MAX16822 datasheet(4/10 Pages) MAXIM

Part #	MAX16822

Description	2MHz, High-Brightness LED Drivers with Integrated MOSFET and High-Side Current Sense

PDF	10 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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MAX16822A/MAX16822B

2MHz, High-Brightness LED

Drivers with Integrated MOSFET

and High-Side Current Sense

NORMALIZED ILED

vs. VIN

VIN (V)

0.950

1.00

1.05

1.10

0.90

065

1 LED

3 LEDs

5 LEDs 7 LEDs

9 LEDs11 LEDs13 LEDs

15 LEDs

QUIESCENT CURRENT

vs. VIN

VIN (V)

45 50

15 20 25 30 35 40

5 10

100

150

200

250

300

350

400

450

500

065

VDIM = 0V

PWM DIMMING

AT 200Hz DUTY CYCLE (10%)

MAX16822A toc06

1ms/div

ILED

200mA/div

VDIM

5V/div

VIN = 48V

8 LEDs

Typical Operating Characteristics (continued)

(VIN = VDIM = 48V, CVCC = 1µF, RSENSE = 0.62Ω, L = 220µH (connected between IN and CS). Typical values are at TA = +25°C,

unless otherwise noted.)

LED CURRENT

vs. VTEMP_I

VTEMP_I (V)

2.4

2.0

1.2

1.6

0.8

0.4

100

150

200

250

300

350

400

450

500

02.8

ILED

vs. TEMPERATURE

TEMPERATURE (

°C)

110

-10

-25

0.1

0.2

0.3

0.4

0.5

-40

125

VIN = 48V

PWM DIMMING

AT 200Hz DUTY CYCLE (90%)

MAX16822A toc07

1ms/div

ILED

200mA/div

VDIM

5V/div

VIN = 48V

8 LEDs

PWM DIMMING

AT 20kHz DUTY CYCLE (90%)

MAX16822A toc08

μs/div

ILED

200mA/div

VDIM

5V/div

MAX16822 Datasheet(PDF) 4 Page - Maxim Integrated Products

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