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MP1528 Datasheet(PDF) 2 Page - Monolithic Power Systems

Part # MP1528
Description  9 Lamp, 36V Precision White LED Driver
PDF  9 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1528 Datasheet(HTML) 2 Page - Monolithic Power Systems

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MP1528 – 9 LAMP, 36V PRECISION WHITE LED DRIVER
MP1528 Rev. 1.7
www.MonolithicPower.com
2
2/21/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
PACKAGE REFERENCE
MP1528_PD01_QFN6
TOP VIEW
FB
GND
SW
1
2
3
BRT
EN
BIAS
6
5
4
EXPOSED PAD
ON BACKSIDE
Part Number*
Package
Temperature
MP1528DQ
QFN6
(3mm x 3mm)
–40
°C to +85°C
* For Tape & Reel, add suffix –Z (eg. MP1528DQ–Z)
For Lead Free, add suffix –LF (eg. MP1528DQ–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage VBIAS to GND ....................... 42V
VSW to GND..................................–0.5V to +42V
VEN, VBRT, VFB to GND ....................–0.3V to +6V
Storage Temperature.............. –65
°C to +150°C
NC
FB
GND
SW
1
2
3
4
8
7
6
5
NC
BRT
EN
BIAS
TOP VIEW
MP1528_PD02-MSOP8H
Part Number**
Package
Temperature
MP1528DK
MSOP8
–40
°C to +85°C
** For Tape & Reel, add suffix –Z (eg. MP1528DK–Z)
For Lead Free, add suffix –LF (eg. MP1528DK–LF–Z)
Recommended Operating Conditions
(2)
Supply Voltage VBIAS........................ 2.7V to 36V
Operating Temperature .............–40
°C to +85°C
Thermal Resistance
(3)
θJA
θJC
QFN6 (3mm x 3mm)............... 50 ...... 14...
°C/W
MSOP8 .................................. 150 ..... 65...
°C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
VBIAS = VEN = 5.0V, VBRT = 1.2V, TA = +25°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Supply Current (Shutdown)
VEN < 0.4V
1
3
µA
Supply Current (Quiescent)
VEN > 2.0V, BRT = GND
650
800
µA
Minimum Off Time (Normal
Operation)
330
ns
Minimum Off Time (Startup)
1.2
µs
Under Voltage Lock Out
BIAS Under Voltage Lock Out
UVLO
VBIAS Rising,
100mV Hysteresis
2.1
2.65
V
Enable
EN High Threshold
0.8
1.2
1.5
V
EN Hysteresis
60
mV
EN Input Leakage Current
150
nA



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