MPDTY201S Short Form
1
DC-DC Converter Short Form
MPDTY201S
(Ultra Small POL)
■
Features
3.0-5.5V Wide Input Voltage Range
0.8-2.5V Wide Output Voltage Range
3Amp. Output Current
Small Footprint (93.5mm2)
On/Off Control Function
Short Circuit Protection
(Latch-mode Protection)
•
UVLO
•
•
•
•
•
•
11.0mm
■
GENERAL SPECIFICATIONS (Ta=25
ºC
)
Item
Input Voltage
Output Voltage
Output Current
Remote ON/OF
F
Ripple Voltage
Efficiency
Symbol
Vin
Vout
Iout
ON/OFF
Condition
Vin=5V
Vin=3.3V
Module enable (ON)
Module disable (OFF)
Vin=5V,Vo=2.5V,Io=3A.
Vin=5V,Vo=2.5V,Io=3A.
MIN.
3.0
0.8
0.8
0
2.0
TYP.
MAX.
5.5
2.5
1.8
3
0.8
Vrip
EFF
Vin
GND
20
87
UNIT
V
V
V
A
V
V
mVpp
%
■DIMENSIONS
11.0
MFG ID
1pin Marking
M
1
8
Top
View
4
5
1.3
8.4
1.3
Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’ s specifications are subject to change or our
products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.
2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
2008.1.21
5.6max
1.55
1.8
1.8
1.8
1.55
8.5
Top
View
+0.4mm
-0.2mm
+0.4mm
-0.2mm
Pin No.
1.
2.
3.
4.
5.
6.
7.
8.
Signal
Reserved
Vout
GND
+SENSE
GND
ON/OFF
Vin
TRIM
8.5mm
MPDTY201S Short Form
2
■TEST
CIRCUIT
Vin
Vout
+SENSE
RL
TRIM
Rtrim
GND
Cout: 1μF
Ceramic
7
2
Vin
Cin: 47μF
Ceramic
ON/OFF
6
Vcont
5
MPDTY201S
1
GND
Reserved
3
4
8
■OUTPUT
VOLTAGE ADJUSTMENT
Vout
1kΩ
TRIM pin
300Ω
Rtrim
MPDTY201S
Error amp
Rtrim＝
800
Vout[V]－0.8[V]
－300[Ω]
0.8V
<RTRIM CALCULATION EXAMPLE>
Vout(V)
2.5
1.8
1.5
1.2
1.0
0.8
Calculated Rtrim(Ω)
170.6
500
842.9
1700
3700
∞
Rtrim example(Ω)
160+10
470+30
820+22
1.5k＋200
36k＋100
Open
Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’ s specifications are subject to change or our
products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.
2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
2008.1.21
MPDTY201S Short Form
3
■EFFICIENCY
CHARACTERISTICS
Io-EFF characteristics (Vin=3.3V)
95
90
85
EFF [%]
80
75
70
65
60
0.0
0.5
1.0
1.5
Io [A]
Vout=1.8V
Vout=1.2V
Vout=0.8V
2.0
2.5
3.0
3.5
■
THERMAL DERATING
MPDTY201S Termal Derating
[ Vin=3.3V or 5V, Vout=0.8V-2.5V ]
3.5
3.0
2.5
Io [A]
2.0
1.5
1.0
0.5
0.0
20
30
40
50
60
70
80
90
Ta [°C ]
0m/s
1.0m/s
0.2m/s
1.5m/s
0.5m/s
2.0m/s
Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’ s specifications are subject to change or our
products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.
2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
2008.1.21
MPDTY201S Short Form
4
■
PCB LAND PATTERN RECOMMENDATION
1.8
1.8
1.8
8.6
Unit: mm
Recommended land size
2.4mm
×
1.4mm
■PACKAGING
INFORMATION
Embossed Tape Dimensions
Pull direction
Reel Dimensions
Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’ s specifications are subject to change or our
products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.
2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
2008.1.21
PCB设计
