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Part Number: ISL97702
Description: The ISL97702 represents a high efficiency, boost converter with integrated boost FET, boost diode and input disconnect ...
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ISL97702
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DataSheet
General Description
ISL97702 General Description
The ISL97702 represents a high efficiency, boost converter with integrated boost FET, boost diode and input disconnect FET. A dual feedback circuit allows simple switching between two pre-defined output vbltages using a single logic input..
With an input voltage of 2.3V to 5.5V the ISL97702 has an output capability of up to 50mA at 18V using integrated 500mA switches. Efficiencies are up to 87%. The integrated protection FET is used to disconnect the boost inductor from the input supply whenever an output fault condition is detected, or when the device is disabled. This gives 0 output current in the disabled mode, compared to standard boost converters where current can still flow when the device is disabled.
The ISL97702 comes in the 10 Ld 3x3 DFN package and is specified for operation over the -40°C to 85°C temperature range.
ISL97702 Maximum Ratings
VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 6V
VOUT to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to 31V
LX to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VOUT+1V
VDDOUT, NSYNC, FB0, FB1, SEL, NEN
to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD+0.3V
Continuous Current in VDD, GND, VDDOUT, LX . . . . . . . . . . .650mA
Continuos Current in NSYNC, FB0, FB1, SEL, NEN. . . . . . . . . . 10mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
TA Ambient Operating Temperature. . . . . . . . . . . . -40°C to +85°C
TJ Operating Junction Temperature. . . . . . . . . . . . . . . . . . . +125°C
VOUT to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to 31V
LX to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VOUT+1V
VDDOUT, NSYNC, FB0, FB1, SEL, NEN
to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD+0.3V
Continuous Current in VDD, GND, VDDOUT, LX . . . . . . . . . . .650mA
Continuos Current in NSYNC, FB0, FB1, SEL, NEN. . . . . . . . . . 10mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
TA Ambient Operating Temperature. . . . . . . . . . . . -40°C to +85°C
TJ Operating Junction Temperature. . . . . . . . . . . . . . . . . . . +125°C
ISL97702 Features
Up to 87% efficiency
2.3V to 5.5V input
Up to 28V output
50mA at 18V
Integrated boost Schottky diode
Input voltage disconnect switch
Dual output voltage selectable
Synchronization input
Chip enable
10 Ld 3x3 DFN package
Pb-free plus anneal available (RoHS compliant)
ISL97702 Typical Application
OLED display power
LED display power
Adjustable power supplies
ISL97702 Connection Diagram
ISL97702
PDF/DataSheet Download
- Datasheet: ISL97702
- File Size: 501599 KB
- Manufacturer: INTERSIL
- Click here to Download
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