2006.10.2
MPDTH03050A** Specification
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
s
ecifications or transact the a
roval sheet for
roduct s
ecifications before orderin
.
9. Characteristics
9 .1 Electrical Characteristics (Ta=25
o
C)
Unless otherwise stated,
Ta=25
o
C, Vin=3.3V, Vref=1.25V, Cin=220µF, Co1=470µF, Co2=200µF, Io=Iomax
Value
Item
Symbol
Condition
Min. Typ. Max.
Unit
Continuous 0 - ±6(*1) A
Output Current Io
Over
∆Vref Range
Repetitive
pulse
0 - ±8(*2) A
Input Voltage Range Vin
Over Io Range 2.95 3.3 3.65 V
Tracking Range for Vref ∆Vref
0.55 - 1.8 V
Tracking Tolerance to Vref | VTT -Vref |
Io=0A - - ±10 mV
Load Regulation ∆Regload
Over Io Range - ±10 - mV
Efficiency
η Io=4A - 88 - %
Ripple Voltage
Vr BW=20MHz, - 20 - mVpp
Short Circuit Protection
Io trip Reset, Followed by Auto-Recovery - 12 - A
ttr
Recovery Time - 80 - µsec
Transient Response
∆Vtr
15A/us load step,
from -1.5A to
+1.5A
Vo Deviation - 25 40 mV
Rising UVLO Threshold UVLOr
Vin Increasing - 2.45 2.8 V
Falling UVLO Threshold UVLOf
Vin Decreasing 1.9 2.1 - V
Input High Voltage VIH
This pin should left open
to operate (*3)
Input Low Voltage VIL
-0.2 - 0.6 V
Input Low Current IIL inhibit
- 130 - uA
Input Standby Current Iin inh
Inhibit to GND - 10 - mA
Operating Frequency
Frq - 600 - kHz
External Input Capacitor
Cin
220
(*4)
- - µF
Non-Ceramic (ESR≧4mΩ)
470
(*5)
- 3300 µF
External Output Capacitor
Cout
Ceramic 0
200
(*5)
300 µF
MTBF MTBF
Per Bellcore TR-332, 50% stress,
Ta=40°C, Ground Benign
6 - - 10
６
Hrs
