Datasheet

LTC4225-1/LTC4225-2
2
422512f
absoluTe MaxiMuM raTings
Supply Voltages
IN1, IN2 .................................................. –0.3V to 24V
INTV
CC
..................................................... –0.3V to 7V
Input Voltages
ON1, ON2, EN1, EN2............................... –0.3V to 24V
TMR1, TMR2 .........................–0.3V to INTV
CC
+ 0.3V
SENSE1, SENSE2 ................................... –0.3V to 24V
Output Voltages
FA U LT1, FAU LT2 , PWRGD1, PWRGD2 ..... –0.3V to 24V
CPO1, CPO2 (Note 3) ............................. –0.3V to 35V
DGATE1, DGATE2 (Note 3) ..................... –0.3V to 35V
HGATE1, HGATE2 (Note 4) ..................... –0.3V to 35V
OUT1, OUT2 ........................................... –0.3V to 24V
(Notes 1, 2)
8 9
TOP VIEW
25
UFD PACKAGE
24-LEAD (4mm × 5mm) PLASTIC QFN
10 11 12
24 23 22 21 20
6
5
4
3
2
1
SENSE1
IN1
INTV
CC
GND
ON2
IN2
SENSE2
FAULT1
ON1
EN1
TMR1
TMR2
EN2
FAULT2
DGATE1 CPO1 HGATE1 OUT1 PWRGD1
DGATE2
CPO2
HGATE2
OUT2
PWRGD2
7
14
15
16
17
18
19
13
T
JMAX
= 125°C, θ
JA
= 34°C/W
EXPOSED PAD (PIN 25) PCB GND CONNECTION OPTIONAL
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
GN PACKAGE
24-LEAD PLASTIC SSOP NARROW
24
23
22
21
20
19
18
17
16
15
14
13
CPO1
DGATE1
SENSE1
IN1
ON1
INTV
CC
GND
ON2
IN2
SENSE2
DGATE2
CPO2
HGATE1
OUT1
PWRGD1
FAULT1
EN1
TMR1
TMR2
EN2
FAULT2
PWRGD2
OUT2
HGATE2
T
JMAX
= 125°C, θ
JA
= 85°C/W
pin conFiguraTion
Average Currents
FA U LT1, FAU LT2 , PWRGD1, PWRGD2 ................... 5mA
INTV
CC
................................................................. 1mA
Operating Temperature Range
LTC4225C ................................................ 0°C to 70°C
LTC4225I .............................................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
GN Package ...................................................... 300°C