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參數資料
| 型號： | CS51021A |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Enhanced Current Mode PWM Controller |
| 中文描述： | 增強電流模式PWM控制器 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 136K |
| 代理商： | CS51021A |
Semiconductor Components Industries, LLC, 2006
February, 2006 Rev. 8
1
Publication Order Number:
CS51021A/D
CS51021A, CS51022A,
CS51023A, CS51024A
Enhanced Current Mode
PWM Controller
The CS51021A/2A/3A/4A Fixed Frequency PWM Current Mode
Controller family provides all necessary features required for ACDC
or DCDC primary side control. Several features are included
eliminating the additional components needed to implement them
externally. In addition to low startup current (75 A) and high
frequency operation capability, the CS51021A/2A/3A/4A family
includes overvoltage and undervoltage monitoring, externally
programmable dual threshold overcurrent protection, current sense
leading edge blanking, current slope compensation, accurate duty cycle
control and an externally available 5.0 V reference. The CS51021A
and CS51023A feature bidirectional synchronization capability, while
the CS51022A and CS51024A offer a sleep mode with 100 A
maximum IC current consumption. The CS51021A/2A/3A/4A family
is available in a 16 lead narrow body SOIC package.
Device
Sleep/Synch
V
CC
Start/Stop
CS51021A
Synch
8.25 V/7.7 V
CS51022A
Sleep
8.25 V/7.7 V
CS51023A
Synch
13 V/7.7 V
CS51024A
Sleep
13 V/7.7 V
Features
75 A Max. Startup Current
Fixed Frequency Current Mode Control
1.0 MHz Switching Frequency
Undervoltage Protection Monitor
Overvoltage Protection Monitor with Programmable Hysteresis
Programmable Dual Threshold Overcurrent Protection with
Delayed Restart
Programmable Soft Start
Accurate Maximum Duty Cycle Limit
Programmable Slope Compensation
Leading Edge Current Sense Blanking
1.0 A Sink/Source Gate Drive
Bidirectional Synchronization (CS51021A/3A)
50 ns PWM Propagation Delay
100 A Max Sleep Current (CS51022A/4A)
PbFree Packages are Available*
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
x
A
WL, L
Y
WW, W = Work Week
G or
= PbFree Package
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
SOIC16
D SUFFIX
CASE 751B
1
16
V
FB
I
SET
1
C
A
16
COMP
R
T
C
T
SS
OV
LGND
UV
V
REF
SLOPE
V
CC
SLEEP or SYNC
PGND
I
SENSE
V
C
GATE
PIN CONNECTIONS AND
MARKING DIAGRAMS
http://onsemi.com
1
16
TSSOP16
DTB SUFFIX
CASE 948F
C
0
A
1
16
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
ORDERING INFORMATION
相關PDF資料 |
PDF描述 |
|---|---|
| CS51021AED16 | Enhanced Current Mode PWM Controller |
| CS51021AEDR16 | Enhanced Current Mode PWM Controller |
| CS51021AEDR16G | Enhanced Current Mode PWM Controller |
| CS51022A | Enhanced Current Mode PWM Controller |
| CS51022ADBG | Enhanced Current Mode PWM Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CS51021A/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Enhanced Current Mode PWM Controller |
| CS51021AA | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators |
| CS51021AED16 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述:Enhanced Current Mode PWM Controller |
| CS51021AEDR16 | 功能描述:電流型 PWM 控制器 ANA ENHANCED PWM CONTROL RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| CS51021AEDR16G | 功能描述:電流型 PWM 控制器 Enhanced Current Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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