MAX1916EZT+T by Analog Devices

Low-Dropout, Constant-Current Triple White LED Bias Supply


The MAX1916 low-dropout bias supply for white LEDs is a high-performance alternative to the simple ballast resistors used in conventional white LED designs. The MAX1916 uses a single resistor to set the bias current for three LEDs, which are matched to 0.3%. The MAX1916 consumes only 40µA of supply current when enabled and 0.05µA when disabled. The MAX1916's advantages over ballast resistors include significantly better LED-to-LED bias matching, much lower bias variation with supply voltage variation, significantly lower dropout voltage, and in some applications, significantly improved efficiency. The MAX1916 requires a 200mV dropout at a 9mA load on each output to match the LED brightness. The MAX1916 is available in a space-saving 6-pin Thin SOT23 package.

Where to Buy

Prices starting from US$1.44

Distributor Stock
Logo for Farnell
Farnell
from US$1.44
105
in stock
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Analog Devices
from US$1.58
3,238
in stock
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Newark Electronics
from US$1.64
105
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element14
from US$1.50
105
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Features

Low 200mV Dropout at 9mA
Up to 60mA/LED Bias Current
0.3% LED Current Matching
Simple LED Brightness Control
Low 40µA Supply Current
Low 0.05µA Shutdown Current
2.5V to 5.5V Supply Voltage Range
Thermal Shutdown Protection
Tiny 6-Pin Thin SOT23 Package (1mm High)

Specifications

VIN (V) (min) 2.5
VIN (V) (max) 5.5
Max. No. of LEDs 3
# LED Channels 3
Regulation Topology Linear
Battery Input 1-Cell Li+
LED Configuration Parallel
ILED per Channel (A) (max) 0.06
Dimming Control Analog
VDROPOUT (mV) (typ) 100
VCURR_SENSE (mV) 100
POUT (W) 1
ICC (mA) (max) 0.1
LED String Volt. (V) (max) 5
Package/Pins TSOT/6
BudgetaryPrice (See Notes) 1.18


MAX1916EZT+T Semiconductors - ICs by Analog Devices

LED DRIVER LINEAR TSOT-23-6

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Device Topology Linear
No. of Outputs 3Outputs
Output Current 60mA
Output Voltage 5V
Driver Case Style TSOT-23
No. of Pins 6Pins
Input Voltage Min 2.5V
Input Voltage Max 5.5V
Switching Frequency -
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Low-Dropout, Constant-Current | Analog Devices
Led Driver, Linear, Tsot-23-6 | Newark Electronics
LED DRIVER, LINEAR, TSOT-23-6 | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX1916EZT+T ?

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Is the MAX1916EZT+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX1916EZT+T .

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