Datasheet

LTC3736-2
2
37362fb
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage (V
IN
) ........................ –0.3V to 10V
PLLLPF, RUN/SS, SYNC/FCB,
TRACK, SENSE1
+
, SENSE2
+
,
IPRG1, IPRG2 Voltages ................. –0.3V to (V
IN
+ 0.3V)
V
FB1
, V
FB2
, I
TH1
, I
TH2
Voltages ................. –0.3V to 2.4V
SW1, SW2 Voltages ........... –2V to V
IN
+ 1V or 10V Max
(Note 1)
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
GN PACKAGE
24-LEAD PLASTIC SSOP
24
23
22
21
20
19
18
17
16
15
14
13
SW1
IPRG1
V
FB1
I
TH1
IPRG2
PLLLPF
SGND
V
IN
TRACK
V
FB2
I
TH2
PGOOD
SENSE1
+
PGND
BG1
SYNC/FCB
TG1
PGND
TG2
RUN/SS
BG2
PGND
SENSE2
+
SW2
T
JMAX
= 125°C, θ
JA
= 130°C/W
24 23 22 21 20 19
7 8 9
TOP VIEW
25
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
I
TH1
IPRG2
PLLLPF
SGND
V
IN
TRACK
SYNC/FCB
TG1
PGND
TG2
RUN/SS
BG2
V
FB1
IPRG1 SW1 SENSE1
+
PGND BG1
V
FB2
I
TH2
PGOOD
SW2
SENSE2
+
PGND
T
JMAX
= 125°C, θ
JA
= 37°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3736-2EGN#PBF LTC3736-2EGN#TRPBF 24-Lead Plastic SSOP –40°C to 85°C
LTC3736-2EUF#PBF LTC3736-2EUF#TRPBF 37362
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
PGOOD ...................................................... –0.3V to 10V
TG1, TG2, BG1, BG2 Peak Output Current (<10μs) .... 1A
Operating Temperature Range (Note 2) .... –40°C to 85°C
Storage Temperature Range ................... –65°C to 125°C
Junction Temperature (Note 3) ............................ 125°C
Lead Temperature (Soldering, 10 sec)
(LTC3736EGN-2) ................................................... 300°C