ZY7120 Datasheet, PDF (6/34 Pages) Power-One – 20A DC-DC Intelligent POL Data Sheet 3V to 13.2V Input 0.5V to 5.5V Output

ZY7120 20A DC-DC Intelligent POL Data Sheet
3V to 13.2V Input • 0.5V to 5.5V Output
4.4 Feature Specifications
Parameter
Conditions/Description
Min
Nom
Max
Current Share
Type
Maximum Number of Modules
Connected in Parallel
Maximum Number of Modules
Connected in Parallel
Current Share Accuracy
I_{OUT MIN}≥20%*I_{OUT NOM}
I_{OUT MIN}=0
I_{OUT MIN}≥20%*I_{OUT NOM}
Active, Single Line
10
4
±20
Interleave (Phase Shift)
Turn ON Delay
Turn OFF Delay
Turn ON Slew Rate
Turn OFF Slew Rate
Load Regulation
Zero1 (Effects phase lead and
increases gain in mid-band)
Zero 2 (Effects phase lead and
increases gain in mid-band)
Pole 1 (Integrator Pole, effects
loop gain)
Pole 2 (Effects phase lag and
limits gain in mid-band)
Pole 3 (High frequency low- pass
filter to limit PWM noise)
Voltage Monitoring Accuracy
Current Monitoring Accuracy
Interleave
Default
Programmable in 11.25° steps
0
0
Sequencing
Default
Programmable in 1ms steps
Default
Programmable in 1ms steps
0
0
0
0
Tracking
Default
Programmable in 7 steps
Default
Programmable in 7 steps
0.1
0.1
-0.1
-0.1
Optimal Voltage Positioning
Default
Programmable in 7 steps
0
0
Feedback Loop Compensation
Programmable
0.05
Programmable
0.05
Programmable
0.05
Programmable
1
Programmable
Monitoring
1 LSB=22mV
20%*I_{OUT NOM} < I_OUT < I_{OUT NOM}
1
-2%V_OUT
– 1 LSB
-20
348.75
255
63
8.33¹
-8.33¹
6.02
50
50
50
1000
1000
2%V_OUT
+ 1 LSB
+20
Temperature Monitoring Accuracy Junction temperature of POL controller
-5
+5
Remote Voltage Sense (+VS and –VS pins)
Voltage Drop Compensation
Between +VS and VOUT
300
Voltage Drop Compensation
Between -VS and PGND
100
___________________
1 _{Achieving fast slew rates under specific line and load conditions may require feedback loop adjustment}
Units
%I_OUT
Degree
degree
ms
ms
ms
ms
V/ms
V/ms
V/ms
V/ms
mV/A
mV/A
kHz
kHz
kHz
kHz
kHz
mV
%I_OUT
°C
mV
mV
REV. 2.1 MAR 14, 2007
www.power-one.com
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