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参数资料
| 型号： | PKH4713API |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 7 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 6/20页 |
| 文件大小： | 1333K |
| 代理商： | PKH4713API |
14
EN/LZT 146 36 R1A (Replaces EN/LZT 137 29 R3) Ericsson Microelectronics AB, June 2000
EMC Specifications
The PKH power module is mounted on a double sided printed cir-
cuit board (PCB) with groundplane during EMC measurements. The
fundamental switching frequency is 485 kHz ±15% @ IO =
(0.5...1.0) × IOmax.
Operating Frequency (typ)
Radiated EMS (Electro-Magnetic Fields)
Radiated EMS is measured according to test methods in IEC
Standard publ. 801-3. No deviation outside the VO tolerance band
will occur under the following conditions:
Frequency range
Voltage level
0.01...200 MHz
3 Vrms/m
200...1,000 MHz
3 Vrms/m
1...12 GHz
10 Vrms/m
Test
Voltage level
Air discharge
±4 kV
Contact discharge
±2 kV
EFT
Electrical Fast Transients on the input terminals could affect the out-
put voltage regulation causing functional errors on the Printed Board
Assembly (PBA). The PKH power module withstand EFT levels of
0.5 kV keeping VO within the tolerance band and 2.0 kV without
destruction. Tested according to IEC publ. 801-4.
Output Ripple & Noise (VOac)
Output ripple is measured as the peak to peak voltage of the funda-
mental switching frequency and with a 500 nf capacitor connected
across the output.
The operating frequency vs. load and input voltage (72 V, 48 V and 38 V).
TC= +25
°C.
550
500
400
Operating
freq
uency
(kHz)
Load (%)
300
450
350
0
40
60
100
140
20
80
120
72 V
48 V
38 V
ESD
Electro Static Discharge is tested according to IEC publ. 801-2. No
destruction will occur if the following voltage levels are applied to
any of the terminal pins:
Conducted EMI (input terminals)
Spectrum
Analyzer
50 H
50
m
W
Power
Supply
EUT
PKH series typical conducted EMI performance
Test set up
The PKH 4000 meets class A in VDE 0871/0878, FCC Part 15J, and
CISPR 22 (EN 55022), except PKH 4000A for the fundamental switching
frequency.
Frequency range
Voltage level
0.15...300 MHz
1.0 Vrms
The signal is amplitude modulated with 1 kHz/80% and applied
both differential and common mode.
Conducted EMS
Electro Magnetic Susceptibility is measured by injection of elec-
trical disturbances on the input terminals. No deviation outside
the VO tolerance band will occur under the following conditions:
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