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ZY1015A Schematic ( PDF Datasheet ) - Power-One

Teilenummer ZY1015A
Beschreibung No-Bus POL
Hersteller Power-One
Logo Power-One Logo 




Gesamt 17 Seiten
ZY1015A Datasheet, Funktion
ZY1015 15A No-Bus POL Data Sheet
3V to 14V Input 0.5V to 5.5V Output
Member of the
Family
www.DataSheet4U.com
Applications
Low voltage, high density systems with
Intermediate Bus Architectures (IBA)
Point-of-load regulators for high performance DSP,
FPGA, ASIC, and microprocessor applications
Industrial computing, servers, and storage
Broadband, networking, optical, and wireless
communications systems
Active memory bus terminators
Benefits
Integrates digital power conversion with intelligent
power management
Eliminates the need for external power
management components and communication bus
Completely programmable via pin strapping and
external R and C
One part that covers all applications
Reduces board space, system cost and
complexity, and time to market
Features
RoHS lead free and lead-solder-exempt products are
available
Wide input voltage range: 3V–14V
High continuous output current: 15A
Wide programmable output voltage range: 0.5V–5.5V
Active digital current share
Output voltage margining
Overcurrent and overtemperature protections
Overvoltage and undervoltage protections, and Power
Good signal tracking the output voltage setpoint
Programmable power-up delay
Tracking during turn-on and turn-off with guaranteed
slew rates
Sequenced and cascaded modes of operation
Single-wire line for frequency synchronization
between multiple POLs
Programmable interleave
Programmable feedback loop compensation
Enable control with programmable polarity
Flexible fault management and propagation
Start-up into the load pre-biased up to 100%
Full rated current sink
Real time current and temperature measurements,
monitoring, and reporting
Small footprint SMT package: 16x32mm
Low profile of 8mm
Compatible with conventional pick-and-place
equipment
Wide operating temperature range
UL60950 recognized, CSA C22.2 No. 60950-00
certified, and TUV EN60950-1:2001 certified
Description
The ZY1015 is an intelligent, fully programmable step-down point-of-load DC-DC module integrating digital power
conversion and intelligent power management. The ZY1015 completely eliminates the need for external
components for sequencing, tracking, protection, monitoring, and reporting. Performance parameters of the
ZY1015 are programmable by pin strapping and external resistor and capacitor and can be changed by a user at
any time during product development and service without a need for a communication bus.
REV. 1.2 MAR 14, 2007
www.power-one.com
Page 1 of 17






ZY1015A Datasheet, Funktion
ZY1015 15A No-Bus POL Data Sheet
3V to 14V Input 0.5V to 5.5V Output
EN Pin Polarity
EN High Threshold
EN Low Threshold
Open Circuit Voltage
Turn-On Delay
Turn-Off Delay
CCA=7 (default)
CCA=6
CCA=5
CCA=3 or CCA=4
CCA=2
CCA=1
CCA=0
Output Current Monitoring
Accuracy
Conversion Ratio
Temperature Monitoring
Accuracy
Conversion Ratio
Monitoring Voltage Range
Output Impedance
Type
Voltage Drop Compensation
Voltage Drop Compensation
Enable (EN and ENP pins)
ENP pin is pulled low
ENP pin is open
Negative (enables the output when EN pin is
pulled low)
Positive (enables the output when EN pin is
open or pulled high)
2.3 VDC
1.0 VDC
EN and ENP
3.3
From EN pin changing state to VOUT
starting to ramp up
From EN pin changing state to VOUT
reaching 0V
Feedback Loop Compensation (CCA0…CCA2 pins)
0
11
Recommended VIN range
Recommended COUT/ESR range,
combination of ceramic+ tantalum
Recommended VIN range
Recommended COUT range, tantalum
Recommended ESR range, tantalum
Recommended VIN range
Recommended COUT/ESR range, ceramic
Recommended VIN range
Recommended COUT/ESR range,
combination of ceramic + tantalum
Recommended VIN range
Recommended COUT/ESR range, tantalum
Recommended VIN range
Recommended COUT/ESR range, ceramic
Recommended VIN range
Recommended COUT/ESR range,
combination of ceramic+ tantalum
8
50/5 +
220/40
8
440
40
8
100/5
3
50/5 +
220/40
3
100/25
3
100/5
6
50/5 +
220/40
Output Current Monitoring (CS pin)
12
100/5 +
470/40
12
880
25
12
220/5
5
100/5 +
470/40
5
440/20
5
220/5
100/5 +
470/40
20%*IOUT NOM < IOUT < IOUT NOM
VIN=12V
Duty Cycle of the negative pulse
corresponding to 100% of nominal current
-20
65
Temperature Monitoring (TEMP pin)
14
400/5 +
2000/20
14
10,000
10
14
400/5
5.5
200/5 +
880/40
5.5
1,000/10
5.5
400/5
11
200/5 +
880/40
+20
VDC
ms
ms
VDC
µF/m
µF/m
VDC
µF
m
VDC
µF/m
VDC
µF/m
µF/m
VDC
µF/m
VDC
µF/m
VDC
µF/m
µF/m
%IOUT
%
Junction temperature of POL controller
-5
+5 °C
Junction temperature from -40°C to 140°C
Corresponds to -40°C to 140°C junction
temperature range
TEMP pin
0.2
Remote Voltage Sense (-VS and +VS pins)
Between +VS and VOUT
Between -VS and PGND
10
2
6.4
Differential
300
100
mV/°C
VDC
k
mV
mV
REV. 1.2 MAR 14, 2007
www.power-one.com
Page 6 of 17

6 Page









ZY1015A pdf, datenblatt
6. Typical Application
ZY1015 15A No-Bus POL Data Sheet
3V to 14V Input 0.5V to 5.5V Output
Figure 17. Complete Schematic of Application with Three Independent Outputs. Intermediate Bus Voltage is from 8V to 14V.
In this application four POL converters are configured to deliver three independent output voltages. POL1 and
POL2 are connected in parallel for increased output current. Output voltages are programmed with the resistors
connected between TRIM and VREF pins of individual converters.
POL1 is configured as a master (IM and INTL0…INTL4 pins are grounded) and all other POL converters are
synchronized to the switching frequency of POL1. Interleave is programmed with pins INTL0…INTL4 to ensure
the lowest input and output noise. POL2 has 180° phase shift, POL 3 and POL4 have phase shifts of 270° and
90° respectively.
All converters are controlled by the common ENABLE signal. Turn-on and turn-off processes of the system are
illustrated by pictures in Figure 7 and Figure 8.
REV. 1.2 MAR 14, 2007
www.power-one.com
Page 12 of 17

12 Page





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