Rt8293al Datasheet

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Rt8293al Datasheet

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3A, 23V, 340kHz Synchronous Step-Down Converter, ±1.5% High Accuracy Feedback Voltage, 4.5V to 23V Input Voltage Range, 3A Output Current, Integrated N-MOSFET Switches, Current Mode Control, Fixed Frequency Operation: 340kHz, Output Adjustable from 0.8V to 20V, Up to 95% Efficiency, Programmable Soft-Start, Stable with Low ESR Ceramic Output Capacitors, Cycle-by-Cycle Over Current. Idc instant dialogue cleaner download software.
General Description The RT8299A is a high efficiency, monolithic synchronous step-down DC/DC converter with internal power MOSFETs. It achieves 3A of continuous output current over a wide input. RT8243A Main Power Supply Controller Components datasheet pdf data sheet FREE from Datasheet4U.com Datasheet (data sheet) search for integrated circuits (ic), semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. RT8293BH is New Original in Stock, Search RT8293BH Datasheets, PDF, Inventory at Y-IC.com Online, Order RT8293BH with warrantied and confidence. RT8293AL RICHTEK. Order today, ships today. RT8279GSP – Buck Switching Regulator IC Positive Adjustable 1.222V 1 Output 5A 8-SOIC (0.154', 3.90mm Width) Exposed Pad from Richtek USA Inc. Pricing and Availability on millions of electronic components from Digi-Key Electronics.
Richtek Technology Electronic Components Datasheet
Complete DDRII/DDRIII/Low-Power DDRIII/DDRIV Memory Power Supply ControllerNo Preview Available !
RT8207L/M
Complete DDRII/DDRIII/Low-Power DDRIII/DDRIV Memory
General Description
The RT8207L/M provides a complete power supply for both
DDRII/DDRIII/Low-Power DDRIII/DDRIV memory systems.
It integrates a synchronous PWM buck controller with a
1.5A sink/source tracking linear regulator and buffered low
The PWM controller provides the high efficiency, excellent
transient response, and high DC output accuracy needed
for stepping down high voltage batteries to generate low
voltage chipset RAM supplies in notebook computers.
The constant-on-time PWM control scheme handles wide
input/output voltage ratios with ease and provides 100ns
'instant-on' response to load transients while maintaining
The RT8207L/M achieves high efficiency at a reduced cost
by eliminating the current sense resistor found in
traditional current mode PWMs. Efficiency is further
enhanced by its ability to drive very large synchronous
rectifier MOSFETs. The buck conversion allows this device
to directly step down high voltage batteries for the highest
The 1.5A sink/source LDO maintains fast transient
capacitance. In addition, the LDO supply input is available
externally to significantly reduce the total power losses.
The RT8207L/M supports all of the sleep state controls
placing VTT at high-Z in S3 and discharging VDDQ, VTT
The RT8207L/M has all of the protection features including
thermal shutdown and is available in WQFN-24L 4x4 and
Features
 Resistor Programmable Current Limit by Low Side
 Quick Load Step Response Within 100ns
 Fixed 1.8V (DDRII), 1.5V (DDRIII) or Adjustable
DDRIII) and 1.2V (DDRIV)
 Resistor Programmable Frequency
 Internal Current Limit Ramp Soft-Start
 Power Good Indicator
 Capable to Sink and Source 1.5A
 External Input Available to Minimize Power Losses
and VTTREF
 Remote Sensing (VTTSNS)
 Supports High-Z in S3 and Soft-Off in S4/S5
Applications
Supplies
 SSTL18, SSTL15 and HSTL Bus Termination
Copyright ©2014 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
1

Rt8293al Datasheet PdfRichtek Technology Electronic Components Datasheet
Complete DDRII/DDRIII/Low-Power DDRIII/DDRIV Memory Power Supply ControllerNo Preview Available ! Necronomicon pc 98.
Ordering Information
Pin 1 Orientation
Package Type
QW : WQFN-20L 3x3 (W-Type)
G : Green (Halogen Free and Pb Free)
Halogen Free and Pb free)
M : WQFN-20L 3x3
RT8207LGQW
EF=YM
YMDNN : Date Code
EF : Product Code
DNN
Note :
 RoHS compliant and compatible with the current require-
 Suitable for use in SnPb or Pb-free soldering processes.
J7=YM
J7= : Product Code
RT8207MZQW
DNN
YMDNN : Date Code
(TOP VIEW)
VTTGND 1
VTTSNS 2
GND 3
GND
15 VDDP
25 14 VDD
13 PGOOD
WQFN-24L 4x4
VTTSNS
VTTREF
20 19 18 17 16
2 14 PGND
GND
4 21 12 VDDP
6 7 8 9 10
Copyright ©2014 Richtek Technology Corporation. All rights reserved.
2
is a registered trademark of Richtek Technology Corporation.

3A, 23V, 340kHz Synchronous Step-Down Converter, ±1.5% High Accuracy Feedback Voltage, 4.5V to 23V Input Voltage Range, 3A Output Current, Integrated N-MOSFET Switches, Current Mode Control, Fixed Frequency Operation: 340kHz, Output Adjustable from 0.8V to 20V, Up to 95% Efficiency, Programmable Soft-Start, Stable with Low ESR Ceramic Output Capacitors, Cycle-by-Cycle Over Current. Idc instant dialogue cleaner download software.
General Description The RT8299A is a high efficiency, monolithic synchronous step-down DC/DC converter with internal power MOSFETs. It achieves 3A of continuous output current over a wide input. RT8243A Main Power Supply Controller Components datasheet pdf data sheet FREE from Datasheet4U.com Datasheet (data sheet) search for integrated circuits (ic), semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. RT8293BH is New Original in Stock, Search RT8293BH Datasheets, PDF, Inventory at Y-IC.com Online, Order RT8293BH with warrantied and confidence. RT8293AL RICHTEK. Order today, ships today. RT8279GSP – Buck Switching Regulator IC Positive Adjustable 1.222V 1 Output 5A 8-SOIC (0.154', 3.90mm Width) Exposed Pad from Richtek USA Inc. Pricing and Availability on millions of electronic components from Digi-Key Electronics.
Richtek Technology Electronic Components Datasheet
Complete DDRII/DDRIII/Low-Power DDRIII/DDRIV Memory Power Supply ControllerNo Preview Available !
RT8207L/M
Complete DDRII/DDRIII/Low-Power DDRIII/DDRIV Memory
General Description
The RT8207L/M provides a complete power supply for both
DDRII/DDRIII/Low-Power DDRIII/DDRIV memory systems.
It integrates a synchronous PWM buck controller with a
1.5A sink/source tracking linear regulator and buffered low
The PWM controller provides the high efficiency, excellent
transient response, and high DC output accuracy needed
for stepping down high voltage batteries to generate low
voltage chipset RAM supplies in notebook computers.
The constant-on-time PWM control scheme handles wide
input/output voltage ratios with ease and provides 100ns
'instant-on' response to load transients while maintaining
The RT8207L/M achieves high efficiency at a reduced cost
by eliminating the current sense resistor found in
traditional current mode PWMs. Efficiency is further
enhanced by its ability to drive very large synchronous
rectifier MOSFETs. The buck conversion allows this device
to directly step down high voltage batteries for the highest
The 1.5A sink/source LDO maintains fast transient
capacitance. In addition, the LDO supply input is available
externally to significantly reduce the total power losses.
The RT8207L/M supports all of the sleep state controls
placing VTT at high-Z in S3 and discharging VDDQ, VTT
The RT8207L/M has all of the protection features including
thermal shutdown and is available in WQFN-24L 4x4 and
Features
 Resistor Programmable Current Limit by Low Side
 Quick Load Step Response Within 100ns
 Fixed 1.8V (DDRII), 1.5V (DDRIII) or Adjustable
DDRIII) and 1.2V (DDRIV)
 Resistor Programmable Frequency
 Internal Current Limit Ramp Soft-Start
 Power Good Indicator
 Capable to Sink and Source 1.5A
 External Input Available to Minimize Power Losses
and VTTREF
 Remote Sensing (VTTSNS)
 Supports High-Z in S3 and Soft-Off in S4/S5
Applications
Supplies
 SSTL18, SSTL15 and HSTL Bus Termination
Copyright ©2014 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
1

Rt8293al Datasheet PdfRichtek Technology Electronic Components Datasheet
Complete DDRII/DDRIII/Low-Power DDRIII/DDRIV Memory Power Supply ControllerNo Preview Available ! Necronomicon pc 98.
Ordering Information
Pin 1 Orientation
Package Type
QW : WQFN-20L 3x3 (W-Type)
G : Green (Halogen Free and Pb Free)
Halogen Free and Pb free)
M : WQFN-20L 3x3
RT8207LGQW
EF=YM
YMDNN : Date Code
EF : Product Code
DNN
Note :
 RoHS compliant and compatible with the current require-
 Suitable for use in SnPb or Pb-free soldering processes.
J7=YM
J7= : Product Code
RT8207MZQW
DNN
YMDNN : Date Code
(TOP VIEW)
VTTGND 1
VTTSNS 2
GND 3
GND
15 VDDP
25 14 VDD
13 PGOOD
WQFN-24L 4x4
VTTSNS
VTTREF
20 19 18 17 16
2 14 PGND
GND
4 21 12 VDDP
6 7 8 9 10
Copyright ©2014 Richtek Technology Corporation. All rights reserved.
2
is a registered trademark of Richtek Technology Corporation.
Rt8293al Ic Datasheet Pdf