MAX16820EVKIT+ Maxim Integrated Products, MAX16820EVKIT+ Datasheet - Page 5

• Manufacturer Part Number: MAX16820EVKIT+
• Description: EVAL KIT FOR MAX16820
• Manufacturer: Maxim Integrated Products

Specifications of MAX16820EVKIT+

• Current - Output / Channel: 1A
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 20V
• Features: Dimmable
• Voltage - Input: 5 ~ 28V
• Utilized Ic / Part: MAX16820
• Core Chip: MAX16820
• No. Of Outputs: 1
• Output Current: 1A
• Dimming Control Type: PWM
• Development Tool Type: Hardware - Eval/Demo Board
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Mcu Supported Families: MAX16820
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
noted.)
IN
= V
High-Side Current Sense and 5000:1 Dimming
PWM DIMMING AT 200Hz
PWM DIMMING AT 20kHz
DIM
(10% DUTY CYCLE)
(1% DUTY CYCLE)
= 12V, C
10µs/div
10µs/div
V
1 LED MAX16819
V
4 LEDS MAX16820
IN
IN
_______________________________________________________________________________________
VCC
= 12V, L = 47µH,
= 24V, L = 47µH,
2MHz High-Brightness LED Drivers with
= 1µF, R
MAX16819 toc09
MAX16819 toc12
SENSE
V
2V/div
0V
I
200mA/div
0A
V
2V/div
0V
I
200mA/div
0A
LED
LED
DIM
DIM
= 0.5Ω connected between IN and CSN. Typical values at T
Typical Operating Characteristics (continued)
PWM DIMMING EXPANDED
PWM DIMMING AT 20kHz
(50% DUTY CYCLE)
(90% DUTY CYCLE)
10µs/div
1µs/div
V
4 LEDS MAX16820
V
4 LEDS MAX16820
IN
IN
= 24V, L = 33µH,
= 24V, L = 33µH,
MAX16819 toc10
MAX16819 toc13
V
2V/div
0V
I
200mA/div
0A
V
2V/div
0V
I
200mA/div
0A
LED
LED
DIM
DIM
-0.5
-1.0
-1.5
-2.0
2.0
1.5
1.0
0.5
0
-40
I
-25 -10 5
LED
PWM DIMMING EXPANDED
VARIATION vs. TEMPERATURE
A
= +25°C, unless otherwise
(50% DUTY CYCLE)
TEMPERATURE (°C)
20
4µs/div
35 50 65
I
L = 47µH
LED(NOMINAL)
V
1 LED MAX16819
IN
= 12V, L = 47µH,
80
MAX16819 toc11
= 400mA
95
110
125
V
2V/div
0V
I
200mA/div
0A
LED
DIM
5