STEVAL-ISA051V2 STMicroelectronics, STEVAL-ISA051V2 Datasheet - Page 9
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STEVAL-ISA051V2
Manufacturer Part Number
STEVAL-ISA051V2
Description
BOARD EVAL PM6670AS DDR2/3
Manufacturer
STMicroelectronics
Type
DC/DC Switching Converters, Regulators & Controllersr
Specifications of STEVAL-ISA051V2
Design Resources
STEVAL-ISA051V2 Gerber Files STEVAL-ISA051V2 Schematic STEVAL-ISA051V2 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 ~ 36V
Regulator Topology
Buck
Board Type
Fully Populated
Utilized Ic / Part
PM6670A
Input Voltage
4.5 V to 36 V
Output Voltage
1.8 V, 1.5 V
Product
Power Management Modules
Silicon Manufacturer
ST Micro
Silicon Core Number
PM6670AS
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
PM6670AS
Other names
497-8412
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ISA051V2
Manufacturer:
STMicroelectronics
Quantity:
1
PM6670AS
4
Table 6.
Supply section
ON-time (SMPS)
OFF-time (SMPS)
Voltage reference
VDDQ output
Symbol
t
OFFMIN
UVLO
I
I
t
STR
I
ON
SH
IN
Operating current
Operating current in STR
Operating current in
shutdown
upper threshold
AVCC under voltage lockout
lower threshold
UVLO hysteresis
On-time duration
Minimum off time
Voltage accuracy
Load regulation
Undervoltage lockout fault
threshold
AVCC under voltage lockout
Electrical characteristics
T
otherwise specified
Electrical characteristics
a. Specifications referred to T
A
= -25 °C to 85 °C, VCC = AVCC = +5 V and LDOIN connected to VDDQ output if not
design and statistical correlation (not production tested)
Parameter
(a)
J
= T
S3, S5, MODE and DDRSEL
connected to AVCC, No Load on
VTT and VTTREF outputs.
VCC connected to AVCC
S5, MODE and DDRSEL connected
to AVCC, S3 tied to SGND, No Load
on VTTREF.
VCC connected to AVCC
S3 and S5 tied to SGND.
Discharge mode active.
VCC connected to AVCC
MODE and
DDRSEL high,
V
4.5 V < V
-50 μA< I
VSNS
A
. All the parameters at operating temperatures extremes are guaranteed by
Doc ID 14436 Rev 2
=
2 V
IN
VREF
Test condition
< 36 V
< 50 μA
VOSC = 300 mV
VOSC = 500 mV
1.224
3.85
Min
650
390
4.1
70
-4
Electrical characteristics
1.237
4.25
Typ
750
450
300
800
0.8
0.6
4.0
1
1.249
Max
850
510
350
4.4
4.1
10
2
1
4
Unit
mA
mV
mV
μA
ns
ns
V
V
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