參數(shù)資料
型號(hào)： MP2371DG-Z
廠商： MONOLITHIC POWER SYSTEMS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, DSO8
封裝： 2 X 2 MM, MO-229VCCD-3, QFN-8
文件頁數(shù)： 3/10頁
文件大?。?/td> 650K
代理商： MP2371DG-Z
MP2371 – 1.8A, 24V, 700KHz STEP-DOWN CONVERTER
MP2371 Rev. 1.0
www.MonolithicPower.com
2
5/26/2008
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2008 MPS. All Rights Reserved.
PACKAGE REFERENCE
Part Number*
Package
Temperature
MP2371DG
2x2 QFN8
–40
°C to +85°C
* For Tape & Reel, add suffix –Z (eg. MP2371DG–Z)
For RoHS compliant packaging, add suffix –LF (eg.
MP2371DG–LF–Z)
ABSOLUTE MAXIMUM RATINGS (1)
Supply Voltage VIN....................................... 26V
VSW....................................... –0.3V to VIN + 0.3V
VBS ....................................................... VSW + 6V
All Other Pins................................. –0.3V to +6V
Junction Temperature...............................150
°C
Lead Temperature ....................................260
°C
Storage Temperature ..............–65
°C to +150°C
Recommended Operating Conditions
(2)
Supply Voltage VIN........................... 4.5V to 24V
Output Voltage VOUT ...................... 0.81V to 15V
Operating Temperature .............–40
°C to +85°C
Thermal Resistance
(3)
θJA
θJC
2x2 QFN8 ............................... 80 ...... 16...
°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 = 12V, TA = +25°C, unless otherwise noted.
Parameters
Symbol Condition
Min
Typ
Max
Units
Feedback Voltage
VFB
4.5V
≤ VIN ≤ 24V
0.790
0.810
0.830
V
Feedback Current
IFB
VFB = 0.8V
10
nA
Switch On-Resistance
(4)
RDS(ON)
0.3
Switch Leakage
VEN = 0V, VSW = 0V
0
10
A
Current Limit
(4)
Duty Cycle = 40%
2.0
2.5
A
Oscillator Frequency
fSW
VFB = 0.6V
700
KHz
Fold-back Frequency
VFB = 0V
230
KHz
Maximum Duty Cycle
VFB = 0.6V
87
%
Minimum On-Time
(4)
tON
100
ns
Under-Voltage Lockout Threshold Rising
2.5
2.8
3.1
V
Under-Voltage Lockout Threshold Hysteresis
150
mV
EN Input Low Voltage
0.4
V
EN Input High Voltage
1.5
V
VEN = 2V
2.1
EN Input Current
VEN = 0V
0.01
A
Supply Current (Shutdown)
VEN = 0V
0.1
1.0
A
Supply Current (Quiescent)
VEN = 2V, VFB = 1V
0.8
1.0
mA
Thermal Shutdown
(4)
150
°C
Note:
4) Guaranteed by design.
QFN8
(2mm x 2mm)
TOP VIEW
NC
SW
IN
EN
1
2
3
4
NC
BST
GND
FB
8
7
6
5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MP2377DN-LF-Z 制造商:Monolithic Power Systems 功能描述:MONOLITHIC STEP-DOWN SWITCH MODE CONVERTER - Tape and Reel
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