MAX8649(2009) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX8649 Datasheet PDF : 31 Pages
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1.8A Step-Down Regulator with Differential
Remote Sense in 2mm x 2mm WLP
Typical Operating Characteristics (continued)
(Typical Operating Circuit, VIN1 = VIN2 = 3.6V, VAGND = VPGND = 0V, VOUT = 1.1V, VDD = 1.8V, TA = +25°C, unless otherwise noted.)
LIGHT LOAD STARTUP WAVEFORMS
MAX8649 toc17
10I LOAD
1V/div
VOUT
100mA/div
IIN
IL
500mA/div
5V/div
VEN
200μs/div
HEAVY LOAD STARTUP WAVEFORMS
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1I LOAD
VOUT
1V/div
200mA/div
IIN
500mA/div
IL
5V/div
VEN
200μs/div
PREBIAS STARTUP WAVEFORMS
(FORCED PWM)
MAX8649 toc19
VOUT
OUTPUT PREBIASED TO 1.3V
STARTUP TO 1.1V
500mV/div
IL
1A/div
5V/div
VEN
200μs/div
LINE TRANSIENT RESPONSE (4.2V TO
3.2V TO 4.2V) SYNC OFF
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VIN
1V/div
VOUT
IL
300mA LOAD
20μs/div
20mV/div
200mA/div
LINE TRANSIENT RESPONSE (4.2V TO
3.2V TO 4.2V) 26MHz SYNC
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VIN
1V/div
VOUT
20mV/div
LOAD TRANSIENT RESPONSE
(1mA TO 1A)
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50mV/div
VOUT
500mA/div
IL
IL
300mA LOAD
20μs/div
200mA/div
IOUT
40μs/div
1A/div
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