STEVAL-ISA038V1 STMicroelectronics, STEVAL-ISA038V1 Datasheet - Page 2

BOARD EVALUATION W/L6728

STEVAL-ISA038V1

Manufacturer Part Number
STEVAL-ISA038V1
Description
BOARD EVALUATION W/L6728
Manufacturer
STMicroelectronics
Type
DC/DC Switching Converters, Regulators & Controllersr
Datasheets

Specifications of STEVAL-ISA038V1

Design Resources
STEVAL-ISA038V1 Schematic STEVAL-ISA038V1 Bill of Material
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
1.25V
Current - Output
5A
Voltage - Input
5 ~ 12V
Regulator Topology
Buck
Frequency - Switching
300kHz
Board Type
Fully Populated
Utilized Ic / Part
L6728
Input Voltage
5 V to 12 V
Output Voltage
1.25 V
Product
Power Management Modules
Silicon Manufacturer
ST Micro
Silicon Core Number
L6728D
Kit Application Type
Power Management - Voltage Regulator
Application Sub Type
Step Down DC/DC Controller
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
L6728
Other names
497-8228
STEVAL-ISA038V1

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STEVAL-ISA038V1
Manufacturer:
STMicroelectronics
Quantity:
1
Content
Content
1
2
3
4
5
6
7
8
9
10
11
2/31
Typical application circuit and block diagram . . . . . . . . . . . . . . . . . . . . 4
1.1
1.2
Pin description and connection diagrams . . . . . . . . . . . . . . . . . . . . . . . 5
2.1
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1
4.2
Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Driver section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.1
Soft-start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.1
Over current protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
8.1
Output voltage setting and protections . . . . . . . . . . . . . . . . . . . . . . . . 14
Application details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
10.1
10.2
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
11.1
11.2
11.3
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Low-side-less start up (LSLess) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Over current threshold setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Compensation network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Inductor design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Input capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Layout guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Output capacitor(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
L6728

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