MP2487 MPS, MP2487 Datasheet - Page 5

• Manufacturer Part Number: MP2487
• Description: 55v, 1a High Power Led Driver
• Manufacturer: MPS

TYPICAL PERFORMANCE CHARACTERISTICS
V
MP2487 Rev. 0.9
1/26/2010
IN
=44V, I
200mA/div
200mA/div
200mA/div
200mA/div
I
I
INDUCTOR
INDUCTOR
50V/div
20V/div
20V/div
5V/div
V
V
I
V
I
V
LED
LED
SW
SW
EN
IN
LED
Steady State Operation
EN Shutdown
=330mA, 10 WLED series, unless otherwise noted.
4us/div
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
200mA/div
500mV/div
20V/div
5V/div
V
© 2010 MPS. All Rights Reserved.
COMP
V
I
V
LED
SW
100
EN
www.MonolithicPower.com
98
96
94
92
90
30
10 WLED@330mA
PWM Dimming
f
Efficiency vs. Input Voltage
PWM
35
=200Hz,D
INPUT VOLTAGE(V)
40
MP2487 – 55V, 1A, HIGH-POWER LEDS DRIVER
2ms/div
45
PWM
50
=50%
55
60
200mA/div
200mA/div
I
INDUCTOR
50V/div
5V/div
V
V
I
LED
SW
EN
EN Start Up
5