MP2487 MPS, MP2487 Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS
V
Specifications over temperature are guaranteed by design and characterization.
Note:
5) Guaranteed by design.
MP2487 Rev. 0.9
1/26/2010
Parameter
Feedback Voltage
Upper Switch On Resistance
Upper Switch Leakage
Current Limit
Error Amp Voltage Gain
Error Amp Transconductance
Error Amp Min Source current
Error Amp Min Sink current
VIN UVLO Threshold
VIN UVLO Hysteresis
Soft-Start Time
Oscillator Frequency
Minimum Switch On Time
Shutdown Supply Current
Quiescent Supply Current
Thermal Shutdown
Minimum Off Time
Minimum On Time
EN Up Threshold
EN Threshold Hysteresis
IN
= 12V, V
EN
= 2.5V, V
(5)
(5)
(5)
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
COMP
(5)
(5)
= 1.4V, T
Symbol Condition
R
A
G
DS(ON)
V
VEA
f
FB
EA
s
A
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= +25°C, unless otherwise noted.
www.MonolithicPower.com
4.5V < V
V
V
At Maximum Duty Cycle
I
V
V
V
20mV < V
R
V
No load, V
Hysteresis = 20
COMP
BST
EN
FB
FB
IN
EN
FREQ
rising
= 175mV
= 225mV
= 0V, V
< 0.3V
– V
= ±3µA
= 495kΩ
SW
IN
FB
FB
MP2487 – 55V, 1A, HIGH-POWER LEDS DRIVER
< 55V
= 5V
SW
< 190mV
= 240mV
= 0V
°C
Min
188
150
1.3
2.7
1.3
0.18
Typ
200
220
400
350
200
100
130
150
100
100
300
-10
0.1
1.5
3.0
0.4
1.5
10
12
Max
212
250
3.3
1.7
25
Units
µA/V
kHz
V/V
mV
mΩ
mV
µA
µA
µA
ms
µA
µA
°C
ns
ns
ns
A
V
V
V
3