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ZY7015 15A DC-DC Intelligent POL Data Sheet
3V to 13.2V Input ? 0.5V to 5.5V Output
4.
Electrical Specifications
Specifications apply at the input voltage from 3V to 13.2V, output load from 0 to 15A, ambient temperature from -40°C to 85°C,
100 ? F output capacitance, and default performance parameters settings unless otherwise noted.
4.1
Input Specifications
Parameter
Input voltage (V IN )
Input Current (at no load)
Undervoltage Lockout (VLDO
connected to VIN)
Undervoltage Lockout (VLDO
connected to V AUX =5V)
External Low Voltage Supply
VLDO Input Current
Conditions/Description
At V IN <4.75V, VLDO pin needs to be
connected to an external voltage source
higher than 4.75V
V IN ? 4.75V, VLDO pin connected to VIN
Ramping Up
Ramping Down
Ramping Up
Ramping Down
Connect to VLDO pin when V IN <4.75V
Current drawn from the external low
voltage supply at V LDO =5V
Min
3
4.75
Nom
50
4.2
3.75
3.0
2.5
50
Max
13.2
13.2
Units
VDC
mADC
VDC
VDC
VDC
VDC
VDC
mADC
4.2
Output Specifications
Programmable
Parameter
Output Voltage Range (V OUT )
Conditions/Description
1
Default (no programming)
Min
0.5
Nom
0.5
Max
5.5
Units
VDC
VDC
Output Voltage Setpoint Accuracy
V IN =12V, I OUT =0.5*I OUT MAX ,
F SW =500kHz, room temperature
(See Ordering Information)
Output Current (I OUT )
Line Regulation
Load Regulation
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Peak-to-Peak
Ripple and Noise
BW=20MHz
Full Load
Temperature Coefficient
V IN MIN to V IN MAX
V IN MIN to V IN MAX
0 to I OUT MAX
Slew rate 2.5A/ ? s, 50 - 100% load step
C OUT =300 ? F, F SW =1MHz
to 10% of peak deviation
V IN =5.0V, V OUT =0.5V
V IN =5.0V, V OUT =2.5V
V IN =13.2V, V OUT =0.5V
V IN =13.2V, V OUT =2.5V
V IN =13.2V, V OUT =5.0V
V IN =12V, I OUT =0.5*I OUT MAX
-15 2
±0.3
±0.3
100
50
10
15
15
25
35
20
15
ADC
%V OUT
%V OUT
mV
? s
mV
mV
mV
mV
mV
mV
ppm/°C
Switching Frequency
Duty Cycle Limit
Default
Programmable, 250kHz steps
Default
Programmable, 1.56% steps
500
0
500
90.5
1,000
95
kHz
kHz
%
%
1
2
ZY7015 is a step-down converter, thus the output voltage is always lower than the input voltage as show in Figure 1.
At the negative output current (bus terminator mode) efficiency of the ZY7015 degrades resulting in increased internal power dissipation.
Therefore maximum allowable negative current under specific conditions is 20% lower than the current determined from the derating curves
shown in paragraph 5.5.
ZD-00283 Rev. 2.5, 01-Jul-10
www.power-one.com
Page 3 of 34
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