參數(shù)資料
型號： MP2307
廠商： Monolithic Power Systems, Inc.
英文描述： 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter
中文描述： 第3A，為23V，340KHz的同步整流降壓轉(zhuǎn)換器
文件頁數(shù)： 2/11頁
文件大?。?/td> 353K
代理商： MP2307
MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
MP2307 Rev. 1.7
3/14/2006
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
BS
IN
SW
GND
SS
EN
COMP
FB
1
2
3
4
8
7
6
5
TOP VIEW
MP2307_PD01_SOIC8N
EXPOSED PAD
ON BACKSIDE
Part Number*
Package
SOIC8N
(Exposed Pad)
Temperature
MP2307DN
–40° to +85°C
*
For Tape & Reel, add suffix –Z (eg. MP2307DN–Z)
For Lead Free, add suffix –LF (eg. MP2307DN–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage V
IN
.......................–0.3V to +26V
Switch Voltage V
SW
................. –1V to V
IN
+ 0.3V
Boost Voltage V
BS
..........V
SW
– 0.3V to V
SW
+ 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)
Input Voltage V
IN
............................4.75V to 23V
Output Voltage V
OUT
....................0.925V to 20V
Ambient Operating Temp.............. –40°C to +85°C
Thermal Resistance
(3)
SOIC8N ..................................50...... 10...
°
C/W
θ
JA
θ
JC
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
V
IN
= 12V, T
A
= +25°C, unless otherwise noted.
Parameter
Shutdown Supply Current
Supply Current
Feedback Voltage
Feedback Overvoltage Threshold
Error Amplifier Voltage Gain
(4)
Error Amplifier Transconductance
High-Side Switch On-Resistance
(4)
Low-Side Switch On-Resistance
(4)
High-Side Switch Leakage Current
Upper Switch Current Limit
Lower Switch Current Limit
COMP to Current Sense
Transconductance
Oscillation Frequency
Short Circuit Oscillation Frequency
Maximum Duty Cycle
Minimum On Time
(4)
EN Shutdown Threshold Voltage
EN Shutdown Threshold Voltage
Hysterisis
Symbol Condition
V
EN
= 0V
V
EN
= 2.0V, V
FB
= 1.0V
V
FB
4.75V
≤
V
IN
≤
23V
A
EA
G
EA
I
C
=
±
10
μ
A
R
DS(ON)1
R
DS(ON)2
V
EN
= 0V, V
SW
= 0V
Minimum Duty Cycle
From Drain to Source
Min
0.900
4.0
Typ
0.3
1.3
0.925
1.1
400
820
100
100
0
5.8
0.9
Max
3.0
1.5
0.950
10
Units
μ
A
mA
V
V
V/V
μ
A/V
m
m
μ
A
A
A
G
CS
5.2
A/V
F
osc1
F
osc2
D
MAX
T
ON
V
FB
= 0V
V
FB
= 1.0V
V
EN
Rising
300
1.1
340
110
90
220
1.5
380
2.0
KHz
KHz
%
ns
V
220
mV
相關PDF資料
PDF描述
MP2307DN 3A, 23V, 340KHz Synchronous Rectified Step-Down Converter
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相關代理商/技術參數(shù)
參數(shù)描述
MP2307_06 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:3A, 23V, 340KHz Synchronous Rectified Step-Down Converter
MP2307DN 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:3A, 23V, 340KHz Synchronous Rectified Step-Down Converter
MP2307DN-LF 功能描述:開關變換器、穩(wěn)壓器與控制器 3A/23V Synch Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
MP2307DN-LF-Z 功能描述:開關變換器、穩(wěn)壓器與控制器 3A/23V Synch Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
MP2308GD-P 功能描述:直流/直流開關轉(zhuǎn)換器 4A/18V Synch Step-Down Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
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