STEVAL-ISA051V1 STMicroelectronics, STEVAL-ISA051V1 Datasheet - Page 19

• 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

PM6670S
6
Table 7.
Figure 27. Functional and block diagram
SWEN
NTD
BEN
HIZ
TD
Block diagram
Legend
VTTGND
VTTGND
DDRSEL
DDRSEL
VTTSNS
VTTSNS
VTTREF
VTTREF
LDOIN
LDOIN
SGND
SGND
DSCG
DSCG
AVCC
AVCC
Switching controller enable
Tracking discharge enable
Non-tracking discharge enable
VTTREF buffer enable
LDO high impedance mode enable
VTT
VTT
BEN
BEN
NTD
NTD
NTD
NTD
Vr = 0.9V
Vr = 0.9V
UVLO
UVLO
Thermal Shutdown
Thermal Shutdown
S3
S3
UVP/OVP
UVP/OVP
HIZ
HIZ
VREF
VREF
R
R
CONTROL LOGIC
CONTROL LOGIC
R
R
SWEN
SWEN
Doc ID 14432 Rev 4
TD
TD
S5
S5
1.236V
1.236V
Bandgap
Bandgap
TD
TD
NTD
NTD
MODE
MODE
VOSC
VOSC
1-shot
1-shot
1-shot
1-shot
1-shot
1-shot
Ton
Ton
Toff
Toff
min
min
Ton
Ton
min
min
BEN
BEN
HIZ
HIZ
Vr
Vr
SWEN
SWEN
Anti Cross
Anti Cross
Conduction
Conduction
_
_
+
+
gm
gm
+
+
-
-
DDR3
DDR3
adj
adj
VREF
VREF
Vr
Vr
fix
fix
Vr -10
Vr -10
Vr +10
Vr +10
Zero Crossing &
Zero Crossing &
Level
Level
shifter
shifter
Current Limit
Current Limit
+
+
-
-
+
+
-
-
%
%
%
%
NTD
NTD
HGATE
HGATE
COMP
COMP
BOOT
BOOT
LGATE
LGATE
PGND
PGND
CSNS
CSNS
PG
PG
VSNS
VSNS
PHASE
PHASE
VCC
VCC
Block diagram
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