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MAX8625A Datasheet, PDF (7/15 Pages) Maxim Integrated Products – High-Efficiency, Seamless Transition, Step-Up/Down DC-DC Converter
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High-Efficiency, Seamless Transition,
Step-Up/Down DC-DC Converter
Typical Operating Characteristics (continued)
(VIN = 3.6V, SKIP = GND, TA = +25°C, Figure 4, unless otherwise noted.)
2.48
2.46
2.44
2.42
2.40
2.38
2.36
2.34
2.32
2.30
2.28
-50
MINIMUM STARTUP VOLTAGE
vs. TEMPERATURE
VOUT = 3.3V, NO LOAD
-25 0 25 50 75 100
TEMPERATURE (°C)
REFERENCE vs. TEMPERATURE
NO LOAD
1.28
1.27
1.26
1.25
1.24
1.23
1.22
-40 -20
VOUT = 3.3V
VIN = 3.0V,
3.6V,
4.2V,
5.0V
0 20 40 60 80 100
TEMPERATURE (°C)
REFERENCE vs. TEMPERATURE
WITH 300mA LOAD
1.28
SHUTDOWN DUE TO OVERLOAD
VIN = 3.6V, VOUT = 3.288V
MAX8625A toc25
1.27
VLX2
2V/div
1.26
VLX2
1.25
2V/div
1.24
1.23
1.22
-40 -20
VOUT = 3.3V
VIN = 3.0V,
3.6V,
4.2V,
5.0V
0 20 40 60 80 100
TEMPERATURE (°C)
BOOST-TO-BUCK TRANSITION
FPWM MODE VIN = 3.6V, VOUT = 3.288V
MAX8625A toc26
100μs/div
VOUT
500mV/div
ILX
500mA/div
VOUT
100mV/div
AC-COUPLED
VIN
1V/div
DC OFFSET = 3V
ILX
200mA/div
2μs/div
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