(Notes 2, 3) ............................................ –40°C to 125°C
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range .................. –65°C to 150°C
51 50
48
UHG PACKAGE
VARIATION: UHG52 (39)
52-LEAD (5mm 8mm) PLASTIC QFN
T
JMAX
= 125°C,
θ
JA
= 32°C/W
EXPOSED PAD (PIN 53) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LT3596EUHG#PBF
LT3596IUHG#PBF
TAPE AND REEL
LT3596EUHG#TRPBF
LT3596IUHG#TRPBF
PART MARKING*
3596
3596
PACKAGE DESCRIPTION
52-Lead (5mm
×
8mm) Plastic QFN
52-Lead (5mm
×
8mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–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/
3596fa
LT3596
elecTrical characTerisTics
PARAMETER
V
IN
Operating Voltage
Quiescent Current from V
IN
Minimum BIAS Voltage
Quiescent Current from BIAS
EN/UVLO = 0.4V
BIAS = 5V, Not Switching
BIAS = 0V, Not Switching, Current Out of Pin
0.4
1.47
EN/UVLO = 1.6V
EN/UVLO = 1.4V
FB = 6V
R
T
= 220k (200kHz)
R
T
= 33.2k (1MHz)
I
SW
= 300mA
0.8
500
V
SW
= 0V
I
SW
= 100mA
R
T
= 220k
R
T
= 33.2k
170
900
1.6
R
T
= 220k
R
T
= 47k
V
SYNC
= 3.3V
(Note 4)
I
VREF
= 0µA
R
ISET1-3
= 20k
V
TSET
= 1V
R
ISET1-3
= 20k
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
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