Datasheet

LTC4227
2
422712fa
For more information www.linear.com/LTC4227
absoluTe MaxiMuM raTings
Supply Voltages
IN1, IN2 .................................................. –0.3V to 24V
INTV
CC
..................................................... –0.3V to 7V
Input Voltages
ON, EN, D2ON ....................................... –0.3V to 24V
TMR ....................................... –0.3V to INTV
CC
+ 0.3V
SENSE
+
, SENSE
–
................................... –0.3V to 24V
Output Voltages
FAU LT, PWRGD ...................................... –0.3V to 24V
CPO1, CPO2 (Note 3) ............................. –0.3V to 35V
DGATE1, DGATE2 (Note 3) ..................... –0.3V to 35V
(Notes 1, 2)
20 19 18 17
7 8
TOP VIEW
21
UFD PACKAGE
20-LEAD (4mm × 5mm) PLASTIC QFN
9 10
6
5
4
3
2
1
11
12
13
14
15
16
SENSE
–
SENSE
+
IN1
INTV
CC
GND
IN2
NC
ON
EN
TMR
D2ON
FAULT
DGATE1 CPO1 HGATE OUT
DGATE2
CPO2
NC
PWRGD
T
JMAX
= 125°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 21) PCB GND CONNECTION OPTIONAL
GN PACKAGE
16-LEAD PLASTIC SSOP NARROW
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
DGATE1
SENSE
–
SENSE
+
IN1
INTV
CC
GND
IN2
DGATE2
CPO1
HGATE
OUT
ON
TMR
D2ON
PWRGD
CPO2
T
JMAX
= 125°C, θ
JA
= 110°C/W
pin conFiguraTion
HGATE (Note 4) ..................................... –0.3V to 35V
OUT ....................................................... –0.3V to 24V
Average Currents
FAU LT, PWRGD ....................................................5mA
INTV
CC
................................................................. 1mA
Operating Temperature Range
LTC4227C ................................................ 0°C to 70°C
LTC4227I .............................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
GN Package ...................................................... 300°C