MP1593DN データシートの表示（PDF） - Monolithic Power Systems
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MP1593DN Datasheet PDF : 11 Pages
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MP1593 – 3A, 28V, 385KHz STEP-DOWN CONVERTER
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
EN Threshold Voltage
Enable Pull Up Current
Under-Voltage Lockout
Threshold
VEN = 0V
VIN Rising
Under-Voltage Lockout
Threshold Hysteresis
Soft-Start Period
CSS = 0.1µF
Thermal Shutdown
Min
Typ
Max Units
0.9
1.2
1.5
V
1.0
1.7
2.5
µA
2.3
2.6
2.9
V
210
mV
10
ms
160
°C
TYPICAL PERFORMANCE CHARACTERISTICS
Refer to Typical Application Schematic on Page 1
Feedback Voltage vs
Temperature
1.245
1.235
1.225
1.215
1.205
1.195
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Peak Current Limit vs
Temperature
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
-50 -25 -0 25 50 75 100 125 150
TEMPERATURE (°C)
Oscillation Frequency vs
Temperature
420
410
400
390
380
370
360
350
340
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Soft-Start
Waveforms
Turn Off
Waveforms
Load Transient
Waveforms
4ms/Div.
VOUT
1V/Div.
IL
1A/Div.
VOUT
1V/Div.
IL
1A/Div.
VOUT
100mV/Div.
IL
1A/Div.
VIN = 12V, VOUT = 3.3V, 1A - 2A STEP
MP1593 Rev. 1.9
www.MonolithicPower.com
3
9/14/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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