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參數(shù)資料
| 型號： | SC1631-5CS |
| 廠商： | Semtech Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| 中文描述： | 低電壓升壓型DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 168K |
| 代理商： | SC1631-5CS |
1997 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
LOW VOLTAGE STEP-UP
DC-DC CONVERTER
SC1631
January 29, 1998
FEATURES
High efficiency 90%
Power-saving shutdown mode (7μA typical)
Internal 2A switch
120kHz switching rate
Adjustable switch current limit
On-chip low battery detector
DESCRIPTION
The SC1631 is a high efficiency step up DC-DC
converter. Only four external components are required
to deliver a fixed voltage of 3V, 3.3V, or 5V. Efficiency
beyond 87% can be easily achieved at 100mA load
with 2.2V to 3V input voltages.
A logic-controlled shutdown mode is provided for
power saving. Switch current limit can be programmed
with a resistor. The low battery detector can be
configured as a linear regulator or a burst mode
controller providing extremely low supply current
operation.
A switching rate of 120kHz reduces the inductor size -
inductors of 25μH to 50μH are recommended for most
applications.
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
APPLICATIONS
Palmtop and notebook computers
Pocket organizers
Cameras
Pagers
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
BLOCK DIAGRAM
Note:
(1) Add suffix ‘TR’ for tape and reel.
ORDERING INFORMATION
DEVICE
(1)
OUTPUT VOLTAGE
PACKAGE
SC1631CS
SC1631-3CS
SC1631-5CS
3.3V
3.0V
5.0V
SO-8
PIN CONFIGURATION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC1631CS | 615C150GAD22 RoHS Compliant: No |
| SC1633-3CS | LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC1633-5CS | LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC1633 | LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC1633CS | LOW VOLTAGE STEP-UP DC-DC CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC16315S | 制造商:SILAN 制造商全稱:Silan Microelectronics Joint-stock 功能描述:VFD CONTROLLER/DRIVER |
| SC1631CS | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC1633 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC1633-3CS | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LOW VOLTAGE STEP-UP DC-DC CONVERTER |
| SC1633-5CS | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:LOW VOLTAGE STEP-UP DC-DC CONVERTER |
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