MAX866 Ver la hoja de datos (PDF) - Maxim Integrated
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Fabricante
MAX866 Datasheet PDF : 12 Pages
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3.3V/5V or Adjustable-Output,
Single-Cell DC-DC Converters
____________________________Typical Operating Characteristics (continued)
(Circuits of Figure 2, TA = +25°C, unless otherwise noted.)
MAX866 LOAD-TRANSIENT RESPONSE
(3.3V MODE)
MAX866 LOAD-TRANSIENT RESPONSE
(5V MODE)
A
A
B
1ms/div
A: 3.3V OUTPUT VOLTAGE, AC COUPLED 20mV/div
B: OUTPUT CURRENT (0mA AND 10mA) 5mV/div
(TEKTRONIX P6042 CURRENT PROBE)
ILOAD = 5mA, COUT = 47µF, VIN = 1.25V
MAX866 SHUTDOWN RESPONSE
(3.3V MODE)
B
1ms/div
A: 5.0V OUTPUT VOLTAGE, AC COUPLED 20mV/div
B: OUTPUT CURRENT (0mA AND 10mA) 5mV/div
(TEKTRONIX P6042 CURRENT PROBE)
ILOAD = 5mA, COUT = 47µF, VIN = 1.25V
MAX866 SHUTDOWN RESPONSE
(5V MODE)
A
A
B
B
1.260
1.250
10ms/div
A: 3.3V OUTPUT VOLTAGE, 2V/div
B: SHDN INPUT VOLTAGE (0V AND 5V) 2V/div
ILOAD = 10mA
MAX867 LBI AND FB THRESHOLD
vs. TEMPERATURE
0.5
10ms/div
A: 5.0V OUTPUT VOLTAGE, 2V/div
B: SHDN INPUT VOLTAGE (0V AND 5V) 5V/div
ILOAD = 10mA
MAX866 OUTPUT VOLTAGE ERROR
vs. TEMPERATURE
START-UP VOLTAGE
vs. TEMPERATURE
1.0
3.3V MODE
ILOAD = 0A
0.9
LBI
0.8
0
0.7
5V MODE
VFB (MAX867)
1.240
-60 -40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
ILOAD= OA
-0.5
-60 -40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
0.6
0.5
-60 -40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
_______________________________________________________________________________________ 5
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