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MP1542 датащи(PDF) 2 Page - Monolithic Power Systems

номер детали MP1542
подробное описание детали  700KHz/1.3MHz Boost Converter with a 2A Switch
PDF  10 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1542 датащи(HTML) 2 Page - Monolithic Power Systems

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MP1542 – 700KHz/1.3MHz BOOST CONVERTER WITH A 2A SWITCH
MP1542 Rev. 1.2
www.MonolithicPower.com
2
12/14/2005
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
PACKAGE REFERENCE
Part Number*
Package
Temperature
MP1542DK
MSOP8
–40
°C to +85°C
MP1542DH
MSOP8H
–40
°C to +85°C
* For Tape & Reel, add suffix –Z (eg. MP1542DK–Z)
For Lead Free, add suffix –LF (eg. MP1542DK–LF–Z)
ABSOLUTE MAXIMUM RATINGS (1)
SW............................................... –0.5V to +25V
IN ............................................... –0.5V to +25V
All Other Pins.............................. –0.3V to +6.5V
Junction Temperature...............................150
°C
Lead Temperature ....................................260
°C
Storage Temperature ..............–65
°C to +150°C
Recommended Operating Conditions
(2)
Supply Voltage VIN........................... 2.5V to 22V
Output Voltage VOUT ........................... 3V to 22V
Operating Temperature .............–40
°C to +85°C
Thermal Resistance
(3)
θJA
θJC
MSOP8 .................................. 150 ..... 65...
°C/W
MSOP8H (Exposed Pad)....... 120 ..... 12...
°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
VIN = VEN = 5V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
Operating Input Voltage
VIN
2.5
22
V
Undervoltage Lockout
VIN Rising
2.15
2.45
V
Undervoltage Lockout
Hysteresis
100
mV
Supply Current (Shutdown)
VEN = 0V
0.1
1
µA
Supply Current (Quiescent)
VFB = 1.35V
700
900
µA
VFSEL = VIN
1.1
1.3
1.5
MHz
Switching Frequency
fSW
VFSEL = GND
560
700
840
KHz
FSEL High Threshold
VFSEL Rising
1.5
V
FSEL Low Threshold
0.5
V
VFB = 0V, VFSEL = VIN
85
90
%
Maximum Duty Cycle
VFB = 0V, VFSEL = GND
92
95
EN High Threshold
VEN Rising
1.5
V
EN Low Threshold
0.5
V
EN Input Bias Current
VEN = 0V, 5V
1
µA
Soft-Start Current
6
µA
FB Voltage
1.225
1.25
1.275
V
FB Input Bias Current
–200
–100
nA
Error Amp Voltage Gain
AVEA
1000
V/V
Error Amp
Transconductance
GEA
350
µmho
Error Amp Output Current
35
µA
COMP
FB
EN
GND
Connect Exposed
Pad to Pin 4
1
2
3
4
8
7
6
5
SS
FSEL
IN
SW
TOP VIEW
MP1542_PD01-MSOP8



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