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參數(shù)資料
| 型號： | AV34063S |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C |
| 中文描述： | 射頻放大器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 257K |
| 代理商： | AV34063S |
@vic
AV34063
1.5A,Step-Up/Down Inverting Switching Regulators
Copyright Avic Electronics Corp.
1
Website:
http://www.avictek.com
DESCRIPTION
The AV34063 is a monolithic control circuit containing the
primary functions required for DC-to-DC converters. This device
consists of an internal temperature compensated reference,
comparator, controlled duty cycle oscillator with an active current
limit circuit,driver and high current output switch. This device was
specifically designed to be incorporated in Step-Down and Step-Up
and Voltage-inverting applications with a minimum number of
external components.
FEATURES
z
Operation from 3.0 to 40V input
z
Low standby current
z
Current limiting
z
Output switch current of 1.5A
z
Output voltage adjustable
z
Frequency of operation from 100Hz to 100KHz
z
Precision 2% reference
BLOCK DIAGRAM
8
Drive
Collector
ORDERING INFORMATION
Part Number
Input
Operating Temperature Range
Package Type
AV34063
0
℃~+70℃
DIP-8
AV34063S
0
℃~+70℃
SOP-8
DIP-8
SOP-8
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
Switch
Collector
Switch
Emitter
Timing
Capacitor
Gnd
Comparator
Inverting
Input
V
CC
I
PK
Sense
(Bottom View)
(Top View)
Switch
Collector
Switch
Emitter
Timing
Capacitor
Gnd
Comparator
Inverting
V
CC
I
PK
Sense
Drive
Collector
S Q
R
Q2
Q1
100
C
T
I
PK
Oscillalo
Comparator
1.25
Reference
Regulator
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