Datasheet

LTC4217
2
4217fe
LTC4217
LTC4217-12
LTC4217
16
15
14
13
12
11
10
9
17
SENSE
1
2
3
4
5
6
7
8
V
DD
I
SET
I
MON
FB
F LT
PG
GATE
OUT
V
DD
UV
OV
TIMER
INTV
CC
GND
OUT
OUT
TOP VIEW
DHC PACKAGE
16-LEAD (5mm × 3mm) PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 17) IS SENSE,
θ
JA
= 43°C/W SOLDERED, OTHERWISE θ
JA
= 140°C/W
FE PACKAGE
20-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
SENSE
V
DD
UV
OV
TIMER
INTV
CC
GND
OUT
OUT
SENSE
SENSE
V
DD
I
SET
I
MON
FB
F LT
PG
GATE
OUT
SENSE
21
SENSE
T
JMAX
= 125°C, θ
JA
= 38°C/W
EXPOSED PAD (PIN 21) IS SENSE,
θ
JA
= 38°C/W SOLDERED, OTHERWISE θ
JA
= 130°C/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, F LT .................................................. –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
(Notes 1, 2)
Operating Temperature Range
LTC4217C ................................................ 0°C to 70°C
LTC4217I..............................................–40°C to 85°C
LTC4217H ..........................................–40°C to 125°C
Junction Temperature (Notes 4, 5)........................ 125°C
Storage Temperature Range ...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
FE Package Only ............................................... 300°C