參數(shù)資料
型號(hào): MP8640DL
廠商: MONOLITHIC POWER SYSTEMS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, DSO14
封裝: 3 X 4 MM, MO-229VGED-3, QFN-14
文件頁(yè)數(shù): 4/10頁(yè)
文件大小: 351K
代理商: MP8640DL
MP8640 – 3A, 23V, 600KHz STEP-DOWN WITH SYNCHRONOUS GATE DRIVER
MP8640 Rev. 1.0
12/13/2007
www.MonolithicPower.com
4
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2007 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 12V, V
OUT
= 3.3V, and T
A
= +28
°
C, unless otherwise noted.
P
0.1
0
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
DUTY CYCLE (%)
Peak Current vs.
Duty Cycle
5
0.9955
0.9960
0.9965
0.9970
0.9975
0.9980
0.9985
1.0000
0.9995
0.9990
1.0005
7
9 11 13 15 17 19 21 23 25
INPUT VOLTAGE (V)
Line Regulation
I
LOAD
=3A
N
0
0.5
0.9993
0.9994
0.9995
0.9996
0.9997
0.9998
0.9999
1.0000
1.0001
1.5
1.0
LOAD CURRENT (A)
2.0
3.0
2.5
3.5
Load Regulation
O
INPUT VOLTAGE (V)
Operating Range
OUTPUT CURRENT (A)
Case Temperature Rise
vs. Output Current
V
C
V
CC
Regulator Line
Regulation
0
850
855
860
865
870
875
880
885
890
895
900
5
INPUT VOLTAGE (V)
10
15
20
25
0
5
INPUT VOLTAGE (V)
10
15
20
25
0
5
10
15
20
25
0
0.5
35
36
37
38
39
40
41
42
43
44
1
1.5 2.0 2.5 3.0 3.5
0
0.1
0.2
0.3
0.4
0.5
0.6
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
0
0.1
1
10
100
5
10
15
20
25
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
Enable Supply Current
vs. Input Voltage
Disable Supply Current
vs. Input Voltage
V
EN
=0V
N
V
EN
=5V
V
FB
=1V
600KHz
V
IN
=23V
V
IN
=12V
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