Datasheet
LT3782A
2
3782afb
T
JMAX
= 125°C, θ
JA
= 30°C/ W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
V
CC
Supply Voltage ...................................................40V
GBIAS, GBIAS1, GBIAS2 Pin
(Externally Forced) ....................................................14V
SYNC, RUN Pin .........................................................30V
Operating Junction Temperature
Range (Notes 2, 3) ................................. –40°C to 125°C
(Note 1)
SS ........................................................... 300µA Max I
SS
SENSE1
+
, SENSE2
+
,
SENSE1
–
, SENSE2
–
..................................... –0.3V to 2V
Storage Temperature Range ...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
For FE Package ...................................................... 300°C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
FE PACKAGE
28-LEAD PLASTIC TSSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SGATE2
SGATE1
NC
GND
SYNC
DELAY
DCL
SENSE1
+
SENSE1
–
SLOPE
R
SET
SENSE2
–
SENSE2
+
SS
GBIAS
V
CC
NC
NC
V
EE1
BGATE1
GBIAS1
GBIAS2
BGATE2
V
EE2
NC
RUN
FB
V
C
29
GND
9 10
TOP VIEW
29
GND
UFD PACKAGE
28-LEAD (4mm × 5mm) PLASTIC QFN
11 12 13
28 27 26 25 24
14
23
6
5
4
3
2
1
SYNC
DELAY
DCL
SENSE1
+
SENSE1
–
SLOPE
R
SET
SENSE2
–
BGATE1
GBIAS1
NC
NC
GBIAS2
BGATE2
V
EE2
NC
GND
SGATE1
SGATE2
GBIAS
V
CC
V
EE1
NC
SENSE2
+
SS
V
C
FB
RUN
7
17
18
19
20
21
22
16
8
15
T
JMAX
= 125°C, θ
JA
= 37°C/ W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ABSOLUTE MAXIMUM RATINGS
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3782AEFE#PBF LT3782AEFE#TRPBF LT3782AFE 28-Lead Plastic TSSOP –40°C to 125°C
LT3782AIFE#PBF LT3782AIFE#TRPBF LT3782AFE 28-Lead Plastic TSSOP –40°C to 125°C
LT3782AEUFD#PBF LT3782AEUFD#TRPBF 3782A
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LT3782AIUFD#PBF LT3782AIUFD#TRPBF 3782A
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3782AEFE LT3782AEFE#TR LT3782AFE 28-Lead Plastic TSSOP –40°C to 125°C
LT3782AIFE LT3782AIFE#TR LT3782AFE 28-Lead Plastic TSSOP –40°C to 125°C
LT3782AEUFD LT3782AEUFD#TR 3782A
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LT3782AIUFD LT3782AIUFD#TR 3782A
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed 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 specifi cations, go to: http://www.linear.com/tapeandreel/