STEVAL-ISA053V1 STMicroelectronics, STEVAL-ISA053V1 Datasheet - Page 2

BOARD EVALUATION FOR PM6680

STEVAL-ISA053V1

Manufacturer Part Number
STEVAL-ISA053V1
Description
BOARD EVALUATION FOR PM6680
Manufacturer
STMicroelectronics
Type
DC/DC Switching Converters, Regulators & Controllersr
Datasheets

Specifications of STEVAL-ISA053V1

Design Resources
STEVAL-ISA053V1 Gerber Files PM6680 Eval Kit Schematic STEVAL-ISA053V1 Bill of Material
Main Purpose
DC/DC, Step Down with LDO
Outputs And Type
3, Non-Isolated
Voltage - Output
1.05V, 1.5V, 5V
Current - Output
5A, 5A, 100mA
Voltage - Input
6 ~ 28V
Regulator Topology
Buck
Frequency - Switching
200kHz, 300kHz
Board Type
Fully Populated
Utilized Ic / Part
PM6680
Input Voltage
6 V to 28 V
Output Voltage
5 V
Product
Power Management Modules
Silicon Manufacturer
ST Micro
Silicon Core Number
PM6680
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
PM6680
Other names
497-6378

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STEVAL-ISA053V1
Manufacturer:
STMicroelectronics
Quantity:
1
Part Number:
STEVAL-ISA053V1
Manufacturer:
ST
0
Contents
Contents
1
2
3
4
5
6
7
2/49
Simplified application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1
2.2
Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1
3.2
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Constant On time PWM control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Constant on time architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Output ripple compensation and loop stability . . . . . . . . . . . . . . . . . . . . . 22
Pulse skip mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
No-audible skip mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Current limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Soft start and soft end . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Gate drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Reference voltage and bandgap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Internal linear regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Power up sequencing and operative modes . . . . . . . . . . . . . . . . . . . . . . . 28
Monitoring and protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.12.1
7.12.2
7.12.3
7.12.4
Power good signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Thermal protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Overvoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Undervoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
PM6680

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