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ZY1120 20A No-Bus POL Data Sheet
3V to 14V Input ? 0.5V to 5.5V Output
Member of the
Features
Family
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RoHS lead free and lead-solder-exempt products are
available
Wide input voltage range: 3V–14V
High continuous output current: 20A
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
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
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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%
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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
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Full rated current sink
Real time current and temperature measurements,
monitoring, and reporting
Small footprint vertical SMT package: 8x32mm
Low profile of 14mm
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
Power-One’s point-of-load converters are recommended for use with regulated bus converters in an Intermediate
Bus Architecture (IBA). The ZY1120 is an intelligent, fully programmable step-down point-of-load DC-DC module
integrating digital power conversion and intelligent power management. The ZY1120 completely eliminates the
need for external components for sequencing, tracking, protection, monitoring, and reporting. Performance
parameters of the ZY1120 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.
ZD-00790 Rev. 1.6, 25-Jun-10
www.power-one.com
Page 1 of 17
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