EV1528DQ-00A Ver la hoja de datos (PDF) - Monolithic Power Systems
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EV1528DQ-00A Datasheet PDF : 9 Pages
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TM
MP1528 – 9 LAMP, 36V PRECISION WHITE LED DRIVER
ELECTRICAL CHARACTERISTICS (continued)
VBIAS = VEN = 5.0V, VBRT = 1.2V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min Typ Max Units
Open Load Shutdown
Threshold
Measured at BIAS
40
V
Bias Current
Feedback Comparator
VBIAS = 20V, VEN < 0.4V
VBIAS = 40V, VEN < 0.4V
5
µA
70
100
µA
FB Regulation Threshold
FB Hysteresis
VFB
VBRT = 1.2V
0.38 0.40 0.42
V
10
mV
FB Input Leakage Current
PWM Mode Using BRT
VFB = 0.2V
–150 –80
nA
Output-Off Threshold
0.18
0.27
V
BRT Input Leakage Current
BRT Full-Scale Threshold
VBRT = 0.6V
–100
nA
1.2
V
Output Switch
SW On-Resistance
SW Current Limit
RON
VBIAS = 5.0V
0.63
Ω
950
mA
Thermal Shutdown
160
°C
MP1528 Rev. 1.7
www.MonolithicPower.com
3
2/21/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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