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參數(shù)資料
| 型號： | LQH4C100K04 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.6MHz Synchronous Step-Down plus 200mA LDO |
| 中文描述： | 1.6MHz的同步降壓型加200mA的LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 475K |
| 代理商： | LQH4C100K04 |
MP2101 – 1.6MHz SYNCHRONOUS STEP-DOWN PLUS 200mA LDO
MP2101 Rev. 1.0
8/18/2006
www.MonolithicPower.com
5
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
TYPICAL PERFORMANCE CHARACTERISTICS
(continued)
V
IN
= 3.6V, V
OUT1
= 1.8V, V
OUT2
= 1.2V, C
IN1
= 4.7μF, C
IN2
= 1μF, C
O1
= 10μF, C
O2
= 1μF, L = 2.2μH,
T
A
= +25
°
C, unless otherwise noted.
EN
2V/div.
PWROK
2V/div.
V
1V/div.
V
1V/div.
EN
5V/div.
PWROK
5V/div.
V
1V/div.
V
1V/div.
Enable Turn On
EN
= 3.6V, I
OUT1
= 0.3A,
I
OUT2
= 0.1A Resistive Load
Enable Turn Off
EN
= 3.6V, I
OUT1
= 0.3A,
I
OUT2
= 0.1A Resistive Load
1.206
1.205
1.204
1.203
1.202
O
0
40
LOAD CURRENT (mA)
80
120
160
200
Output Voltage vs
Load Current
2.53
2.52
2.51
2.50
2.49
O
0
40
LOAD CURRENT (mA)
80
120
160
200
Output Voltage vs
Load Current
V
OUT2
= 2.5V
1.56
1.54
1.52
1.50
1.48
O
0
40
LOAD CURRENT (mA)
80
120
160
200
Output Voltage vs
Load Current
V
OUT2
= 1.5V
LDO
LDO
LDO
V
IN
=3.3V
V
IN
=3.3V
V
IN
=1.8V
FB1
FB2
0.62
0.61
0.60
0.59
0.58
F
-40
-10
+20
+50
+80
+140
+110
TEMPERATURE (
°
C)
Feedback Voltage vs
Temperature
0.5
0.4
0.3
0.2
0.1
0.0
D
0
50
LOAD CURRENT (mA)
100
150
200
250
LDO Dropout vs
Load Current
1.8
1.7
1.6
1.5
1.4
1.3
F
4.0
4.4
INPUT VOLTAGE (V)
4.8
5.2
5.6
6.0
Frequency vs
Input Voltage
100
90
80
70
60
50
40
30
20
10
0
P
10
100
1K
10K
100K
1M
FREQUENCY (Hz)
PSRR vs
Frequency
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