LT5554
2
5554f
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
VCC..........................................................................6V
Pin Voltages and Currents
OUT+, OUT– ............................................................7V
STROBE, PGx..........................................–0.5V to VCC
ENB, MODE.............................................–0.5V to VCC
IN+, IN–, DEC ........................................... –0.5V to 4V
Operating Ambient Temperature Range
LT5554............................................... –40°C to +85°C
Junction Temperature ........................................... 125°C
Storage Temperature Range................. –65°C to +150°C
(Notes 1, 2)
32 31 30 29 28 27 26 25
9
10 11 12
TOP VIEW
UH PACKAGE
32-LEAD (5mm
5mm) PLASTIC QFN
13 14 15 16
17
18
19
20
21
22
23
24
33
8
7
6
5
4
3
2
1
GND
DEC
IN+
IN–
DEC
GND
VCC
ENB
GND
OUT–
OUT+
GND
MODE
VCC
PG1
GND
PG2
PG3
GND
PG4
GND
PG5
GND
PG6
PG0
GND
STROBE
GND
TJMAX = 150°C, θJA = 34°C/W, θJC = 3°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT5554IUH#PBF
LT5554IUH#TRPBF
5554
32-Lead (5mm
× 5mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/