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參數資料
| 型號： | LM9073 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual High Current Low-Dropout System Regulator(雙路高電流低壓差系統穩壓器) |
| 中文描述： | 雙高電流低壓差穩壓器系統（雙路高電流低壓差系統穩壓器） |
| 文件頁數： | 1/18頁 |
| 文件大小： | 718K |
| 代理商： | LM9073 |
LM9073
Dual High Current Low-Dropout System Regulator
General Description
The LM9073 is a high performance voltage regulator system
with operational and protection features that address many
requirements of automotive applications. Two regulated out-
puts are provided. The main regulator provides a precision
2% tolerance 5V output at 700mAwith a low dropout charac-
teristic. The second output, an External Supply regulator,
provides a 5V output with 2% tolerance for load currents up
to 100mA. This External Supply output is fully protected from
short circuit to ground or the unregulated input supply (igni-
tion or battery potentials in automotive applications) which
makes it suitable for powering remotely located load circuits
or sub-systems.
The LM9073 also contains a programmable delayed system
reset output. Two control inputs are provided.An ON/OFF in-
put intended for connection to an ignition switch, and a Keep
Alive input whereby a system can remain powered after igni-
tion has been switched OFF. Additionally, a watchdog func-
tion is built in to enhance system operationally reliability.
For EMC concerns the LM9073 remains fully operational
and does not generate false rest signals while subjected to
greater than 100mA, 1MHz to 400MHz bulk current injection
signals on the input supply and External Supply output lines.
Features
n
Two 5V regulated outputs:
n
700mA, 2% Main output
n
100mA, 2% External Supply output
n
External Supply output protected from shorts to battery
n
Good EMI (1MHz to 400MHz, BCI) immunity
n
Separate ON/OFF and Keep-Alive control inputs
n
Less than 100μA quiescent current in OFF state
n
Programmable delayed reset output
n
Adjustable threshold voltage for generating reset
n
Built-in system watchdog timer
n
Input transient protection over 60V to 45V
n
Less than 1V dropout at full load
n
Wide 40C to 125C operating temperature range
n
Surface mount, TO263 and standard TO220 power
packages
Applications
n
Automotive module supply power conditioning
n
Remote subsystem powering
n
Continuous operation for save routines and E
2
PROM
programing after power down command
n
Safety relates systems EMC operational with a system
watchdog monitor
Connection Diagram
11 Lead TO263 Package
DS101296-1
Top View
Order Number LM9073S
See NS Package Number TS11B
11 Lead TO220 Package
DS101296-2
Top View
Order Number LM9073T
See NS Package Number TA11B
May 2000
L
2000 National Semiconductor Corporation
DS101296
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM9073S | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual High Current Low-Dropout System Regulator |
| LM9073SX | 功能描述:IC REG LDO 5V .7A/.1A TO-263-11 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LM9073T | 制造商:Rochester Electronics LLC 功能描述:5V DUAL OUTPUT TRACKING REGL - Bulk |
| LM9073T/NOPB | 功能描述:IC REG LDO 5V .7A/.1A TO-220-11 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LM9074 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:System Voltage Regulator with Keep-Alive ON/OFF |
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