LTC3609EWKG#PBF Linear Technology, LTC3609EWKG#PBF Datasheet - Page 2

• Manufacturer Part Number: LTC3609EWKG#PBF
• Description: IC DC/DC CONV STP-DWN 6A 52-QFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3609EWKG#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 36 V
• Current - Output: 6A
• Voltage - Input: 4 ~ 32 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 52-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

absoluTe MaxiMuM raTings
LTC3609
(Note 1)
Input Supply Voltage (SV
Boosted Topside Driver Supply Voltage
INTV
FCB, V
I
Operating Junction Temperature Range
Storage Temperature Range ................... –55°C to 125°C
orDer inForMaTion
LEAD FREE FINISH
LTC3609EWKG#PBF
LTC3609IWKG#PBF
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:
For more information on tape and reel specifications, go to:

TH
(BOOST) ................................................ 42V to –0.3V
SW Voltage ............................................ 36V to –0.3V
PGOOD Voltages ...................................... 7V to –0.3V
(Notes 2, 4) ........................................ –40°C to 125°C
, V
CC
FB
ON
, EXTV
Voltages ....................................... 2.7V to –0.3V
, V
RNG
CC
, (BOOST – SW), RUN/SS,
Voltages ............ INTV
TAPE AND REEL
LTC3609EWKG#TRPBF
LTC3609IWKG#TRPBF
IN
, PV
IN
, I
ON
) ....... 36V to –0.3V
CC
+ 0.3V to –0.3V
http://www.linear.com/leadfree/
PART MARKING*
LTC3609WKG
LTC3609WKG
http://www.linear.com/tapeandreel/
pin conFiguraTion
RUN/SS 12
BOOST 11
SGND 10
SGND 14
V
PACKAGE DESCRIPTION
52-Lead (7mm × 8mm) Plastic QFN
52-Lead (7mm × 8mm) Plastic QFN
PV
PV
PV
PV
PV
PV
PV
ON
SW 8
NC 9
IN
IN
IN
IN
IN
IN
IN
13
1
2
3
4
5
6
7
52-LEAD (7mm 8mm) QFN MULTIPAD
PV
53
IN
T
JMAX
= 125°C, θ
WKG PACKAGE
SGND
TOP VIEW
54
JA
= 29°C/W
SW
55
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
40 PGND
39 PGND
38 PGND
37 PGND
36 PGND
35 PGND
34 PGND
33 SW
32 INTV
31 INTV
30 SV
29 EXTV
28 NC
27 SGND
IN
3609fb
CC
CC
CC