MAX8969(2011) Ver la hoja de datos (PDF) - Maxim Integrated
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MAX8969 Datasheet PDF : 15 Pages
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Step-Up Converter
for Handheld Applications
Typical Operating Characteristics (continued)
(VIN = 3.6V, COUT = 22µF, X5R, 6.3V local and 10µF, X5R, 6.3V, 1µH inductor, circuit of Figure 1, TA = +25NC, unless otherwise noted.)
3.7V LINE TRANSIENT
MAX8969 toc09
3V
VIN
2.6V
VOUT
TREN = VIN, IOUT = 200mA
100µs/div
AC-COUPLED
100mV/div
5V LINE TRANSIENT
MAX8969 toc10
VIN
VOUT
TREN = VIN, IOUT = 200mA
100µs/div
3.7V
3.3V
AC-COUPLED
100mV/div
3.7V LOAD TRANSIENT (0mA-50mA-0mA)
MAX8969 toc11
VOUT
AC-COUPLED
50mV/div
5V LOAD TRANSIENT (0mA-50mA-0mA)
MAX8969 toc12
VOUT
AC-COUPLED
50mV/div
VLX
IOUT
VIN = 2.6V
200µs/div
5V/div
0
50mA
0
VLX
IOUT
VIN = 3.8V
200µs/div
5V/div
0
50mA
0
3.7V LOAD TRANSIENT
(50mA-500mA-50mA)
MAX8969 toc13
5V LOAD TRANSIENT
(50mA-500mA-50mA)
MAX8969 toc14
VOUT
AC-COUPLED
200mV/div
VOUT
AC-COUPLED
100mV/div
VLX
IOUT
VIN = 2.8V
20µs/div
5V/div
0
500mA
50mA
VLX
IOUT
VIN = 3.8V
20µs/div
5V/div
0
500mA
50mA
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