HCPL788J Datasheet, PDF (4/20 Pages) Agilent(Hewlett-Packard) – Isolation Amplifier with Short Circuit and Overload Detection

4
Regulatory Information
The HCPL-788J is pending approval by the following organizations:
VDE
Approved under VDE0884/06.92
with V_IORM = 891 Vpeak.
UL
Recognized under UL 1577, com-
ponent recognition program, File
E55361.
CSA
Approved under CSA Component
Acceptance Notice #5, File CA
88324.
VDE 0884 Insulation Characteristics*
Description
Symbol Characteristic
Unit
Installation classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage ≤ 300 V_rms
I-IV
for rated mains voltage ≤ 300 V_rms
I-III
for rated mains voltage ≤ 600 V_rms
I-II
Climatic Classification
55/85/21
Pollution Degree (DIN VDE 0110/1.89)
2
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b**
V_IORM x 1.875 = V_PR, 100% Production Test with
tm = 1 sec, Partial discharge < 5 pC
V_IORM
V_PR
891
1670
V_PEAK
V_PEAK
Input to Output Test Voltage, Method a**
V_IORM x 1.5 = V_PR, Type and Sample Test, t_m = 60 sec,
V_PR
Partial discharge < 5 pC
1336
V_PEAK
Highest Allowable Overvoltage
(Transient Overvoltage t_ini = 10 sec)
Safety-limiting values — maximum values allowed in the
event of a failure, also see Figure 2.
Case Temperature
Input Power
Output Power
Insulation Resistance at T_SI, V_IO = 500 V
V_IOTM
T_S
P_{S1, INPUT}
P_{S1, OUTPUT}
R_S
6000
175
400
600
>10⁹
V_PEAK
°C
mW
mW
Ω
* Isolation characteristics are guaranteed only within the safety maximum ratings which must be ensured by protective circuits within
the application. Surface Mount Classification is class A in accordance with CECC00802.
** Refer to the optocoupler section of the isolation and Control Components Designer’s Catalog, under Product Safety Regulations
section, (VDE-0884) for a detailed description of Method a and Method b partial discharge test profiles.
800
P_si – OUTPUT
P_si – INPUT
600
400
200
0
0 25 50 75 100 125 150 175 200
T_S – CASE TEMPERATURE – °C
Figure 2. Dependence of Safety-
Limiting Values on Temperature.