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MP1497S 数据表(PDF) 2 Page - Monolithic Power Systems

部件名 MP1497S
功能描述  High-Efficiency, 3A, 16V, 500kHz Synchronous, Step-Down Converter
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP1497S 数据表(HTML) 2 Page - Monolithic Power Systems

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MP1497S – SYNCHRONOUS, STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
MP1497S Rev. 1.01
www.MonolithicPower.com
2
9/7/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
ORDERING INFORMATION
Part Number*
Package
Top Marking
MP1497SGJ
TSOT23-8
AJT
* For Tape & Reel, add suffix –Z (e.g. MP1497SGJ–Z).
.PACKAGE REFERENCE
SS
IN
SW
GND
FB
VCC
EN/SYNC
BST
1
2
3
4
8
7
6
5
TOP VIEW
ABSOLUTE MAXIMUM RATINGS (1)
VIN ..................................................-0.3V to 17V
VSW...-0.3V (-5V for <10ns) to 17V (19V for 5ns)
VBST ........................................................ VSW+6V
All Other Pins............................... -0.3V to 6V
(2)
Continuous Power Dissipation (TA = +25°C)
(3)
........................................................... 1.25W
Junction Temperature...............................150°C
Lead Temperature ....................................260°C
Storage Temperature................. -65°C to 150°C
Recommended Operating Conditions
(4)
Supply Voltage VIN ...........................4.5V to 16V
Output Voltage VOUT............... 0.8V to VIN x DMAX
Operating Junction Temp. (TJ). -40°C to +125°C
Thermal Resistance
(5)
θJA
θJC
TSOT23-8.............................. 100 ..... 55... °C/W
Notes:
1) Exceeding these ratings may damage the device.
2) About the details of the EN pin’s ABS MAX rating, please
refer to Page 9, Enable section.
3) 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.
4) The device is not guaranteed to function outside of its
operating conditions.
5) Measured on JESD51-7, 4-layer PCB.


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