3
mA
mA
V
UVLO
Undervoltage Lockout Threshold OC Held Low for V
IN
< V
UVLO
(E-, I-Grades)
OC Held Low for V
IN
< V
UVLO
(H-Grade)
OC Held Low for V
IN
< V
UVLO
(MP-Grade)
●
●
●
1.95
1.9
1.9
2.2
2.2
2.2
2.5
2.5
2.55
V
V
V
V
FB
Feedback Reference Voltage
3V ≤ V
IN
≤ 20V
●
0.5955
0.5925
0.6
0.6
0.6045
0.6075
V
V
V
FB
Line Regulation 3V ≤ V
IN
≤ 20V 0.02 0.1 %
I
FB
FB Input Bias Current FB = V
FB
–150 –75 nA
pin conFiguraTion
1
2
3
6
5
4
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
OPTO
COMP
FB
V
IN
GND
OC
T
JMAX
= 125°C, θ
JA
= 250°C/W
The ● denotes the specifications which apply over the full operating junction
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 5V, FB = V
FB
, COMP = 1V, unless otherwise noted (Note 3).
elecTrical characTerisTics