YEV09T03 3A DC-DC POL Converter
4.5V to 13.8V Input ? 0.59V to 5.1V Output
Data Sheet
Parameter
Conditions/Description
Min
Nom
Max
Units
Switching Frequency
560
kHz
Turn-On Delay Time
Output Current (I OUT )
Output Current Derating
1
POL is Enabled
Turn-On Delay Time 1
POL is Disabled
Rise Time 1
C OUT =0 μF, Resistive Load
Admissible Output Capacitance
V IN MIN to V IN MAX
T AMB ≤ 70°C
ON/OFF pin is pulled high
From V IN =V IN MIN to V OUT =0.1*V OUT.SET
V IN =12V
From ON/OFF pin changing its state
from low to high until V OUT =0.1*V OUT.SET
From V OUT =0.1*V OUT.SET to
V OUT =0.9*V OUT.SET
I OUT =I OUT MAX , Resistive load, ESR>1m ?
0
0.3
0.3
1.2
3
3
1
1
3
1,140
ADC
ADC
ms
ms
ms
μF
__________________________
1
Total start-up time is the sum of the turn-on delay time and the rise time
4.3
Protection Specifications
Parameter
Conditions/Description
Min
Nom
Max
Units
Output Overcurrent Protection
Type
Auto-Restart
Inception Point
Output Short Circuit
Current (RMS value)
4.4
Feature Specifications
R OUT <0.01 ?
105
150
1
%I OUT
A
Parameter
Conditions/Description
Min
Nom
Max
Units
Enable (ON/OFF pin)
Positive (enables the output
ON/OFF Logic
when ON/OFF pin is open or
pulled high)
N/A
ON/OFF High Input Voltage
ON/OFF High Input Current
ON/OFF Low Input Voltage
ON/OFF Low Input Current
ZD-01968 Rev 1.2, 18-Jun-10
POL is ON
POL is ON
POL is OFF
POL is OFF
www.power-one.com
2.4
-0.3
Page 4 of 10
5.5
1.0
0.4
0.55
VDC
mADC
VDC
mADC
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