For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
28V, Low-Power, High-Voltage,
Boost or Inverting DC-DC Converter
MAX629
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
CC
to GND) ..................................-0.3V to +6V
SHDN
to GND...........................................................-0.3V to +6V
ISET, REF, FB, POL to GND .......................-0.3V to (V
CC
+ 0.3V)
LX to GND ..............................................................-0.3V to +30V
Continuous Power Dissipation (T
A
= +70°C)
SO (derate 5.88mW/°C above +70°C) ..........................471mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
CC
= +5V, C
REF
= 0.1µF, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
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