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參數(shù)資料
| 型號(hào)： | EV2354DS-00A |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 2A, 23V, 380KHz Step-Down Converter |
| 中文描述： | 2A條，為23V，380KHz降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 241K |
| 代理商： | EV2354DS-00A |
MP2354 – 2A, 23V, 380KHz STEP-DOWN CONVERTER
MP2354 Rev. 1.4
1/6/2006
www.MonolithicPower.com
2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
SYNC
BST
VIN
LX
RUN
COMP
FB
GND
1
2
3
4
8
7
6
5
TOP VIEW
MP2354_PD01-SOIC8
Part Number*
MP2354DS
Package
SOIC8
Temperature
–40
°
C to +85
°
C
*
For Tape & Reel, add suffix –Z (eg. MP2354DS–Z)
For Lead Free, add suffix –LF (eg. MP2354DS–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
Supply Voltage (V
IN
) .................................... 25V
Switch Voltage (V
LX
) .......................–1V to +26V
Bootstrap Voltage (V
BST
).......................V
LX
+ 6V
Feedback Voltage (V
FB
)................... –0.3 to +6V
Enable/UVLO Voltage (V
RUN
)........... –0.3 to +6V
Comp Voltage (V
COMP
)..................... –0.3 to +6V
Sync Voltage (V
SYNC
) ....................... –0.3 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
Operating Temperature .............–40
°
C to +85
°
C
Thermal Resistance
(3)
SOIC8....................................105..... 50...
°
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
Feedback Voltage
Upper Switch On Resistance R
DS(ON)1
Lower Switch On Resistance R
DS(ON)2
Upper Switch Leakage
Current Limit
(4)
Current Sense
Transconductance
Output Current to Comp Pin
Voltage
Error Amplifier Voltage Gain
Error Amplifier
Transconductance
Oscillator Frequency
Short Circuit Frequency
Sync Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Symbol Condition
V
FB
4.75V
≤
V
IN
≤
23V
Min
1.198
2.7
Typ
1.222
0.18
10
0
3.4
Max
1.246
10
Units
V
μA
A
V
RUN
= 0V, V
LX
= 0V
G
CS
1.95
A/V
A
VEA
400
V/V
G
EA
I
C
=
±
10μA
500
700
1000
μA/V
f
S
V
FB
= 0V
Sync Drive 0V to 2.7V
V
FB
= 1.0V
V
FB
= 1.5V
342
445
380
35
90
418
600
0
KHz
KHz
KHz
%
%
D
MAX
D
MIN
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EV2355DN-00A | 3A, 23V, 380KHz Step-Down Converter |
| EV2358DQ-00A | 2A, 23V, 370KHz Step-Down Converter |
| EV2358DS-00A | 2A, 23V, 370KHz Step-Down Converter |
| EV2359DJ-00B | 1.2A, 24V, 1.4MHz Step-Down Converter in a TSOT23-6 |
| EV2360DG-00B | 1.8A, 24V, 1.4MHz Step-Down Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EV2355DN-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:3A, 23V, 380KHz Step-Down Converter |
| EV2358DQ-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 23V, 370KHz Step-Down Converter Evaluation Board |
| EV2358DS-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 23V, 370KHz Step-Down Converter |
| EV2359DJ-00B | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.2A, 24V, 1.4MHz Step-Down Converter in a TSOT23-6 |
| EV2360DG-00B | 制造商:Monolithic Power Systems 功能描述:EVAL KIT FOR 1.8A, 24V, 1.4MHZ STEP-DOWN CNVRTR IN 2MM X 2MM - Bulk |
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