LTC3826 Linear Technology, LTC3826 Datasheet - Page 2

• Manufacturer Part Number: LTC3826
• Description: 2-Phase Synchronous Step-Down Controller
• Manufacturer: Linear Technology

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ABSOLUTE MAXIMUM RATINGS
LTC3826
(Note 1)
Input Supply Voltage (V
Top Side Driver Voltages
Switch Voltage (SW1, SW2) ......................... 36V to –5V
(BOOST1-SW1), (BOOST2-SW2) ............. 8.5V to –0.3V
RUN1, RUN2 ............................................... 7V to –0.3V
SENSE1
PLLIN/MODE, PLLLPF , Voltages ........... INTV
PHASMD, FOLDDIS, TRACK/SS1, TRACK/SS2
EXTV
I
PGOOD1, PGOOD2 Voltages ..................... 8.5V to –0.3V
Peak Output Current <10μs (TG1, TG2, BG1, BG2) .....3A
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range .................. –65°C to 125°C
ORDER INFORMATION
LEAD FREE FINISH
LTC3826EUH#PBF
LTC3826IUH#PBF
LEAD BASED FINISH
LTC3826EUH
LTC3826IUH
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:
For more information on tape and reel specifi cations, go to:
2
TH1
(BOOST1, BOOST2) ............................... 42V to –0.3V
SENSE2
Voltages ........................................... INTV
, I
CC
TH2
+
...................................................... 10V to –0.3V
, SENSE2
, V
–
FB1
Voltages ................................ 11V to –0.3V
, V
FB2
+
, SENSE1
Voltages ................. 2.7V to –0.3V
TAPE AND REEL
LTC3826EUH#TRPBF
LTC3826IUH#TRPBF
TAPE AND REEL
LTC3826EUH#TR
LTC3826IUH#TR
IN
) ......................... 36V to –0.3V
–
,
http://www.linear.com/leadfree/
PART MARKING*
3826
3826
PART MARKING*
3826
3826
CC
CC
http://www.linear.com/tapeandreel/
to –0.3V
to –0.3V
PIN CONFIGURATION
PACKAGE DESCRIPTION
32-Lead (5mm × 5mm) Plastic QFN
32-Lead (5mm × 5mm) Plastic QFN
PACKAGE DESCRIPTION
32-Lead (5mm × 5mm) Plastic QFN
32-Lead (5mm × 5mm) Plastic QFN
PLLIN/MODE
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
SENSE1
PHASMD
CLKOUT
PLLLPF
SGND
RUN1
RUN2
UH PACKAGE 32-LEAD (5mm 5mm) PLASTIC QFN
–
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
T
JMAX
= 125°C,
TOP VIEW
33
JA
= 34°C/W
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
24
23
22
21
20
19
18
17
BOOST1
BG1
V
PGND
EXTV
INTV
BG2
BOOST2
IN
CC
CC
3826fc