STEVAL-ISA052V2 STMicroelectronics, STEVAL-ISA052V2 Datasheet
STEVAL-ISA052V2
Manufacturer Part Number
STEVAL-ISA052V2
Description
BOARD EVAL BASED ON PM6675A
Manufacturer
STMicroelectronics
Type
DC/DC Switching Converters, Regulators & Controllersr
Specifications of STEVAL-ISA052V2
Design Resources
STEVAL-ISA052V2 Gerber Files STEVAL-ISA052V2 Schematic STEVAL-ISA052V2 Bill of Material
Main Purpose
DC/DC, Step Down with LDO
Outputs And Type
2, Non-Isolated
Voltage - Output
1.5V, 0.6 ~ 3.3V
Voltage - Input
4.5 ~ 36 V
Regulator Topology
Buck
Board Type
Fully Populated
Utilized Ic / Part
PM6675AS
Input Voltage
4.5 V to 36 V
Output Voltage
1.5 V
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Power - Output
-
Frequency - Switching
-
Lead Free Status / Rohs Status
Supplier Unconfirmed
For Use With/related Products
PM6675AS
Other names
497-8413
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ISA052V2
Manufacturer:
STMicroelectronics
Quantity:
1
Features
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Description
This evaluation board is based on the PM6675AS
device, which consists of a single high efficiency
step-down controller and an independent low-
dropout (LDO) linear regulator.
The constant on-time (COT) architecture assures
fast transient response supporting both
electrolytic and ceramic output capacitors. An
embedded integrator control loop compensates
the DC voltage error due to the output ripple.
Selectable low-consumption mode allows the
highest efficiency over a wide range of load
conditions. The low-noise mode sets the minimum
switching frequency to 33 kHz for audio-sensitive
applications. The LDO linear regulator can sink
May 2008
For further information contact your local STMicroelectronics sales office.
4.5 V to 36 V input voltage range
0.6 V, ±1% voltage reference
1.5 V fixed output voltage
0.6 V to 3.3 V adjustable output voltage
1.237 V ±1% reference voltage available
Very fast load transient response using
constant on-time (COT) control loop
No RSENSE current sensing using R
the low-side MOSFETs
Negative current limit
Latched OVP, UVP and thermal shutdown
Fixed 3 ms soft-start
Selectable pulse-skipping at light load
Selectable no-audible (33 kHz) pulse-skip
mode
All ceramic output capacitors application
supported
Output voltage ripple compensation
Output soft-end
step-down controller with embedded 2 A LDO regulator
Evaluation board for the PM6675AS high efficiency
DS(ON)
of
Rev 1
and source up to 2 Apk. Two fixed current limits
(±1 A and ±2 A) can be chosen.
An active soft-end is independently performed on
both the switching and the linear regulator outputs
when disabled.
STEVAL-ISA052V2
STEVAL-ISA052V2
Data Brief
www.st.com
1/4
4
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STEVAL-ISA052V2 Summary of contents
Page 1
... For further information contact your local STMicroelectronics sales office. STEVAL-ISA052V2 of DS(ON) and source Apk. Two fixed current limits (±1 A and ±2 A) can be chosen. An active soft-end is independently performed on both the switching and the linear regulator outputs when disabled. Rev 1 Data Brief STEVAL-ISA052V2 www.st.com 1/4 4 ...
Page 2
... Circuit schematic 1 Circuit schematic Figure 1. Schematic diagram 2 STPS1L30M CSNS LILIM 19 ASE PHAS COMP 20 HGATE VSEL VSE 21 BOOT VSNS 22 LIN VOSC 23 LOUT VREF STEVAL-ISA052V2 ...
Page 3
... STEVAL-ISA052V2 2 Revision history Table 1. Document revision history Date 05-May-2008 Revision 1 Initial release. Revision history Changes 3/4 ...
Page 4
... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com STEVAL-ISA052V2 ...