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| 型號(hào)： | 2302LM-E1 |
| 廠商： | BCD Semiconductor Manufacturing Limited |
| 英文描述： | 2A DDR TERMINATION REGULATOR |
| 中文描述： | 甲DDR終端穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 151K |
| 代理商： | 2302LM-E1 |
2A DDR TERMINATION REGULATOR AP2302L
Preliminary Datasheet
1
Jul. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
Figure 1. Package Types of AP2302L
General Description
The AP2302L linear regulator is designed to meet the
JEDEC specification SSTL-2 and SSTL-18 for termi-
nation of DDR-SDRAM. The regulator can sink or
source up to 2A current continuously, providing
enough current for most DDR applications. Output
voltage is designed to track the reference voltage
within a
±
20mV tolerance for load regulation while
preventing shooting through on the output stage. On-
chip thermal limiting provides protection against a
combination of high current and ambient temperature
which would create an excessive junction temperature.
The AP2302L, used in conjunction with series termi-
nation resistors, provides an excellent voltage source
for active termination schemes of high speed transmis-
sion lines as those seen in high speed memory buses
and distributed backplane designs.
The AP2302L is available in SOIC-8 and TO-252-5L
packages.
Features
·
Support Both DDR I (1.25V
TT
) and DDR II
(0.9V
TT
) Requirements
Source and Sink Current up to 2A
High Accuracy Output Voltage at Full-load
Adjustable V
OUT
by External Resistors
Shutdown for Standby or Suspend Mode
Operation with High-impedance Output
·
·
·
·
Applications
·
·
·
DDR-SDRAM Termination
DDR-II Termination
SSTL-2 Termination
SOIC-8
TO-252-5L
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