LTC3609 Datasheet, PDF (2/24 Pages) Linear Technology – 32V, 6A Monolithic Synchronous Step-Down DC/DC Converter

LTC3609
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (SV_IN, PV_IN, I_ON)....... 36V to –0.3V
Boosted Topside Driver Supply Voltage
(BOOST) ................................................ 42V to –0.3V
SW Voltage ............................................... 36V to –5V
INTV_CC, EXTV_CC, (BOOST – SW), RUN/SS,
PGOOD Voltages...................................... 7V to –0.3V
FCB, V_ON, V_RNG Voltages............ INTV_CC + 0.3V to –0.3V
I_TH, V_FB Voltages ....................................... 2.7V to –0.3V
Operating Junction Temperature Range
(Notes 2, 4)........................................ –40°C to 125°C
Storage Temperature Range................... –55°C to 125°C
PIN CONFIGURATION
TOP VIEW
PV_IN 1
PV_IN 2
PV_IN 3
PV_IN 4
PV_IN 5
PV_IN 6
PV_IN 7
SW 8
NC 9
SGND 10
BOOST 11
RUN/SS 12
V_ON 13
SGND 14
53
PV_IN
55
SW
54
SGND
40 PGND
39 PGND
38 PGND
37 PGND
36 PGND
35 PGND
34 PGND
33 SW
32 INTV_CC
31 INTV_CC
30 SV_IN
29 EXTV_CC
28 NC
27 SGND
WKG PACKAGE
52-LEAD (7mm s 8mm) QFN MULTIPAD
T_JMAX = 125°C, θ_JA = 29°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3609EWKG#PBF
LTC3609EWKG#TRPBF LTC3609WKG
52-Lead (7mm × 8mm) Plastic QFN –40°C to 125°C
LTC3609IWKG#PBF
LTC3609IWKG#TRPBF LTC3609WKG
52-Lead (7mm × 8mm) Plastic QFN –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard 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/
3609f
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