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MP4569 датащи(PDF) 3 Page - Monolithic Power Systems

номер детали MP4569
подробное описание детали  75V, 0.3A Synchronous Step-Down Converter
PDF  17 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP4569 датащи(HTML) 3 Page - Monolithic Power Systems

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MP4569―75V, 0.3A, SYNCHRONOUS STEP-DOWN CONVERTER
MP4569 Rev. 1.0
www.MonolithicPower.com
3
9/12/2014
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
PACKAGE REFERENCE
TOP VIEW
GND
IN
EN
VREF
FB
1
2
3
4
5
SW
BST
BIAS
POK
SS
10
9
8
7
6
EXPOSED PAD
ON BACKSIDE
GND
IN
EN
FB
SW
BST
BIAS
SS
1
2
3
4
8
7
6
5
TOP VIEW
QFN-10 (3mmx3mm)
SOIC-8 EP
ABSOLUTE MAXIMUM RATINGS (1)
Supply Voltage (VIN) ………… ..... -0.3V to +80V
Switch Voltage (VSW) …… …….-0.3V to VIN + 1V
BST to SW……………………. ……-0.3 to +6.0V
All Other Pins……………… . ……-0.3V to +6.0V
EN Sink Current ………………..........……150μA
Continuous Power Dissipation (TA = +25°C)
(2)
QFN-10 (3mmx3mm)…………………….......2.5W
SOIC-8 EP ……..…………………..…………2.6W
Junction Temperature…………..…………150
°C
Lead Temperature ………… ......…………260
°C
Storage Temperature…………. -65°C to +150
°C
Recommended Operating Conditions
(3)
Supply Voltage VIN ………… ........... 4.5V to 75V
Output Voltage VOUT
.. …………1V to 0.9xVIN
Operating Junction Temp. (TJ). -40°C to +125°C
Thermal Resistance
(4)
θJA
θJC
QFN-10 (3mmx3mm) …………50……12…
°C/W
SOIC-8 EP ……..………………48……12…
°C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The maximum allowable power dissipation is a function of the
maximum junction temperature TJ (MAX), the junction-to-
ambient thermal resistance θJA, and the ambient temperature
TA. The maximum allowable continuous power dissipation at
any ambient temperature is calculated by PD (MAX) = (TJ
(MAX)-TA)/θJA. Exceeding the maximum allowable power
dissipation will cause excessive die temperature, and the
regulator will go into thermal shutdown. Internal thermal
shutdown circuitry protects the device from permanent
damage.
3) The device is not guaranteed to function outside of its
operating conditions.
4) Measured on JESD51-7, 4-layer PCB.



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