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MAX77342 Datasheet(PDF) 13 Page - Maxim Integrated Products

Part # MAX77342
Description  DC-DC Step-Up Converter
PDF  50 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX77342 Datasheet(HTML) 13 Page - Maxim Integrated Products

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Typical Operating Characteristics (continued)
(TA=+25°C,unlessotherwisenoted.)
MAX77342
1.6A Adaptive DC-DC Step-Up Converter
with High-Side Flash Driver
Maxim Integrated │ 13
www.maximintegrated.com
PEAK INPUT CURRENT LIMIT
OPERATION (IDCDC_ILIM = 1.4A)
MAX77311 toc15
VOUT
AC-COUPLED
VLX
ILX
IFLED
2V/div
0V
1A/div
0A
1A/div
100mV/div
1A
200ns/div
VIN = 2.5V, IFLED SET TO 1600mA
AND MEASURED AT 860mA
PEAK INPUT CURRENT MEASURED AT 1.5A
PEAK INPUT CURRENT LIMIT
OPERATION (IDCDC_ILIM = 2.1A)
MAX77311 toc16
VOUT
AC-COUPLED
VLX
ILX
IFLED
2V/div
0V
1A/div
0A
1A/div
100mV/div
1A
200ns/div
VIN = 2.5V, IFLED SET TO 1600mA AND
MEASURED AT 1160mA
PEAK INPUT CURRENT MEASURED AT 2.16A
PEAK INPUT CURRENT LIMIT
OPERATION (IDCDC_ILIM = 2.5A)
MAX77311 toc17
VOUT
AC-COUPLED
VLX
ILX
IFLED
2V/div
0V
1A/div
1A
100mV/div
1A/div
1A
200ns/div
VIN = 2.5V, IFLED SET TO 1600mA AND
MEASURED AT 1260mA
PEAK INPUT CURRENT MEASURED AT 2.46A
PEAK INPUT CURRENT LIMIT
OPERATION (IDCDC_ILIM = 2.9A)
MAX77311 toc18
VOUT
AC-COUPLED
VLX
ILX
IFLED
2V/div
0V
1A/div
1A
100mV/div
1A/div
1.5A
200ns/div
VIN = 2.5V, IFLED SET TO 1600mA AND
MEASURED AT 1480mA
PEAK INPUT CURRENT MEASURED AT 2.96A
IFLED MEDIUM CURRENT
RIPPLE (IFLED = 800mA)
MAX77311 toc19a
IFLED
AC-COUPLED
VOUT
AC-COUPLED
20mV/div
10mA/div
400ns/div
IFLED HEAVY CURRENT
RIPPLE (IFLED = 1600mA)
MAX77311 toc19b
IFLED
AC-COUPLED
VOUT
AC-COUPLED
20mV/div
10mA/div
400ns/div



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