Microchip MIC2287CYD5-TR

Manufacturer No:

MIC2287CYD5-TR

Manufacturer:

Microchip

Package:

SOT-23-5 Thin, TSOT-23-5

Description:

White LED Driver w/ 34V OVP

Quantity:

Delivery:

Payment:

In Stock :Available

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MIC2287CYD5-TR information

Microchip MIC2287CYD5-TR technical specifications, attributes, parameters and parts with similar specifications to Microchip MIC2287CYD5-TR.

Type
Parameter

Topology
Boost

+Vin min (V)
2.5

+Vin max (V)
10

Output Current
2A BJT

Dimming
PWM / Analog

Package
TSOT, VDFN

Product Type
LED Backlight

VOUT
34

llim Typ (A)
0.75

llim Max (A)
0

lq Typ
2.5mA

Vfb (V)
0.095

Tol Typ %
±10

Duty Cycle Max
0.9

Freq (Hz)
1.2M

VEN (V)
1.5

Soft Start
Yes

UVLO Typ (V)
2.1

Ceramic Cap
Yes

Oja (C/W)
252, 90

Download datasheets and manufacturer documentation for Microchip MIC2287CYD5-TR.

Data Sheets:

3a48eb24636d34a4f73abc6d340c7945.pdf

The MIC2287C is a 1.2MHz pulse width modulated (PWM), boost-switching regulator that is optimized for constant-current, white LED driver applications. With a maximum output voltage of 34V and a switch current of over 500mA, the MIC2287C easily drives a string of up to eight white LEDs in series, ensuring uniform brightness and eliminating several ballast resistors.

The MIC2287C implements a constant frequency, 1.2MHz PWM control scheme. The high frequency PWM operation saves board space by reducing external component sizes. The added benefit of the constant frequency PWM scheme as opposed to variable frequency topologies is much lower noise and input ripple injected back to the battery source.

To optimize efficiency, the feedback voltage is set to only 95mV. This reduces the power dissipation in the current set resistor and allows the lowest total output voltage, hence minimal current draw from the battery.

The MIC2287C is available with three levels of overvoltage protection, 15V, 24V, and 34V. This allows designers to choose the smallest possible external components with the appropriate voltage ratings for their applications.

The MIC2287C has a junction temperature range of -40°C to +105°C.

2.5V to 10V input voltage
Output voltage up to 34V
Over 500mA switch current
1.2 MHz PWM operation
95mV feedback voltage
Output over voltage protection (OVP)
Options for 15V, 24V, and 34V OVP
Over-temperature protection
UVLO
Low profile Thin SOT-23-5 package option
-40°C to +105°C junction temperature range
For higher performance specifications see the MIC2287

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