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STI9287B

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元
Market price
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元
Number of views:
1000
Product serial number
Vin Range (V):
2.7 to 24
Vout OVP (A):
30
Isw_Limit (A):
1.5
Switching Frequency (Hz):
1.0M
VFB (V):
0.202
Iq (μA):
20
LSFET Rds(on) (Ω):
0.2
Control Mode:
CM
Functions:
Non-sync.Boost
Package:
SOT23-6
Status:
MP
Quantity
-
+
Stock:
0
Category
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1
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FEATURES
Parameters
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION

  • High Efficiency: Up to 90%

  • 1.0MHz Constant Frequency Operation

  • Integrated Power MOSFET

  • Drives up to 7 Series WLEDs

  • 202mV Typical VFB Voltage

  • Soft-start/Dimming with wide PWM Frequency Range

  • UVLO, Thermal Shutdown

  • Internal Current limit

  • Over Voltage Protection

  • Small LC Filter Components

  • Minimize the External Component

  • <1µA Shutdown Current

  • SOT23-6 Package

We could not find any corresponding parameters, please add them to the properties table

The STI9287B is a step-up converter designed for driving up to 7 series white LED's from a single cell Lithium Ion battery. The STI9287B uses current mode, fixed frequency architecture to regulate an LED current, which is measured through an external current sense resistor. Its low 202mV typical feedback voltage with EN/PWM Pulling High reduces power loss and improves efficiency.

The STI9287B includes under-voltage lockout, current limiting and thermal overload protection preventing damage in the event of an output overload.

Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Internal soft start function can reduce the inrush current. SOT23-6 package type provides the best solution for PCB space saving and total BOM cost.

  • Camera Flash White LED

  • Mobile Phone, Smart Phone LED Backlight

  • PDA LED Back light

  • Digital Still Cameras

  • Camcorder

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STI9287C
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Relevant documents

STI9287B_DS_EN_V1.2
STI9287B_DS_EN_V1.2
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File size:
328KB
Number of downloads:
87
2020-09-14 15:16:23
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