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參數(shù)資料
| 型號： | MC33065-L |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | High Performance Dual Channel Current Mode Controllers |
| 中文描述： | 高性能雙通道電流模式控制器 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 583K |
| 代理商： | MC33065-L |
Semiconductor Components Industries, LLC, 2006
July, 2006
Rev. 2
1
Publication Order Number:
MC34065
H/D
MC34065H, L
MC33065H, L
High Performance
Dual Channel Current
Mode Controllers
The MC34065
H,L series are high performance, fixed frequency,
dual current mode controllers. They are specifically designed for
off
line and dc
to
dc converter applications offering the designer a
cost effective solution with minimal external components. These
integrated circuits feature a unique oscillator for precise duty cycle
limit and frequency control, a temperature compensated reference,
two high gain error amplifiers, two current sensing comparators, Drive
Output 2 Enable pin, and two high current totem pole outputs ideally
suited for driving power MOSFETs.
Also included are protective features consisting of input and
reference undervoltage lockouts each with hysteresis, cycle
by
cycle
current limiting, and a latch for single pulse metering of each output.
These devices are available in dual
in
line and surface mount
packages.
The MC34065
H has UVLO thresholds of 14 V (on) and 10 V (off),
ideally suited for off
line converters. The MC34065
L is tailored for
lower voltage applications having UVLO thresholds of 8.4 V (on) and
7.8 V (off).
Unique Oscillator for Precise Duty Cycle Limit and Frequency Control
Current Mode Operation to 500 kHz
Automatic Feed Forward Compensation
Separate Latching PWMs for Cycle
By
Cycle Current Limiting
Internally Trimmed Reference with Undervoltage Lockout
Drive Output 2 Enable Pin
Two High Current Totem Pole Outputs
Input Undervoltage Lockout with Hysteresis
Low Startup and Operating Current
Representative Block Diagram
+
+
Error
Amp 1
V
ref
Sync Input
R
T
C
T
Voltage
Feedback 1
Compensation 1
Drive Output
2
Enable
Voltage
Feedback 2
Compensation 2
1
5
1
5
13
12
14
4
2
3
7
6
10
11
Drive Output 1
Current Sense
1
Drive Output 2
Current Sense
2
V
CC
16
Gnd
8
Drive Gnd
9
Error
Amp 2
Oscillator
V
ref
Undervoltage
Lockout
5.0V
Reference
V
CC
Undervoltage
Lockout
Latching
PWM 1
Latching
PWM 2
R
R
http://onsemi.com
SEMICONDUCTOR
TECHNICAL DATA
HIGH PERFORMANCE
DUAL CHANNEL CURRENT
MODE CONTROLLERS
P SUFFIX
PLASTIC PACKAGE
CASE 648
DW SUFFIX
PLASTIC PACKAGE
CASE 751G
(SO
16L)
1
16
16
1
ORDERING INFORMATION
PIN CONNECTIONS
Sync Input
C
T
R
T
Voltage Feedback 1
Compensation 1
Current Sense 1
Drive Output 1
Gnd
V
CC
V
ref
Drive Output 2 Enable
Voltage Feedback
2
Compensation
2
Current Sense
2
Drive Output 2
Drive
Gnd
1
(Top View)
2
3
4
5
6
7
8
9
11
10
12
13
14
15
16
T
A
=
40
°
to +85
°
C
Device
Operating
Temperature Range
Package
SO
16L
MC34065DW
H
MC34065DW
L
MC34065P
H
MC34065P
L
MC33065DW
H
MC33065DW
L
T
A
= 0
°
to +70
°
C
MC33065P
H
MC33065P
L
Plastic DIP
SO
16L
Plastic DIP
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| MC33067DWG | High Performance Resonant Mode Controllers |
| MC33067DWR2 | High Performance Resonant Mode Controllers |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33065P | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLER |
| MC33065P-H | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Dual Channel Current Mode Controllers |
| MC33065P-L | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Dual Channel Current Mode Controllers |
| MC33066 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:High Performance Resonant Mode Controllers |
| MC33066DW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:HIGH PERFORMANCE RESONANT MODE CONTROLLERS |
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