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See Technical Specifications

MIC3223YTSE

LED Driver IC 1 Output DC DC Regulator Step-Up (Boost) PWM Dimming 3.5A (Switch) 16-TSSOP-EP

Manufacturer:

Microchip Technology, Inc
Mfr.Part #:

MIC3223YTSE
Datasheet:

MIC3223YTSE Datasheet (PDF)
Type:

DC DC Regulator
Topology:

Step-Up (Boost)
Internal Switch(s):

Yes
Number of Outputs:

1
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MIC3223YTSE General Description

The MIC3223 is a constant current boost LED driver capable of driving a series string of high power LEDs. The MIC3223 can be used in general lighting, bulb replacement, garden pathway lighting, and other solid state illumination application.The MIC3223 is a peak current mode control PWM boost regulator and the 4.5V and 20V operating input voltage range allows multiple applications from a 5V or a 12V bus. The MIC3223 implements a fixed internal 1MHz switching frequency to allow for a reduction in the design footprint size. Power consumption has been minimized through the implementation of a 200mV feedback voltage that provides an accuracy of ±5%. The MIC3223 can be dimmed through the use of a PWM signal and features an enable pin for a low power shutdown state.The MIC3223 is a very robust LED driver and offers the following protection features: over voltage protection (OVP), thermal shutdown, switch current limiting and under voltage lockout (UVLO).The MIC3223 is offered in a low profile exposed pad 16-pin TSSOP package.

Key Features

4.5V to 20V supply voltage
200mV feedback voltage with an accuracy of ±5%
Step-up output voltage (boost) conversion up to 37V
1MHz switching frequency
100mO/3.5A internal power FET switch
LEDs can be dimmed using a PWM signal
User settable LED current (through external resistor)
Externally programmable soft-start
Protection features that include:
Output over voltage protection (OVP)
Under voltage lockout (UVLO)
Over temperature protection
Junction temperature range: -40°C to +125°C
Available in an exposed pad 16-pin TSSOP package

Microchip Technology, Inc Original Stock

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)LED Drivers	Series	-
Type	DC DC Regulator	Topology	Step-Up (Boost)
Internal Switch(s)	Yes	Number of Outputs	1
Voltage - Supply (Min)	4.5V	Voltage - Supply (Max)	20V
Voltage - Output	37V	Current - Output / Channel	3.5A (Switch)
Frequency	1MHz	Dimming	PWM
Applications	Lighting, Signage	Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount	Base Product Number	MIC3223