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LQH4C100K04 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # LQH4C100K04
Description  1MHz, 800mA Synchronous Step-Down Converter
Download  8 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

LQH4C100K04 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP2105 – 1MHz 800mA SYNCHRONOUS STEP-DOWN CONVERTER
MP2105 Rev. 1.3
www.MonolithicPower.com
3
5/11/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
TM
TYPCIAL PERFORMANCE CHARACTERISTICS
VIN = 3.3V, VOUT = 1.8V, L1 = 4.7µH, C1 = 4.7µF, C3 = 10µF, TA = +25°C, unless otherwise noted.
MP2105-TPC03
Load Transient
(IOUT=0mA to 500mA step)
Light Load Operation
(IOUT=0mA)
0.603
0.602
0.601
0.600
0.599
0.598
0.597
-40
+20
0
-20
+40 +60 +80 +100
-40
+20
0
-20
+40 +60 +80 +100
TEMPERATURE (
°C)
MP2105-TPC01
Feedback Voltage vs
Temperature
VIN=3.3V
VIN=4.2V
100
95
90
85
80
75
70
65
60
55
50
10
100
1000
LOAD CURRENT (mA)
MP2105-EC01
95
90
85
80
75
70
65
60
55
50
10
100
1000
LOAD CURRENT (mA)
MP2105-TPC04
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
TEMPERATURE (
°C)
MP2105-TPC02
Switching Frequency vs
Temperature
MP2105-EC02
VIN=3.3V
VIN=4.2V
VOUT
100mV/div.
IOUT
0.5A/div.
VOUT
10mV/div.
IL
0.2A/div.
SW
2V/div.


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