RT9089A
RT9089A is DDR Termination Regulator manufactured by Richtek.
Description
The RT9089A is a sink/source tracking termination regulator. It is specifically designed for low-cost and lowexternal ponent count systems. The RT9089A possesses a high speed operating amplifier that provides fast load transient response and only requires a minimum 10μF ceramic output capacitor. The RT9089A supports remote sensing functions and all features required to power the DDRI/DDRII/DDRIII/DDRIV/LPDDRII/LPDDRIII VTT bus termination according to the JEDEC specification.
The RT9089A is available in the thermal efficient package, WDFN-10L 2x2.
Ordering Information
Pin 1 Orientation (2) : Quadrant 2, Follow EIA-481 (Empty means Pin1 orientation is Quadrant 1) Package Type QW : WDFN-10L 2x2 (W-Type) Lead Plating System G: Richtek Green Policy pliant
Note : Richtek products are Richtek Green Policy pliant and patible with the current requirements of IPC/JEDEC J-STD-020.
Features
- VIN Input Voltage Range : 1.1V to 3.5V
- VCNTL Input Voltage Range : 2.9V to 5.5V
- Support Ceramic Capacitors
- 10m A Source/Sink Reference Output
- Meet DDRI, DDRII JEDEC Spec
- Support DDRIII, DDRIV, LPDDRII and LPDDRIII
Applications
- Soft-Start Function
- UVLO and OCP Protection
- Thermal Shutdown
Applications
- Notebook/Desktop/Server
- Tele/Data, GSM Base Station, LCD-TV/PDP-
TV, Copier/Printer, Set-Top Box
Marking Information
2N : Product Code
2NW
W : Date Code
Pin Configuration
(TOP VIEW)
VDDQSNS 1 VIN 2
VOUT 3 PGND 4 SENSE 5
10 VCNTL
9 S5
8 GND
7 S3 6 REFOUT
WDFN-10L 2x2
Simplified Application Circuit
VIN REFOUT
C3
C3...
