NDM1-25-120

NDM1-25-120 Datasheet

MODEL NDM1-25-120

Part	Datasheet
NDM1-25-120	NDM1-25-120 (pdf)

PDF Datasheet Preview
For more information, please visit the product page. a division of CUI INC date 10/2010 page 1 of 19 MODEL NDM1-25-120 DESCRIPTION NON-ISOLATED DIGITAL DC-DC POL CONVERTER •Compact package x •25 A output •High efficiency, 92% ~ 14 V input range ~ V output range •Auto-control technology •Through-hole •PMBus compliant •Voltage/current/temperature monitoring •Programmable output voltages •Voltage margining •Differential voltage sense •Synchronize controllers for phase spreading operations •Programmable soft start and soft stop •Pre-bias startup •Input under voltage lockout •Output over voltage protection •Output over current protection •Fast over current protection •Over temperature protection CONTENTS Absolute Electrical ~ 5 Pin Typical Characteristics Typical Characteristics Typical Characteristics Mechanical Operating Information - Power Management Input Output Auto Remote Output On/Off Powergood Startup with Sync Output Voltage Trimming..............................12 Startup Delay and Ramp Up Time..................12 Output Voltage Sequencing..........................13 Power Fault Management Input Undervoltage Lockout UVLO ..............14 Output Overvoltage Lockout OVP ................14 Output Overcurrent Protection OCP .............14 Output Lethal Current Protection LCP .........15 Over Temperature Protection OTP ................15 Configuration Inputs Configuration Using Down Resistors.............16 Configuration Input Vset...............................16 Configuration Inputs ADDR1 and ADDR2.......17 Supported PMBus Through-hole Soldering Information.........................18 20050 SW 112th Ave. Tualatin, Oregon 97062 phone fax For more information, please visit the product page. a division of CUI INC date 10/2010 page 2 of 19 MODEL NDM1-25-120 DESCRIPTION NON-ISOLATED DIGITAL DC-DC POL CONVERTER ABSOLUTE MAXIMUM RATINGS characteristics Input voltage VOUT Output voltage IOUT Output current Logic IO Voltage SYNC, PG, FAULT, CTRL, SLART, SDA, SCL Ground Voltage GND Analog Pin Voltage ENABLE, VOUT, VSET, CRC, SENSE+, SENSE-, ADDR1, ADDR2 Operating ambient Storage Temp INPUT / SUPPLY parameter voltage idle current conditions/description sysgood, no output, VIN = 12 V OUTPUT parameter voltage adjustment range voltage margin range1 voltage accuracy voltage ripple current range line regulation load regulation SENSE+ input bias current SENSE- input bias current ramp-up time ON time delay range start-up time load transient voltage deviation load transient recovery time recommended minimum output capacitor 1.Voltage absolute maximum of V conditions/description set using PMBus

PDF Datasheet Preview

For more information, please visit the product page. a division of CUI INC
date 10/2010 page 1 of 19

MODEL NDM1-25-120

DESCRIPTION NON-ISOLATED DIGITAL DC-DC POL CONVERTER
•Compact package x
•25 A output
•High efficiency, 92% ~ 14 V input range ~ V output range
•Auto-control technology
•Through-hole
•PMBus compliant
•Voltage/current/temperature monitoring
•Programmable output voltages
•Voltage margining
•Differential voltage sense
•Synchronize controllers for
phase spreading operations
•Programmable soft start and
soft stop
•Pre-bias startup
•Input under voltage lockout
•Output over voltage protection
•Output over current protection
•Fast over current protection
•Over temperature protection

CONTENTS

Absolute Electrical ~ 5 Pin Typical Characteristics Typical Characteristics Typical Characteristics Mechanical Operating Information - Power Management

Input Output Auto Remote Output On/Off Powergood Startup with Sync Output Voltage Trimming..............................12 Startup Delay and Ramp Up Time..................12 Output Voltage Sequencing..........................13

Power Fault Management Input Undervoltage Lockout UVLO ..............14 Output Overvoltage Lockout OVP ................14 Output Overcurrent Protection OCP .............14 Output Lethal Current Protection LCP .........15 Over Temperature Protection OTP ................15

Configuration Inputs Configuration Using Down Resistors.............16 Configuration Input Vset...............................16 Configuration Inputs ADDR1 and ADDR2.......17

Supported PMBus Through-hole Soldering Information.........................18
20050 SW 112th Ave. Tualatin, Oregon 97062 phone fax

For more information, please visit the product page. a division of CUI INC
date 10/2010 page 2 of 19

MODEL NDM1-25-120

DESCRIPTION NON-ISOLATED DIGITAL DC-DC POL CONVERTER

ABSOLUTE MAXIMUM RATINGS
characteristics

Input voltage

VOUT

Output voltage

IOUT

Output current

Logic IO Voltage SYNC, PG, FAULT, CTRL, SLART, SDA, SCL

Ground Voltage GND

Analog Pin Voltage ENABLE, VOUT, VSET, CRC, SENSE+, SENSE-, ADDR1, ADDR2

Operating ambient

Storage Temp

INPUT / SUPPLY
parameter voltage idle current
conditions/description sysgood, no output, VIN = 12 V

OUTPUT
parameter voltage adjustment range voltage margin range1 voltage accuracy
voltage ripple current range line regulation load regulation SENSE+ input bias current SENSE- input bias current ramp-up time ON time delay range start-up time load transient voltage deviation load transient recovery time recommended minimum output capacitor
1.Voltage absolute maximum of V
conditions/description set using PMBus

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Datasheet ID: NDM1-25-120 507500