参数资料
| 型号： | MC44608P75G |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK ISO PWM 8-DIP |
| 产品变化通告： | Product Obsolescence 01/Jul/2009 |
| 标准包装： | 50 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 82kHz |
| 占空比： | 86% |
| 电源电压： | 6.6 V ~ 13 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -25°C ~ 85°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 其它名称： | MC44608P75GOS |
MC44608
Few External Components
Reliable and Flexible
SMPS Controller
The MC44608 is a high performance voltage mode controller
designed for off--line converters. This high voltage circuit that
integrates the startup current source and the oscillator capacitor,
requires few external components while offering a high flexibility and
reliability.
The device also features a very high efficiency standby management
consisting of an effective Pulsed Mode operation. This technique
enables the reduction of the standby power consumption to
approximately 1.0 W while delivering 300 mW in a 150 W SMPS.
General Features
? Integrated Startup Current Source
? Lossless Off--Line Startup
http://onsemi.com
8
1
PDIP--8
P SUFFIX
CASE 626
?
Direct Off--Line Operation
?
?
?
?
?
?
?
Fast Startup
Flexibility
Duty Cycle Control
Undervoltage Lockout with Hysteresis
On Chip Oscillator Switching Frequency 40 or 75
Secondary Control with Few External Components
These are Pb--Free Devices*
MARKING DIAGRAM
8
MC44608Pxx
AWL
YYWWG
Protections
1
?
?
?
?
?
Maximum Duty Cycle Limitation
Cycle by Cycle Current Limitation
Demagnetization (Zero Current Detection) Protection
“Over V CC Protection” Against Open Loop
Programmable Low Inertia Over Voltage Protection
Against Open Loop
MC44608Pxx
A
WL
YY
WW
G
= Device Code
xx = 40 or 75
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb--Free Package
? Internal Thermal Protection
SMPS Controller
PIN CONNECTIONS
? Pulsed Mode Techniques for a Very High Efficiency
Low Power Mode
? Lossless Startup
? Low dV/dT for Low EMI Radiations
Demag 1
I sense 2
8
7
V i
Control Input
GND
3
4
6
5
V CC
Driver
(Top View)
*For additional information on our Pb--Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
? Semiconductor Components Industries, LLC, 2010
December, 2010 -- Rev. 10
1
Publication Order Number:
MC44608/D
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