MAX16836ASA 데이터 시트보기 (PDF) - Maxim Integrated

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MAX16836ASA

High-Voltage, 350mA, High-Brightness LED Driver with PWM Dimming and 5V Regulator

Maxim Integrated 

High-Voltage, 350mA, High-Brightness LED

Driver with PWM Dimming and 5V Regulator

Typical Operating Characteristics (continued)

(VIN = VEN = +12V, TA = +25°C, unless otherwise noted.)

200Hz DIMMED OPERATION (EXPANDED)

MAX16836 toc11

ILOAD = 350mA

VIN = VEN = 12V

DIM PULSED AT

200Hz (50%

DUTY CYCLE)

VDIM

2V/div

0V

ILOAD

200mA/div

0A

20µs/div

VSENSE vs. VCS-

206

ILOAD = 350mA

204

202

200

198

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

VCS- (V)

PIN

TQFN

SO

1, 16

8

2, 3

1

4–8, 14

—

9

2

10

3

11

4

12

5

13

6

15

7

—

—

Pin Description

NAME

OUT

IN

N.C.

CS+

CS-

V5

GND

DIM

EN

EP

FUNCTION

Current-Regulated Output. Connect pin 1 to pin 16.

Positive Input Supply. Bypass IN with a 0.1µF (min) capacitor to GND. Connect pin 2 to pin

No Connection. Not internally connected.

Positive Input of the Internal Differential Amplifier. Connect the current-sense resistor

between CS+ and CS- to program the output current level.

Negative Input of the Internal Differential Amplifier. Connect the current-sense resistor

between CS- and CS+ to program the output current level.

+5V Regulated Output. Connect a 0.1µF capacitor from V5 to GND.

Ground

Pulsed Dimming Input. Drive DIM low to disable the output. Drive DIM high or leave

unconnected to enable the output.

Enable Input. Drive EN high to enable the output.

Exposed Pad. Connect to the ground plane for effective power dissipation. Do not use as

the only ground connection.

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