Microchip MIC3287-24YML-TR
Manufacturer No:
MIC3287-24YML-TR
Manufacturer:
Package:
8-VFDFN Exposed Pad, 8-MLF®
Description:
2x2mm White LED Driver w/ 24V OVP
Quantity:
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MIC3287-24YML-TR Information
Microchip MIC3287-24YML-TR technical specifications, attributes, parameters and parts with similar specifications to Microchip MIC3287-24YML-TR.
- Type
- Parameter
- Topology
- Boost
- +Vin min (V)
- 2.8
- +Vin max (V)
- 6.5
- Output Current
- 1A BJT
- Dimming
- PWM / Analog
- Package
- TSOT, VDFN
- Product Type
- LED Backlight
- VOUT
- 36
- llim Typ (A)
- 0.35
- llim Max (A)
- 0
- Type
- Parameter
- lq Typ
- 2.1mA
- Vfb (V)
- 0.25
- Tol Typ %
- ±7.5
- Duty Cycle Max
- 0.9
- Freq (Hz)
- 1.2M
- OVP
- Yes
- VEN (V)
- 1.5
- EN
- Yes
- Soft Start
- Yes
- UVLO Typ (V)
- Yes
Download datasheets and manufacturer documentation for Microchip MIC3287-24YML-TR.
Data Sheets:
The MIC3287 is a 1.2MHz pulse-width modulated (PWM) step-up switching regulator that is optimized for constant current white LED driving applications. With a maximum output voltage of 24V and a switch current of over 350mA, the MIC3287 drives a string of up to four white LEDs in series, ensuring uniform brightness and eliminating several ballast resistors.
The MIC3287 implements a constant frequency 1.2MHz PWM current-mode control scheme. The high frequency PWM operation saves board space by reducing external component sizes. The added benefit of the constant frequency PWM control scheme as opposed to variable frequency control schemes is much lower noise and input ripple injected back to the battery source. To optimize efficiency, the feedback voltage is set to only 250mV. The MIC3287 is also available with a maximum 24V over voltage protection.
The MIC3287 is available in low profile Thin SOT-23 5-pin and Thin SOT-23 6-pin packages. The MIC3287 has a junction temperature range of -40°C to +125°C.
- 2.8V to 6.5V input voltage
- 350mA switch current
- 1.2MHz PWM operation
- 250mV feedback voltage
- Optional 24V output over voltage protection (OVP)
- <1% line and load regulation
- <1µA shutdown current
- Over-temperature protection
- Under voltage lockout (UVLO)
- Low profile Thin SOT-23-5 package option
- Low profile Thin SOT-23-6 package option
- 8-pin 2mm x 2mm MLF®package option
- -40°C to +125°C junction temperature range
MIC3287-24YML-TR Relevant information
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