= 46癈/W SOLDERED, OTHERWISE ?/DIV>
JA
= 140癈/W
pin conFiguraTion
absoluTe MaxiMuM raTings
Supply Voltage (V
DD
) ................................. 0.3V to 28V
Input Voltages
FB, OV, UV ..............................................0.3V to 12V
TIMER ................................................... 0.3V to 3.5V
SENSE .............................V
DD
10V or 0.3V to V
DD
Output Voltages
I
SET
, I
MON
................................................. 0.3V to 3V
PG, FLT ..................................................0.3V to 35V
OUT ............................................0.3V to V
DD
+ 0.3V
INTV
CC
.................................................. 0.3V to 3.5V
GATE (Note 3) ........................................ 0.3V to 33V
Operating Temperature Range
LTC4232C ................................................0癈 to 70癈
LTC4232I .............................................40癈 to 85癈
Junction Temperature (Notes 4, 5) ........................ 125癈
Storage Temperature Range ..................65癈 to 150癈
(Notes 1, 2)
elecTrical characTerisTics
The l denotes those specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25癈. V
DD
= 12V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC Characteristics
V
DD
Input Supply Range
l
2.9
15
V
I
DD
Input Supply Current
MOSFET On, No Load
l
1.6
3
mA
V
DD(UVL)
Input Supply Undervoltage Lockout
V
DD
Rising
l
2.63
2.73
2.85
V
I
OUT
OUT Pin Leakage Current
V
OUT
= V
GATE
= 0V, V
DD
= 15V
V
OUT
= V
GATE
= 12V
l
l
1
0
2
?50
4
礎
礎
V
GATE
/t
GATE Pin Turn-On Ramp Rate
l
0.15
0.3
0.55
V/ms
R
ON
MOSFET + Sense Resistor On-Resistance
l
15
33
50
m?
I
LIM(TH)
Current Limit Threshold
V = 1.23V, I
SET
Open
l
5.0
5.6
6.1
A
V
FB
= 0V, I
SET
Open
l
1.2
1.5
1.8
A
V
FB
= 1.23V, R
SET
= 20k?/DIV>
l
2.6
2.9
3.3
A
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4232CDHC#PBF
LTC4232CDHC#TRPBF
4232
16-Lead (5mm ?3mm) Plastic DFN
0癈 to 70癈
LTC4232IDHC#PBF
LTC4232IDHC#TRPBF
4232
16-Lead (5mm ?3mm) Plastic DFN
40癈 to 85癈
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/