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參數(shù)資料
| 型號： | MP2303 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 3A, 28V, 340KHz Synchronous Rectified Step-Down Converter |
| 中文描述： | 第3A，28V的，340KHz的同步整流降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 395K |
| 代理商： | MP2303 |
MP2303 – 3A, 28V, 340KHz SYNCHRONOUS RECTIFIED, STEP-DOWN CONVERTER
INITIAL RELEASE – SPECIFICATIONS SUBJECT TO CHANGE
MP2303 Rev. 0.92
5/2/2006
www.MonolithicPower.com
3
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
ELECTRICAL CHARACTERISTICS
(4)
(continued)
V
IN
= 12V, T
A
= +25°C, unless otherwise noted.
Parameter
High-Side Switch-On Resistance
Low-Side Switch-On Resistance
High-Side Switch Leakage Current
Upper-Switch Current Limit
Lower-Switch Current Limit
COMP to Current Sense
Transconductance
Symbol Condition
R
DS(ON)1
R
DS(ON)2
V
EN
= 0V, V
SW
= 0V
From Drain to Source
Min
4.3
Typ
(4)
125
125
0
6.3
1.25
Max
10
Units
m
m
μA
A
A
G
CS
9
A/V
T
A
= +25
°
C
–40
°
C
≤
T
A
≤
+85
°
C
V
FB
= 0V
V
FB
= 0.7V
V
EN
Rising
300
270
1.1
340
110
90
220
1.5
380
400
2.0
KHz
KHz
KHz
%
ns
V
Oscillation Frequency
F
osc1
Short Circuit Oscillation Frequency
Maximum Duty Cycle
Minimum On-Time
EN Shutdown Threshold Voltage
EN Shutdown Threshold Voltage
Hysteresis
F
osc2
D
MAX
220
mV
–40
°
C
≤
T
A
≤
+85
°
C
V
IN
rising, T
A
= +25
°
C
–40
°
C
≤
T
A
≤
+85
°
C
2.2
2.1
3.8
3.5
2.5
210
4.05
2.7
2.8
4.30
4.70
V
V
mV
V
V
EN Lockout Threshold Voltage
EN Lockout Hysteresis
Input Under Voltage Lockout
Threshold
UVLO
Input Under Voltage Lockout
Threshold Hysterisis
Soft-Start Current
Thermal Shutdown
210
mV
V
SS
= 0V
6
μA
°C
160
Note:
4) 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MP2303_06 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:3A, 28V, 340KHz Synchronous Rectified Step-Down Converter |
| MP2303ADN-LF | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 3A, 28V, 360kHz Synchronous Buck 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 |
| MP2303ADN-LF-Z | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 3A, 28V, 360kHz Synchronous Buck 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 |
| MP2303DN | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:3A, 28V, 340KHz Synchronous Rectified Step-Down Converter |
| MP2303DN-LF | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 3A, 28V, 360kHz Synchronous Buck 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 |
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