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ZHCSMC4A june 2020 – october 2020 UCC23514

PRODUCTION DATA

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机械数据 (封装 | 引脚)

DWV|8
- MPDS382B

散热焊盘机械数据 (封装 | 引脚)

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zhcsmc4a_oa

6.6 Insulation Specifications

PARAMETER		TEST CONDITIONS	VALUE	UNIT
CLR	External clearance⁽¹⁾	Shortest pin-to-pin distance through air	> 8.5	mm
CPG	External creepage⁽¹⁾	Shortest pin-to-pin distance across the package surface	> 8.5	mm
DTI	Distance through the insulation	Minimum internal gap (internal clearance)	> 17	µm
CTI	Comparative tracking index	DIN EN 60112 (VDE 0303-11); IEC 60112	> 600	V
	Material group	According to IEC 60664-1	I
	Overvoltage category per IEC 60664-1	Rated mains voltage ≤ 600 V_RMS	I-IV
	Overvoltage category per IEC 60664-1	Rated mains voltage ≤ 1000 V_RMS	I-III
DIN V VDE V 0884-11:2017-01⁽²⁾
V_IORM	Maximum repetitive peak isolation voltage	AC voltage (bipolar)	2121	V_PK
V_IOWM	Maximum working isolation voltage	AC voltage (sine wave); time dependent dielectric breakdown (TDDB) test;	1500	V_RMS
V_IOWM	Maximum working isolation voltage	DC Voltage	2121	V_DC
V_IOTM	Maximum transient isolation voltage	V_TEST = V_IOTM, t = 60 s (qualification); V_TEST = 1.2 × V_IOTM, t = 1 s (100% production)	7000	V_PK
V_IOSM	Maximum surge isolation voltage⁽³⁾	Test method per IEC 62368-1, 1.2/50 μs waveform, V_TEST = 1.6 × V_IOSM (qualification)	8000	V_PK
q_pd	Apparent charge⁽⁴⁾	Method a, After I/O safety test subgroup 2/3, V_ini = V_IOTM, t_ini = 60 s; V_pd(m) = 1.2 × V_IORM, t_m = 10 s	≤ 5	pC
		Method a, After environmental tests subgroup 1, V_ini = V_IOTM, t_ini = 60 s; V_pd(m) = 1.6 × V_IORM = 2400 V_PK, t_m = 10 s	≤ 5
		Method b1; At routine test (100% production) and preconditioning (type test) V_ini = 1.2 × V_IOTM; t_ini = 1 s; V_pd(m) = 1.875 × V_IORM = 2813 V_PK, t_m = 1 s	≤ 5
C_IO	Barrier capacitance, input to output⁽⁵⁾	V_IO = 0.4 sin (2πft), f =1 MHz	0.5	pF
R_IO	Isolation resistance, input to output⁽⁵⁾	V_IO = 500 V at T_A = 25°C	> 10¹²	Ω
		V_IO = 500 V at 100°C ≤ T_A ≤ 125°C	> 10¹¹
		V_IO = 500 V at T_S =150°C	> 10⁹
	Pollution degree		2
	Climatic category		40/125/21
UL 1577
V_ISO	Withstand isolation voltage	V_TEST = V_ISO = 5000 V_RMS, t = 60 s. (qualification), V_TEST = 1.2 × V_ISO = 6840 V_RMS, t = 1 s (100% production)	5000	V_RMS

(1) Creepage and clearance requirements should be applied according to the specific equipment isolation standards of an application. Care should be taken to maintain the creepage and clearance distance of a board design to ensure that the mounting pads of the isolator on the printed-circuit board do not reduce this distance. Creepage and clearance on a printed-circuit board become equal in certain cases. Techniques such as inserting grooves, ribs, or both on a printed circuit board are used to help increase these specifications.

(2) This coupler is suitable for safe electrical insulation only within the safety ratings. Compliance with the safety ratings shall be ensured by means of suitable protective circuits.

(3) Testing is carried out in air or oil to determine the intrinsic surge immunity of the isolation barrier.

(4) Apparent charge is electrical discharge caused by a partial discharge (pd).

(5) All pins on each side of the barrier tied together creating a two-pin device.