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Fabricante

APC18T04

3.0-5.5Vin / 18A Non-Isolated Point-of-Load

Astec Semiconductor => Silicon Link 

Technical Reference Notes

APC18T04 Series

Electrical Specifications (continued)

OUTPUT SPECIFICATIONS

Parameter

Device Symbol

Min

Typ

Max

Unit

Dynamic Response (CO = 10uF

Tantalum + 1uF Ceramic)

∆IO/∆t

-

Load Change of 50% step

-

2.5

-

A/µs

anywhere between 10% to 100%

of rated load

Peak Deviation

All

-

Settling Time to VO, Nom <5%

-

Peak deviation

Dynamic Response (CO = 150uF

x2 Special Polymer Aluminum

∆IO/∆t

Capacitors)

Load Change of 50% step

anywhere between 10% to 100%

of rated load

-

300

350

mV

-

25

50

µs

2.5

A/µs

Peak Deviation

Settling Time to VO, Nom <5%

All

Peak deviation

Output Voltage Trim Range6

All

Remote Sense

All

150

200

mV

150

200

µs

0.75

3.63

V

-

10%

V

NOTE: 1. The converter is not internally fused.

2. External input capacitance required. See Figure 1.

3. Refer to Appendix A3 for the output ripple and Noise Test Measurement Setup.

4. Output current limited by 60W/Vo. Output Power Derating applies at elevated temperature. See Thermal

Derating Curves.

5. OCP and OTP are in hiccup mode. The converter will auto restart once the fault is removed.

6. The voltage difference between input and output must be greater than 0.7V.

MODEL: APC18T04 SERIES

JULY 27, 2005 - REVISION A

SHEET 4 OF 13

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