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MAX77387 Datasheet(PDF) 21 Page - Maxim Integrated Products

Part # MAX77387
Description  Dual-Phase Adaptive DC-DC Step-Up Converter With 2x 1000mA High-Side Current Regulators
PDF  80 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX77387 Datasheet(HTML) 21 Page - Maxim Integrated Products

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MAX77387
Dual-Phase Adaptive DC-DC Step-Up Converter
With 2x 1000mA High-Side Current Regulators
21
Maxim Integrated
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 3.6V, TA = +25NC, unless otherwise noted.
MAX77387 toc48
500mA/div
2V/div
20mV/div
AC-COUPLED
IOUT = 1000mA, VOUT = 4.5V, VIN = 3.4V
400ns/div
0A
0V
VOUT
VLXA
ILXA
ILXB
HEAVY-LOAD SWITCHING
WAVEFORMS (2MHz,FPWM)
MAX77387 toc49
500mA/div
2V/div
20mV/div
AC-COUPLED
VIN = 2.5V, VOUT = 4.5V
200ns/div
0V
0A
VOUT
VLXA
ILXA
ILXB
1.25A CURRENT LIMIT
MAX77387 toc50
500mA/div
2V/div
20mV/div
AC-COUPLED
VIN = 3V, VOUT = 5V
200ns/div
0A
0V
VOUT
VLXA
ILXA
ILXB
1.5A CURRENT LIMIT
MAX77387 toc52
500mA/div
2V/div
20mV/div
AC-COUPLED
VIN = 3V, VOUT = 5V
200ns/div
0A
0V
VOUT
VLXA
ILXA
ILXB
2A CURRENT LIMIT
MAX77387 toc51
500mA/div
2V/div
20mV/div
AC-COUPLED
200ns/div
0A
0V
VOUT
VLXA
ILXA
ILXB
VIN = 3V, VOUT = 5V
1.75A CURRENT LIMIT
LED CURRENT RIPPLE (4MHz, FWPM)
MAX77387 toc53
10mA/div
10mA/div
10mV/div
AC-COUPLED
2x IFLED = 100mA
VIN = 3.6V
VOUT
IFLED1
IFLED2
4µs/div



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