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STMicroelectronics STEVAL-QUADV01

Power management evaluation board based on the stepdown regulators L6981,L7983, ST1PS03, and the ST730 LDO

The STEVAL-QUADV01 evaluation board is based on the L6981 (capable of delivering up to 1.5 A DC), the L7983 (capable of delivering up to 300 mA DC), the ST1PS03 (capable of delivering up to 400 mA DC) synchronous monolithic step-down regulators, and the ST730 (capable of delivering up to 300 mA DC) LDO regulator.

The combination of input voltage and output current ranges, and other embedded features makes the evaluation tool suitable for a broad range of applications.

eDSim SIMetrix simulation tool is ready supporting all the on-board DC-DC Converters as well.

Key features

L6981 : 38 V, 1.5 A synchronous step-down converter with low quiescent current
L7983 : 60 V 300 mA synchronous step-down switching regulator with 10 µA quiescent current
ST1PS03 : 400 mA nano-quiescent synchronous step-down converter
ST730 : 300 mA, 28 V low-dropout voltage regulator, with 5 µA quiescent current

Additional features

L6981
- 3.5 V to 38 V operating input voltage
- Output voltage from 0.85 V to V_IN
- 1.5 A DC output current
- Internal compensation network
- 2 μA shutdown current
- Internal soft-start
- Enable function
- Overvoltage protection
- Thermal protection
L7983
- 3.5 V to 60 V operating input voltage
- Output voltage from 0.85 V to V_IN
- 300 mA DC output current
- Internal compensation network
- 2.3 uA shutdown current
- Internal soft-start
- Enable function
- Overvoltage protection
ST1PS03
- 1.8 V to 5.5 V operating input voltage
- Output voltage selectable from 1.6 V to 3.3 V
- 400 mA DC output current
- 500 nA (typ.) quiescent current
- Load switch controlled by AUX input
- Enable function
ST730
- 2.5 V to 28 V input voltage range
- Output voltage from 1.2 V to V_IN
- 300 mA DC output current
- 5 uA (typ) no-load quiescent current
- Current limit and SOA protection
- Enable function

Applications

12 V, 24 V and 48 V buses industrial power systems
Battery powered applications
Decentralized intelligent nodes
Sensors and always-on applications
Low noise applications
Fail safe system
Smart meters
Robot cleaner
Wearable applications
Personal tracking monitors
Smart watches, sport bands
Energy harvesting, wireless sensors
Wearable and fitness accessories
Industrial sensors, portable low power devices
Single cell Li-Ion battery applications
Bluetooth^® Low Energy
Zigbee
Post regulation
Smoke detectors / alarms

Available tools

STEVAL-L7983ADJ: 12 V/0.3 A step down DC/DC converter (V_IN = 12 to 60 V) based on the L7983PUR regulator

STEVAL-L7983V33: 3.3 V/0.3 A step down DC/DC converter (V_IN = 3.5 V to 60 V) based on the L7983PU33R

STEVAL-L7983V50: 5.0 V / 0.3 A step down DC/DC converter (V_IN = 5 to 60 V) based on the L7983PU50R regulator

STEVAL-1PS03A:

Evaluation board based on ST1PS03AQTR 400 mA nano-quiescent synchronous step-down converter with load switch

The STEVAL-1PS03A is an evaluation board for a smart converter design able to deliver up to 400 mA output current from a 1.8 V to 5.5 V input, with a dynamically adjustable 1.6 V to 3.3 V output voltage.

DATASHEET

STEVAL-L6981CDR:

38 V, 1.5 A synchronous step-down switching regulator evaluation board based on the L6981CDR for industrial power systems

The STEVAL-L6981CDR evaluation board is based on the L6981CDR synchronous monolithic step-down regulator capable of delivering up to 1.5 A DC. Its wide input voltage range makes the device suitable for a broad range of applications.

DATASHEET

STEVAL-L6981NDR:

38 V, 1.5 A synchronous step-down switching regulator evaluation board based on the L6981NDR for industrial power systems

The STEVAL-L6981NDR is based on the L6981NDR synchronous monolithic step-down regulator delivering up to 1.5 A DC. Its wide input voltage range makes the solution suitable for a broad range of applications.

DATASHEET