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參數(shù)資料
| 型號(hào)： | SC1630CS |
| 廠商： | Semtech Corporation |
| 元件分類(lèi)： | DC/DC變換器 |
| 英文描述： | LOW VOLTAGE MULTI-MODE DC-DC CONVERTER |
| 中文描述： | 低壓多模DC - DC變換器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 231K |
| 代理商： | SC1630CS |
1997 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
LOW VOLTAGE MULTI-MODE
DC-DC CONVERTER
SC1630
January 30, 1998
Note:
(1) Add suffix ‘TR’ for tape and reel.
FEATURES
Default +5V output voltage
Adjustable output voltage with two resistors
Power-saving shutdown mode (7μA typical)
120kHz switching rate
On-chip low battery detector
DESCRIPTION
The SC1630 is a DC-DC converter designed to drive
an external power switch for more flexibility, especially
in higher voltage and larger power applications.
Typically six components are required to set up a
step-up configuration easily achieving an efficiency
beyond 80%. A few more components are required to
set up a step down configuration delivering 4A load
current with 83% typical efficiency, 86% at 2A load,
and 300μA quiescent current.
The output voltage can be internally set to 5V or
externally set to an arbitrary value below breakdown
voltage of the power switch. Logic-controlled
shutdown mode is provided for power-saving. The low
battery detector can also be configured as a linear
regulator.
A 120kHz switching rate reduces the inductor size.
Inductors of 25μH to 50μH inductance are
recommended for most applications.
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
BLOCK DIAGRAM
APPLICATIONS
Palmtop and notebook computers
Battery charger supply
Cellular telephones
LCD contrast supply
Flash memory programmer
Battery backup supplies
Portable instruments
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Maximum
Units
Supply Voltage
V
IN
7.0
V
Operating
Temperature Range
T
A
0 to 70
°C
Storage Temperature
Range
T
STG
-65 to 125
°C
PIN CONFIGURATION
DEVICE
(1)
PACKAGE
SC1630CS
SO-8
ORDERING INFORMATION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC1631-3CS | LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC1631 | 615C100GATD10 RoHS Compliant: No |
| SC1631-5CS | LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC1631CS | 615C150GAD22 RoHS Compliant: No |
| SC1633-3CS | LOW VOLTAGE STEP-UP DC-DC CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC1631 | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC16311 | 制造商:SILAN 制造商全稱(chēng):Silan Microelectronics Joint-stock 功能描述:VFD CONTROLLER/DRIVER |
| SC16312 | 制造商:SILAN 制造商全稱(chēng):Silan Microelectronics Joint-stock 功能描述:1/4 to 1/11 DUTY FIP(VFD) CONTROLLER/DRIVER |
| SC16313 | 制造商:SILAN 制造商全稱(chēng):Silan Microelectronics Joint-stock 功能描述:VFD CONTROLLER / DRIVER |
| SC1631-3CS | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:LOW VOLTAGE STEP-UP DC-DC CONVERTER |
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