APC18T12-9 Просмотр технического описания (PDF) - Astec Semiconductor => Silicon Link

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APC18T12-9

12Vin / 18A Non-Isolated Point-of-Load

Astec Semiconductor => Silicon Link 

Technical Reference Notes

APC18T12 Series

Electrical Specifications (continued)

SAFETY AGENCY / MATERIAL RATING / ISOLATION

Parameter

Safety Approval

Device

All

UL/cUL 60950, Flamability and Temperature Rise

Material Flammability Rating

All

Input to Output Insulation Type

All

UL94V-0

Non-Isolated

Figure 1. Measure input reflected-ripple current with a simulated source inductance L1

of 1 uH. Capacitor C1 offsets possible battery impedance. Measure current as shown

above.

Vo(+)

Vo(-)

COPPER STRIP

C1 C2 C3

SCOPE

RESISTIVE

LOAD

Figure 2. Use C1 = 0.1µF @50V X7R ceramic capacitor (connected an inch away

from the output terminals of the UUT), C2 = 10µF @ 25V tantalum capacitor (2 inches

away from the output terminals of the UUT), C3 = 2x 150uF Polymer cap. Scope

measurement should be made using a BNC socket, positioned 3 inches away from

output terminals of the converter.

MODEL: APC18T12 SERIES

NOVEMBER 4, 2004 - REVISION 00

SHEET 5 OF 10

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