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Electrical characteristics curves (con.) – Delta Electronics Delphi S36SE User Manual

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DS_S36SE05003_07312008

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ELECTRICAL CHARACTERISTICS CURVES (CON.)

Figure 7:

(For positive remote on/off logic)Turn-on transient at zero

load current (5 ms/div). Vin=48V. Top Trace: Vout, 2V/div; Bottom
Trace: ON/OFF input, 5V/div.

Figure 8:

Output voltage response to step-change in load current

(75%-50% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF tantalum
capacitor and 1µF ceramic capacitor. Top Trace: Vout (200mV/div,
100us/div), Bottom Trace: Iout (1A/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

(50%-75% of Io, max; di/dt = 0.1A/µs). Load cap: 10µF tantalum
capacitor and 1µF ceramic capacitor. Top Trace: Vout (200mV/div,
100us/div), Bottom Trace: Iout (1A/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 (L

TEST

) of 12 μH. Capacitor Cs offset possible

battery impedance. Measure current as shown below.