Datasheet > ICL7667CBAZA

ICL7667CBAZA

更新时间： 2024-02-28 14:56:02

品牌	Logo	应用领域
英特矽尔 - INTERSIL		驱动器接口集成电路光电二极管
页数	文件大小	规格书
8页	195K
描述
Dual Power MOSFET Driver

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技术参数
数据手册

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ICL7667CBAZA 技术参数

生命周期：	Transferred	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.67
Is Samacsys：	N	Base Number Matches：	1

ICL7667CBAZA 数据手册

ICL7667

Typical Performance Curves (Continued)

100

= 15V

= 5V

= 1nF

= 10pF

100µA

100mA

10K

100K

10M

10k

10M

100k

FREQUENCY (Hz)

FIGURE 5. I

vs FREQUENCY

FIGURE 6. NO LOAD I

vs FREQUENCY

t = T

= 10pF

= 1nF

(V)

FIGURE 7. DELAY AND FALL TIMES vs V

FIGURE 8. RISE TIME vs V

Input Stage

Detailed Des cription

The input stage is a large N-Channel FET with a P-channel

constant-current source. This circuit has a threshold of about

1.5V, relatively independent of the VCC voltage. This means

that the inputs will be directly compatible with TTL over the

The ICL7667 is a dual high-power CMOS inverter whose

inputs respond to TTL levels while the outputs can swing as

high as 15V. Its high output current enables it to rapidly

charge and discharge the gate capacitance of power

MOSFETs, minimizing the switching losses in switchmode

power supplies. Since the output stage is CMOS, the output

entire 4.5V - 15V V

range. Being CMOS, the inputs draw

less than 1µA of current over the entire input voltage range

of ground to V . The quiescent current or no load supply

will swing to within millivolts of both ground and V

without

any external parts or extra power supplies as required by the

DS0026/56 family. Although most specifications are at V

current of the ICL7667 is affected by the input voltage, going

to nearly zero when the inputs are at the 0 logic level and

rising to 7mA maximum when both inputs are at the 1 logic

level. A small amount of hysteresis, about 50mV to 100mV

at the input, is generated by positive feedback around the

second stage.

= 15V, the propagation delays and specifications are almost

independent of V

In addition to power MOS drivers, the ICL7667 is well suited

for other applications such as bus, control signal, and clock

drivers on large memory of microprocessor boards, where

the load capacitance is large and low propagation delays are

required. Other potential applications include peripheral

power drivers and charge-pump voltage inverters.

Output Stage

The ICL7667 output is a high-power CMOS inverter,

swinging between ground and VCC. At V

= 15V, the

output impedance of the inverter is typically 7Ω. The high

FN2853.5

April 4, 2006

1 2 345 6 7 8

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