E48SC3R315PNFA datasheet(5/15 Pages) DELTA

Part #	E48SC3R315PNFA

Description	Delphi Series E48SC, Eighth Brick Family DC/DC Power Modules: 48V in, 3.3V/15A out

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Manufacturer	DELTA [Delta Electronics, Inc.]

Direct Link	http://www.deltaww.com

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DS_E48SC3R315_10092012

5

ELECTRICAL CHARACTERISTICS CURVES

Figure 8: Output voltage response to step-change in load

current (75%-50%-75% of Io, max; di/dt = 0.1A/µs). Load cap:

10µF, tantalum capacitor and 1µF ceramic capacitor. Top Trace:

Vout (100mV/div, 200us/div), Bottom Trace: I out (5A/div).

Scope measurement should be made using a BNC cable

(length shorter than 20 inches). Position the load between 51

mm to 76 mm (2 inches to 3 inches) from the module

Figure 9: Output voltage response to step-change in load

current (75%-50%-75% of Io, max; di/dt = 2.5A/µs). Load cap:

330µF, 35m

Ω ESR solid electrolytic capacitor and 1µF ceramic

capacitor. Top Trace: Vout (100mV/div, 200us/div), Bottom

Trace: I out (5A/div). Scope measurement should be made

using a BNC cable (length shorter than 20 inches). Position the

load between 51 mm to 76 mm (2 inches to 3 inches) from the

module

Figure 10: Test set-up diagram showing measurement points

for Input Terminal Ripple Current and Input Reflected Ripple

Current.

Note: Measured input reflected-ripple current with a simulated

source Inductance (LTEST) of 12 µH. Capacitor Cs offset

possible battery impedance. Measure current as shown above

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