STEVAL-ISA051V1 STMicroelectronics, STEVAL-ISA051V1 Datasheet - Page 11
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STEVAL-ISA051V1
Manufacturer Part Number
STEVAL-ISA051V1
Description
BOARD EVAL PM6670S DDR2/3
Manufacturer
STMicroelectronics
Type
DC/DC Switching Converters, Regulators & Controllersr
Specifications of STEVAL-ISA051V1
Design Resources
STEVAL-ISA051V1 Gerber Files STEVAL-ISA051V1 Schematic STEVAL-ISA051V1 Bill of Material
Main Purpose
Special Purpose DC/DC, DDR Memory Supply
Outputs And Type
4, Non-Isolated
Voltage - Output
1.5V, 1.8V
Voltage - Input
4.5 ~ 28V
Regulator Topology
Buck
Board Type
Fully Populated
Utilized Ic / Part
PM6670
Input Voltage
4.5 V to 28 V
Output Voltage
1.8 V, 1.5 V
Product
Power Management Modules
Silicon Manufacturer
ST Micro
Silicon Core Number
PM6670S
Kit Application Type
Power Management
Application Sub Type
DDR2/3 Memory Power Supply Controller
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Power - Output
-
Frequency - Switching
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
PM6670S
Other names
497-8411
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ISA051V1
Manufacturer:
STMicroelectronics
Quantity:
1
PM6670S
Table 6.
VDDQ output
Current limit and zero crossing comparator
High and low side gate drivers
UVP/OVP protections and PGOOD SIGNAL (SMPS only)
Soft start section (SMPS)
V
V
PGOOD
I
Symbol
PG,LEAK
V
ZC,OFFS
I
PG,LOW
OVP
UVP
CSNS
VDDQ
VDDQ output voltage, DDR3
VDDQ output voltage, DDR2
Feedback accuracy
CSNS input bias current
Comparator offset
Positive current limit threshold
Fixed negative current limit
threshold
Zero crossing comparator
offset
HGATE driver on-resistance
LGATE driver on-resistance
Over voltage threshold
Under voltage threshold
Power Good upper threshold
Power Good lower threshold
PG leakage current
PG low-level voltage
Soft-start ramp time
(4 steps current limit)
Soft-start current limit step
Electrical characteristics (continued)
Parameter
MODE connected to AVCC,
DDRSEL tied to SGND, No load
MODE and DDRSEL connected to
AVCC, no load
Rsense = 1 kΩ
V
HGATE high state (pull-up)
HGATE low state (pull-down)
LGATE high state (pull-up)
LGATE low state (pull-down)
PG forced to 5 V
I
PG,SINK
PGND
Doc ID 14432 Rev 4
- V
= 4 mA
CSNS
Test condition
Min
-1.5
110
112
107
-11
1.5
67
86
-6
Electrical characteristics
Values
Typ
120
115
110
120
110
150
1.5
1.8
2.0
1.8
1.4
0.6
70
90
30
-5
3
Max
130
118
113
250
1.5
2.7
2.1
0.9
73
93
6
1
3
1
4
Unit
mV
mV
mV
mV
mV
ms
μA
μA
μA
11/54
%
%
Ω
V