LTC3499_15 Datasheet, PDF (2/16 Pages) Linear Technology – 750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery Protection

LTC3499/LTC3499B
ABSOLUTE MAXIMUM RATINGS ^{(Note 1)}
V_IN to GND...................................................... – 7V to 7V
V_OUT to GND ............................................... – 0.3V to 7V
SW to V_OUT .................................................... – 7V to 1V
SW to GND
DC................................................................ –7V to 7V
Pulsed < 100ns............................................ –7V to 8V
SHDN to GND.................................................. – 7V to 7V
FB, SS to GND.............................................. – 0.3V to 7V
Operating Temperature Range
(Notes 3, 4).......................................... –40°C to 85°C
Storage Temperature Range.................. –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
MSOP............................................................... 300°C
PIN CONFIGURATION
TOP VIEW
SHDN 1
8 VC
V_IN 2
9
7 FB
SW 3
6 V_OUT
GND 4
5 SS
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
T_JMAX = 125°C, θ_JA = 45°C
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
SHDN 1
V_IN 2
SW 3
GND 4
8 VC
7 FB
6 V_OUT
5 SS
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T_JMAX = 125°C, θ_JA = 160°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3499EDD#PBF
LTC3499EDD#TRPBF
LBRB
8-Lead (3mm × 3mm) Plastic DFN
LTC3499BEDD#PBF
LTC3499BEDD#TRPBF LCDZ
8-Lead (3mm × 3mm) Plastic DFN
LTC3499EMS8#PBF
LTC3499EMS8#TRPBF LTBRC
8-Lead Plastic MSOP
LTC3499BEMS8#PBF
LTC3499BEMS8#TRPBF LTCFB
8-Lead Plastic MSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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/
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The l denotes specifications that apply over the full operating temperature
range, otherwise specifications are at T_A = 25°C. V_IN = 2.4V, V_OUT = 5V, SHDN = 2.4V, T_A = T_J unless otherwise noted. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Supply
V_IN
Minimum Start-Up Voltage
V_OUT
Output Voltage Adjust Range
V_FB
FB Voltage
l
1.6
1.8
V
l
2
6
V
l 1.195 1.220 1.245
V
3499fc
2