STEVAL-ISA051V2 STMicroelectronics, STEVAL-ISA051V2 Datasheet - Page 9

• 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

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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