Datasheet > INN3167C-H109-TL

INN3167C-H109-TL

更新时间： 2022-09-29 19:11:10

品牌	Logo	应用领域
帕沃英蒂格盛 - POWERINT		/
页数	文件大小	规格书
30页	2250K
描述
IC OFFLINE SWITCH SR CONTROL

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INN3167C-H109-TL 数据手册

浏览型号INN3167C-H109-TL的Datasheet PDF文件第10页

InnoSwitch3-CE

Cable Drop Compensation (CDC)

The amount of cable drop compensation is a function of the load with

respect to the constant current regulation threshold as illustrated in

Figure 8.

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Auto-Restart Thresholds

The FEEDBACK pin includes a comparator to detect when the output

voltage falls below V_FB(AR)of V_FB, for a duration exceeding t_FB(AR). The

secondary controller will relinquish control when this fault condition is

sensed. This threshold is meant to limit the range of constant current

(CC) operation.

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SECONDARY BYPASS Pin Overvoltage Protection

The InnoSwitch3-CE secondary controller features a SECONDARY

BYPASS pin OV feature similar to the PRIMARY BYPASS pin OV

feature. When the secondary is in control: in the event the

SECONDARY BYPASS pin current exceeds I_BPS(SD)(~7 mA) the

secondary will send a command to the primary to initiate an

auto-restart off-time (t_AR(OFF)) or latch-off event (see Secondary Fault

Response in Feature Code Addendum).

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Figure 8. Cable Drop Compensation Characteristics.

During normal operation, the secondary will stop requesting pulses

from the primary to initiate an auto-restart cycle when the FEEDBACK

pin voltage falls below the V_FB(OFF)threshold. The deglitch ﬁlter on the

protection mode is on for less than ~10 ms. By this mechanism, the

secondary will relinquish control after detecting that the FEEDBACK

pin is shorted to ground.

Output Constant Current

The InnoSwitch3-CE regulates the output current through an external

current sense resistor between the ISENSE and SECONDARY

GROUND pins where the voltage generated across the resistor is

compared to an internal reference of I_SV(TH)(~35 mV). If constant

current regulation is not required, the ISENSE pin must be tied to

SECONDARY GROUND pin.

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Figure 9. Intelligent Quasi-Resonant Mode Switching.

Rev. D 08/18

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