MIL-DTL-62576B
3.4.3 Transient voltage.
3.4.3.1 Type I. The regulator shall meet the abnormal system requirements of
MIL-STD-1275, except that the steady state voltage shall be no greater than 30 V and the
transient voltage shall be no greater than 80 V (see 4.5.2.1 and 4.5.4).
3.4.3.2 Types II and III. The regulator shall meet the requirements of MIL-STD-1275
(see 4.5.2.2). For type III only, this requirement shall be met with pin "E" of the battery
connector grounded and ungrounded.
3.4.4 Load switching.
3.4.4.1 Type I. The regulator shall meet the abnormal system requirements of
MIL-STD-1275, except that the steady state voltage shall be no greater than 30 V, the transient
voltage shall be no greater than 80 V, and the peak to peak ripple voltage shall be no greater than
5 V (see 4.5.3.1).
3.4.4.2 Types II and III. Not applicable.
3.4.5 Voltage regulation (ER).
3.4.5.1 Type I. The regulator shall establish and maintain output voltage at 28.5 + 0.7 V
throughout the generator speed range of 2000 to 8000 revolutions per minute (rpm) (see 4.5.4.1).
3.4.5.2 Types II and III. The regulator shall establish and maintain regulated voltage over
a load range of 25 to 350 A and generator speed range of 2400 to 8000 rpm as shown in figures 1
and 2. Overshoot and undershoot limits and time to re-establish and maintain regulated voltage
shall conform to limits on figure 1. The fundamental frequency of the voltage waveforms shall be
greater than 100 Hertz (Hz) (see 4.5.4.2 and 4.5.4.3). For type III only, this requirement shall be
met with pin "E" of the battery connector ungrounded, and when grounded, the 350 A
requirement is replaced with 100 A.
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