Power Distribution Unit (PDU) - STMicroelectronics

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A power distribution unit (PDU) is a designed to distribute electric power to equipment in a data center or networking center. Power is typically distributed to racks of computers or networking devices via multiple outputs on the PDU. The PDU performs a number of controls related to the distributed power such as AC power monitoring, power metering, environment sensing and monitoring, and is equipped with a LAN connection.

ST offers a wide range of products suitable to cover the needs of power distribution unit. These products include power management ICs, microcontrollers and a variety of environmental sensors.

telecom system power distribution unit block diagram

VIPerPlus

Metering ICs

Temperature Sensors

Humidity Sensors

Ethernet line protection

Current Sense Amplifiers

Part Number	Description
STEVAL-ISA135V1	4 W, 12 V output, isolated flyback converter using VIPer™ Plus - VIPER06HS	Quick view Key Features AC main input voltage: V_IN 85 V_AC - 265 V_AC Main frequency: f_L 50 Hz - 60 Hz Output voltage: V_OUT 12 V Max output current: I_OUT 333 mA Precision of output regulation: ΔV_{OUT_LF} ±5 % High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV Min active mode efficiency: η_AV 71 % Max ambient operating temperature: T_AMB 60 ºC Thermal shutdown with hysteresis Delayed overload protection Open loop failure protection (if auxiliary winding is used) RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA136V1	3W, 5V output, isolated flyback converter using VIPer™ Plus - VIPER06HN	Quick view Key Features Universal input mains range: 85 - 265 V_AC frequency: 50 - 60 Hz Output voltage: 5 V / 0.6 A Very compact size Stand-by mains consumption: < 30 mW at 230 V_AC Min active mode efficiency η_AV =66.89% EMI: according to EN55022-Class-B RoHS compliant Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA134V1	12 V - 4 W, 115 kHz isolated flyback based on the VIPer06	Quick view Key Features AC main input voltage V_IN : 85 V_AC - 265 V_AC Main frequency f_L : 50 Hz; 60 Hz Output voltage V_OUT : 12 V Max output current I_OUT : 333 mA Precision of output regulation ΔV_{OUT_LF} : ± 5% High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV Min active mode efficiency ηAV = 71% Max ambient operating temperature: T_AMB = 60 °C Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA125V1	5 V/10 W, 60 kHz isolated flyback with extra power management based on the VIPer28L	Quick view Key Features Input voltage range: 90 V_RMS - 265 V_RMS Output voltage: 5 V Max output current: I_OUT max = 2 A Peak output current: I_OUT pk = 3 A Precision of output regulation: ΔV_{OUT_LF} ±5% High frequency output voltage ripple: ΔV_{OUT_HF} = 50 mV Max ambient operating temperature: T_A = 60 ºC 800 V avalanche-rugged power section PWM operation at 60 kHz with frequency jittering for lower EMI Limiting current with adjustable set point On-board soft-start Safe auto-restart after a fault condition; low standby power (< 50 mW at 265 V_ac ). Adjustable, accurate overvoltage protection, thermal shutdown with hysteresis, delayed overload protection Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber
STEVAL-ISA117V1	Wide range isolated flyback demonstration board, single output 12 V/4.2 W based on the VIPer16LN	Quick view Key Features Universal input mains range: input voltage 90 - 264 V_AC frequency 45 - 65 Hz Single output voltage: 12 V at 0.35 A continuous operation Stand-by mains consumption: < 30 mW at 230 V_AC Average efficiency: > 75 % Fully protected against faults (overload, feedback disconnection and overheating) EMI: according to EN55022-Class-B Show More Product Details Download databrief IMAGE FEATURED RESOURCES Schematics BOM Gerber

Part Number

STEVAL-ISA135V1

4 W, 12 V output, isolated flyback converter using VIPer™ Plus - VIPER06HS

Quick view

Key Features

AC main input voltage: V_IN 85 V_AC - 265 V_AC
Main frequency: f_L 50 Hz - 60 Hz
Output voltage: V_OUT 12 V
Max output current: I_OUT 333 mA
Precision of output regulation: ΔV_{OUT_LF} ±5 %
High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV
Min active mode efficiency: η_AV 71 %
Max ambient operating temperature: T_AMB 60 ºC
Thermal shutdown with hysteresis
Delayed overload protection
Open loop failure protection (if auxiliary winding is used)
RoHS compliant

Product Details Download databrief

IMAGE

FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-ISA136V1

3W, 5V output, isolated flyback converter using VIPer™ Plus - VIPER06HN

Quick view

Key Features

Universal input mains range: 85 - 265 V_AC frequency: 50 - 60 Hz
Output voltage: 5 V / 0.6 A
Very compact size
Stand-by mains consumption: < 30 mW at 230 V_AC
Min active mode efficiency η_AV =66.89%
EMI: according to EN55022-Class-B
RoHS compliant

Product Details Download databrief

IMAGE

FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-ISA134V1

12 V - 4 W, 115 kHz isolated flyback based on the VIPer06

Quick view

Key Features

AC main input voltage V_IN : 85 V_AC - 265 V_AC
Main frequency f_L : 50 Hz; 60 Hz
Output voltage V_OUT : 12 V
Max output current I_OUT : 333 mA
Precision of output regulation ΔV_{OUT_LF} : ± 5%
High frequency output voltage ripple: ΔV_{OUT_HF} 50 mV
Min active mode efficiency ηAV = 71%
Max ambient operating temperature: T_AMB = 60 °C

Product Details Download databrief

IMAGE

FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-ISA125V1

5 V/10 W, 60 kHz isolated flyback with extra power management based on the VIPer28L

Quick view

Key Features

Input voltage range: 90 V_RMS - 265 V_RMS
Output voltage: 5 V
Max output current: I_OUT max = 2 A
Peak output current: I_OUT pk = 3 A
Precision of output regulation: ΔV_{OUT_LF} ±5%
High frequency output voltage ripple: ΔV_{OUT_HF} = 50 mV
Max ambient operating temperature: T_A = 60 ºC
800 V avalanche-rugged power section
PWM operation at 60 kHz with frequency jittering for lower EMI
Limiting current with adjustable set point
On-board soft-start
Safe auto-restart after a fault condition; low standby power (< 50 mW at 265 V_ac ).
Adjustable, accurate overvoltage protection, thermal shutdown with hysteresis, delayed overload protection

Product Details Download databrief

IMAGE

FEATURED RESOURCES

Schematics BOM Gerber

STEVAL-ISA117V1

Wide range isolated flyback demonstration board, single output 12 V/4.2 W based on the VIPer16LN

Quick view

Key Features

Universal input mains range:
- input voltage 90 - 264 V_AC
- frequency 45 - 65 Hz
Single output voltage: 12 V at 0.35 A continuous operation
Stand-by mains consumption: < 30 mW at 230 V_AC
Average efficiency: > 75 %
Fully protected against faults (overload, feedback disconnection and overheating)
EMI: according to EN55022-Class-B