Datasheet
2
LTC3834-1
38341f
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3834EDHC-1#PBF LTC3834EDHC-1#TRPBF 38341 16-Lead (5mm × 3mm) Plastic DFN –40°C to 85°C (Note 2)
LTC3834IDHC-1#PBF LTC3834IDHC-1#TRPBF 38341 16-Lead (5mm × 3mm) Plastic DFN –40°C to 85°C
LTC3834EGN-1#PBF LTC3834EGN-1#TRPBF 38341 16-Lead Plastic SSOP –40°C to 85°C (Note 2)
LTC3834IGN-1#PBF LTC3834IGN-1#TRPBF 38341 16-Lead Plastic SSOP –40°C to 85°C
Input Supply Voltage (V
IN
).........................36V to –0.3V
Top Side Driver Voltage (BOOST) ..............42V to –0.3V
Switch Voltage (SW) ....................................36V to –5V
INTV
CC,
(BOOST-SW) .................................8.5V to –0.3V
RUN, TRACK/SS ......................................... 7V to –0.3V
SENSE
+
, SENSE
–
Voltages.........................11V to –0.3V
PLLIN/MODE, PLLLPF ......................... INTV
CC
to –0.3V
I
TH,
V
FB
Voltages .......................................2.7V to –0.3V
ABSOLUTE AXI U RATI GS
WWWU
(Note 1)
Peak Output Current <10μs (TG, BG)......................... 3A
INTV
CC
Peak Output Current ................................ 50mA
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Junction Temperature (Note 3)............................. 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature
(GN Package, Soldering, 10 sec) ...................... 300°C
T
JMAX
= 125°C, θ
JA
= 43.5°C/W
EXPOSED PAD (PIN 17) IS SGND
MUST BE SOLDERED TO PCB
T
JMAX
= 150°C, θ
JA
= 90°C/W
GN PACKAGE
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
PLLLPF
I
TH
TRACK/SS
V
FB
SGND
PGND
BG
INTV
CC
PLLIN/MODE
SENSE
+
SENSE
–
RUN
BOOST
TG
SW
V
IN
16
15
14
13
12
11
10
9
17
1
2
3
4
5
6
7
8
PLLIN/MODE
SENSE
+
SENSE
–
RUN
BOOST
TG
SW
V
IN
PLLLPF
I
TH
TRACK/SS
V
FB
SGND
PGND
BG
INTV
CC
TOP VIEW
DHC PACKAGE
16-Pin (5mm × 3mm) PLASTIC DFN
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 12V, V
RUN
= 5V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Main Control Loop
V
FB
Regulated Feedback Voltage (Note 4); I
TH
Voltage = 1.2V ● 0.792 0.800 0.808 V
I
VFB
Feedback Current (Note 4) –5 –50 nA
V
REFLNREG
Reference Voltage Line Regulation V
IN
= 4V to 30V (Note 4) 0.002 0.02 %/V
Consult LTC Marketing for parts specified with wider operating temperature ranges. *Temperature grades are identified by a label on the shipping container.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
PI CO FIGURATIO
UUU
ORDER I FOR ATIO
UUW