Datasheet > CAP012DG

CAP012DG

更新时间： 2024-01-03 09:22:24

品牌	Logo	应用领域
帕沃英蒂格盛 - POWERINT		光电二极管
页数	文件大小	规格书
8页	604K
描述
Zero Loss Automatic X Capacitor Discharge IC

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CAP012DG 技术参数

CAPZero Family

Safety

CAPZero meets safety requirements even if placed before the

system input fuse. If a short-circuit is placed between D1 and

D2 terminals of CAPZero, the system is identical to existing

systems where CAPZero is not used.

X Capacitor

With regard to open circuit tests, it is not possible to create a

fault condition through a single pin fault (for example lifted pin

test) since there are two pins connected to each of D1 and D2.

If several pins are lifted to create an open circuit, the condition

is identical to an open circuit ꢁ capacitor discharge resistor in

existing systems where CAPZero is not used. If redundancy

against open circuit faults is required, two CAPZero and R1 / R2

conﬁgurations can be placed in parallel.

Discharge Operation

≥4 mm

To meet the safety regulations, when the AC supply is

disconnected, CAPZero will discharge the ꢁ capacitor to the

safety extra low voltage (SELV) levels according to the above

functional description. Although there are no speciﬁc safety

requirements below SELV, CAPZero still continues the discharge

until the ꢁ capacitor is fully discharged. As such CAPZero can

be safely used at low input voltages such as the common

industrial 18 VAC and 24 VAC supply rails while retaining ꢁ

capacitor discharge when the AC source is disconnected.

PI-5610-041310

Figure 4. Typical PCB Layout.

Rev. D 11/11

www.powerint.com

1 2 345 6 7 8

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