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| MAX15062 Datasheet, PDF (10/23 Pages) Maxim Integrated Products – Step-Down DC-DC Converters | |||
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MAX15062
60V, 300mA, Ultra-Small, High-Efficiency,
Synchronous Step-Down DC-DC Converters
Typical Operating Characteristicsc (continued)
(VIN = 24V, VGND = 0V, CIN = CVCC = 1µF, VEN/UVLO = 1.5V, TA = +25°C, unless otherwise noted.)
LOAD TRANSIENT RESPONSE,
PWM MODE (LOAD CURRENT
STEPPED FROM NO LOAD TO 150mA)
MAX15062 toc24
VOUT (AC)
100mV/div
FIGURE 5
APPLICATION CIRCUIT
VOUT = 3.3V
IOUT
100mA /div
40µs /div
LOAD TRANSIENT RESPONSE
PWM MODE (LOAD CURRENT STEPPED
FROM NO LOAD TO 150mA)
toc25a
VOUT (AC)
50mV/div
FIGURE 7
APPLICATION CIRCUIT
VOUT = 2.5V
IOUT
100mA/div
VOUT (AC)
100mV/div
40µs/div
SWITCHING WAVEFORMS
(PFM MODE)
MAX15062 toc26
FIGURE 6 APPLICATION CIRCUIT
VOUT = 5V, LOAD = 20mA
VLX
10V/div
IOUT
100mA /div
10µs /div
LOAD TRANSIENT RESPONSE,
PWM MODE PWM mode (LOAD CURRENT
STEPPED FROM NO LOAD TO 150mA)
MAX15062 toc25
VOUT (AC)
100mV/div
FIGURE 6
APPLICATION CIRCUIT
VOUT = 5V
IOUT
100mA /div
40µs /div
LOAD TRANSIENT RESPONSE
PWM MODE (LOAD CURRENT STEPPED
FROM NO LOAD TO 150mA)
toc25b
VOUT (AC)
200mV/div
FIGURE 8
APPLICATION CIRCUIT
VOUT = 12V
IOUT
100mA/div
40µs/div
VOUT (AC)
20mV/div
FULL-LOAD SWITCHING WAVEFORMS
(PWM OR PFM MODE)
MAX15062 toc27
VOUT = 5V,
LOAD = 300mA
VLX
10V/div
IOUT
200mA /div
2µs /div
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