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參數(shù)資料
| 型號(hào)： | LP1704-222M |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.7MHz, 600mA Synchronous Step-Down Converter |
| 中文描述： | 為1.7MHz，600mA的同步降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大小： | 454K |
| 代理商： | LP1704-222M |
MP2104 – 1.7MHz 600mA SYNCHRONOUS STEP-DOWN CONVERTER
MP2104 Rev. 1.3
10/4/2005
www.MonolithicPower.com
4
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
TM
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 3.3V, V
OUT
= 1.8V, L1 = 10μH, C1 = 4.7μF, C3 = 10μF, T
A
= +25°C, unless otherwise noted.
2.05
1.95
1.85
1.75
1.65
1.55
1.45
1.35
1.25
O
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE (V)
MP2104-TPC09
Oscillator Frequency vs
Supply Voltage
1.810
1.808
1.806
1.804
1.802
1.800
O
2
3
4
5
6
SUPPLY VOLTAGE (V)
MP2104-TPC06
Output Voltage vs
Supply Voltage
I
LOAD
= 200mA
1.85
1.83
1.81
1.79
1.77
1.75
1.73
1.71
1.69
1.67
1.65
O
0 100 200 300 400 500 600 700 800 900
LOAD CURRENT (mA)
MP2104-TPC05
Output Voltage vs
Load Current
V
IN
= 3.3V
1.3
1.2
1.1
1.0
0.9
0.8
0.7
P
TEMPERATURE (
°
C)
MP2104-TPC08
PFET Current Limit vs
Temperature
0.620
0.615
0.610
0.605
0.600
0.595
0.590
0.585
0.580
R
-50 -30 -10 10 30 40 70 90 110130
TEMPERATURE (
°
C)
-50 -30 -10 10 30 40 70 90 110130
MP2104-TPC07
Regulated FB Voltage vs
Temperature
100
90
80
70
60
50
40
30
20
10
0
E
10
100
1000
LOAD CURRENT (mA)
MP2104-TPC03
Efficiency vs
Load Current
V
OUT
= 1.8V
V
IN
= 3.3V
100
90
80
70
60
50
40
30
20
10
0
E
10
100
1000
LOAD CURRENT (mA)
MP2104-TPC04
Efficiency vs
Load Current
V
OUT
= 1.8V
V
IN
= 4.2V
100
90
80
70
60
50
40
30
20
10
0
E
10
100
1000
LOAD CURRENT (mA)
MP2104-TPC02
Efficiency vs
Load Current
V
IN
= 3.3V
V
IN
= 4.2V
100
90
80
70
60
50
40
30
20
10
0
E
10
100
1000
LOAD CURRENT (mA)
MP2104-TPC01
Efficiency vs
Load Current
V
IN
= 3.3V
V
IN
= 4.2V
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