Datasheet > TOP225

TOP225

更新时间： 2024-01-14 13:15:12

品牌	Logo	应用领域
帕沃英蒂格盛 - POWERINT		/
页数	文件大小	规格书
20页	1537K
描述
Three-Terminal Off-Line PWM Switch

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中文翻译

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技术参数
数据手册

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TOP225 技术参数

是否Rohs认证：	符合	生命周期：	Not Recommended
零件包装代码：	SFM	包装说明：	TO-220, 3 PIN
针数：	3	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	14 weeks	风险等级：	8.45
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	控制模式：	VOLTAGE-MODE
控制技术：	PULSE WIDTH MODULATION	JESD-30 代码：	R-PSFM-T3
功能数量：	1	端子数量：	3
最高工作温度：	125 °C	最低工作温度：	-40 °C
最大输出电流：	2.2 A	封装主体材料：	PLASTIC/EPOXY
封装形状：	RECTANGULAR	封装形式：	FLANGE MOUNT
认证状态：	Not Qualified	表面贴装：	NO
切换器配置：	BOOST	最大切换频率：	110 kHz
技术：	CMOS	温度等级：	AUTOMOTIVE
端子形式：	THROUGH-HOLE	端子位置：	SINGLE

TOP225 数据手册

TOP221-227

ꢔꢋꢕꢖꢌ ꢗ Pꢘꢁ ꢙꢚꢛꢜ

ꢓꢑꢒ

TOPSwitch-II Family Functional Description

TOPSwitch is a self biased and protected linear control cur-

rent-to-duty cycle converter with an open drain output. High

efﬁciency is achieved through the use of CMOS and integra-

tion of the maximum number of functions possible. CMOS

process signiﬁcantly reduces bias currents as compared to

bipolar or discrete solutions. Integration eliminates external

power resistors used for current sensing and/or supplying

initial start-up bias current.

ꢂꢆꢇꢕ-ꢞꢌꢟꢇꢚꢞꢇ

ꢄ

ꢝ

ꢀ

ꢁꢂꢃ

During normal operation, the duty cycle of the internal output

MOSFET decreases linearly with increasing CONTROL pin

current as shown in Figure 4. To implement all the required

control, bias, and protection functions, the DRAIN and CON-

TROL pins each perform several functions as described

below. Refer to Figure 2 for a block diagram and to Figure 6

for timing and voltage waveforms of the TOPSwitch inte-

grated circuit.

ꢀ

ꢁꢄꢅ

ꢄ

2ꢑꢒ

ꢉꢀ1

ꢄ

ꢍꢐꢂꢏ

ꢉ

ꢀꢁꢂꢃ0ꢄ0ꢂ0ꢅ01ꢆꢇ

Figure 4. Relationship of Duty Cycle to CONTROL Pin Current.

5.7 V

4.7 V

DRAIN

5.7 V

4.7 V

DRAIN

C is the total external capacitance

connected to the CONTROL pin

Figure 5. Start-up Waveforms for (a) Normal Operation and (b) Auto-restart.

Rev. G 08/16

www.power.com

1 234 5 6 7...20

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TOP225PNTL	POWERINT	获取价格	Three-Terminal Off-Line PWM Switch
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TOP225YN	POWERINT	获取价格	Three-terminal Off-line PWM Switch
TOP225YNTL	POWERINT	获取价格	Three-Terminal Off-Line PWM Switch
TOP226	POWERINT	获取价格	Three-Terminal Off-Line PWM Switch
TOP226GN	POWERINT	获取价格	Three-Terminal Off-Line PWM Switch
TOP226GNTL	POWERINT	获取价格	Three-Terminal Off-Line PWM Switch