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參數資料
| 型號： | CS5257A-1 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 7.0 A LDO 5-Pin Adjustable Linear Regulator(7.0A，5腳可調輸出低壓差線性穩壓器) |
| 中文描述： | 7.0甲LDO的5引腳可調線性穩壓器（7.0A，5腳可調輸出低壓差線性穩壓器） |
| 文件頁數： | 1/12頁 |
| 文件大小： | 80K |
| 代理商： | CS5257A-1 |
Semiconductor Components Industries, LLC, 2004
January, 2004 Rev. 9
1
Publication Order Number:
CS5257A1/D
CS5257A1
7.0 A LDO 5Pin Adjustable
Linear Regulator
This new very low dropout regulator is designed to power the next
generation of advanced microprocessors. To achieve very low
dropout, the internal pass transistor is powered separately from the
control circuitry. Furthermore, with the control and power inputs tied
together, this device can be used in single supply configuration and
still offer a better dropout voltage than conventional PNPNPN based
LDO regulators. In this mode the dropout is determined by the
minimum control voltage.
It is supplied in fiveterminal TO2205 and D
2
PAK5 packages,
allowing for the implementation of a remotesense pin permitting
very accurate regulation of output voltage directly at the load, where it
counts, rather than at the regulator. This remote sensing feature
virtually eliminates output voltage variations due to load changes and
resistive voltage drops. Typical load regulation measured at the sense
pin is 1.0 mV for an output voltage of 2.5 V with a load step of 10 mA
to 7.0 A.
The very fast transient loop response easily meets the needs of the
latest microprocessors. In addition, a small capacitor on the Adjust pin
will further improve the transient capabilities.
Internal protection circuitry provides for “bustproof” operation,
similar to threeterminal regulators. This circuitry, which includes
overcurrent, short circuit, supply sequencing and overtemperature
protection will self protect the regulator under all fault conditions.
The CS5257A1 is ideal for generating a secondary 2.0 V 2.5 V
low voltage supply on a motherboard where both 5.0 V and 3.3 V are
already available.
Features
1.25 V to 5.0 V V
OUT
at 7.0 A
V
POWER
Dropout < 0.35 V @ 7.0 A
V
CONTROL
Dropout < 1.1 V @ 7.0 A
1.5% Trimmed Reference
Fast Transient Response
Remote Voltage Sensing
Thermal Shutdown
Current Limit
Short Circuit Protection
DropIn Replacement for LT1580
Backwards Compatible with 3Pin Regulators
MARKING DIAGRAMS
A
WL, L
YY, Y
WW, W = Work Week
= Assembly Location
= Wafer Lot
= Year
TO2205
T SUFFIX
CASE 314D
Tab = V
OUT
Pin 1. V
SENSE
2. Adjust
3. V
OUT
4. V
CONTROL
5. V
POWER
1
5
CS5257A1
AWLYWW
1
Device
Package
Shipping
ORDERING INFORMATION
CS5257A1GT5
TO2205
50 Units/Rail
D
2
PAK5
DP SUFFIX
CASE 936AC
1
5
CS
5257A1
AWLYWW
1
D
2
PAK5
TO2205
CS5257A1GDP5
D
2
PAK5
50 Units/Rail
CS5257A1GDPR5
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
D
2
PAK5
750 Tape & Reel
http://onsemi.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CS5257A-1/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:7A LDO 5-Pin Adjustable Linear Regulator |
| CS5257A1GDP5 | 制造商:ON SEMI 功能描述:New |
| CS5257A-1GDP5 | 功能描述:IC REG LDO ADJ 7A D2PAK-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩壓器拓撲結構:正，固定式和可調式 輸出電壓:3.3V，1.25 V ~ 5.7 V 輸入電壓:4.5 V ~ 7 V 電壓 - 壓降（標準）:1.1V @ 1A 穩壓器數量:2 電流 - 輸出:1A 電流 - 限制（最小）:1A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-252-5，DPak（4 引線 + 接片），TO-252AD 供應商設備封裝:PPAK 包裝:管件 其它名稱:497-3576-5 |
| CS5257A-1GDPR5 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:7.0 A LDO 5−Pin Adjustable Linear Regulator |
| CS5257A-1GT5 | 功能描述:IC REG LDO ADJ 7A TO220-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩壓器拓撲結構:正，固定式和可調式 輸出電壓:3.3V，1.25 V ~ 5.7 V 輸入電壓:4.5 V ~ 7 V 電壓 - 壓降（標準）:1.1V @ 1A 穩壓器數量:2 電流 - 輸出:1A 電流 - 限制（最小）:1A 工作溫度:0°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:TO-252-5，DPak（4 引線 + 接片），TO-252AD 供應商設備封裝:PPAK 包裝:管件 其它名稱:497-3576-5 |
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