參數(shù)資料
型號(hào)： MP2305
廠商： Monolithic Power Systems, Inc.
英文描述： 2A, 23V Synchronous Rectified Step-Down Converter
中文描述： 甲，為23V同步整流降壓轉(zhuǎn)換器
文件頁(yè)數(shù)： 2/10頁(yè)
文件大?。?/td> 305K
代理商： MP2305
MP2305 – 2A, 23V SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER
MP2305 Rev. 1.7
4/17/2006
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
MP2305_PD01
Part Number*
MP2305DS
Package
SOIC8
Temperature
–40° to +85°C
*
For Tape & Reel, add suffix –Z (eg. MP2305DS–Z)
For Lead Free, add suffix –LF (eg. MP2305DS–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
....................0.923V to 20V
Ambient Operating Temperature.... –40°C to +85°C
Thermal Resistance
(3)
SOIC8.....................................90...... 45...
°
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
Hysteresis
EN Lockout Threshold Voltage
EN Lockout 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
=
±
10μA
R
DS(ON)1
R
DS(ON)2
V
EN
= 0V, V
SW
= 0V
Minimum Duty Cycle
From Drain to Source
Min
0.900
2.4
Typ
1
1.3
0.923
1.1
400
800
130
130
3.4
1.1
Max
3.0
1.5
0.946
10
Units
μA
mA
V
V
V/V
μA/V
m
m
μA
A
A
G
CS
3.5
A/V
F
osc1
F
osc2
D
MAX
V
FB
= 0V
V
FB
= 1.0V
V
EN
Rising
340
100
90
220
1.5
KHz
KHz
%
ns
V
1.1
2.0
210
mV
2.2
2.5
210
2.7
V
mV
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MP2305DS 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 23V Synchronous Rectified Step-Down Converter
MP2305DS-LF 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2A/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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
MP2305DS-LF-Z 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2A/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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
MP2307 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:3A, 23V, 340KHz Synchronous Rectified Step-Down Converter
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
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