KEPCO ATE-DMG SERIES - Manual (Page 18)

1-4 ATE-DMG OPER 042314
TABLE 1-3. ATE DYNAMIC SPECIFICATIONS, RESISTIVE LOAD
OUTPUT
VOLTAGE RATING
PROGRAMMING BANDWIDTH
(FAST MODE)
(KHz)
PROGRAMMING TIME CONSTANT
(FAST MODE)

sec)
Typical minimum Typical maximum
6V 23.0 16.0 7.0 10.0
15V 20.0 10.6 8.0 15.0
25V 11.5 8.0 14.0 10.0
36V 8.0 6.4 20.0 20.0
55V 4.8 4.0 33.0 25.0
75V 4.3 3.5 37.0 40.0
100V 2.7 2.5 60.0 45.0
150V 1.8 1.7 88.0 95.0
325V 1.5 0.937 110.0 170.0
NOTES:
1. VOLTAGE RECOVERY FOR A STEP-LOAD CURRENT IN FAST MODE: The time required for the stabilized output
voltage to recover to within 0.1% (10mV for ATE 75-15DMG) of the output voltage setting, for a 10 to 100% step in rated
load current is typically less than 50usec., 100usec. maximum.
2. CURRENT RECOVERY FOR STEP-LOAD VOLTAGE IN SLOW MODE: The stabilized output current recovers from a
step in load (compliance) voltage with an exponential response, the time constant of which is determined by the load
resistance and the tabulated output capacitance (See Table 1-1).
3. PROGRAMMING SPEED: The speed with which the power supply output responds to external programming signals is
determined by:
a) The PROGRAMMING TIME CONSTANT (

), given in the “slow” mode by either the load resistance (R L ) and
the value of the output capacitor (C O , see Table 1-1):

= R L C O , or by the FEEDBACK TIME CONSTANT,
given by the product of the feedback capacitor and the feedback resistor:

= R f C f . whichever is greater. In
the “fast” mode, the PROGRAMMING TIME CONSTANT and bandwidth (-3dB) for the Voltage Control Chan-
nel is shown above.
For the Current Control Channel, the PROGRAMMING TIME CONSTANT in Fast Mode is 25usec. typical,
50usec. maximum. (80usec. for the ATE 325-0.8M).
b) The MAXIMUM RATE OF CHANGE that the power supply output can respond to in Slow Mode is given by the
setting of the power supply's current control setting (ILIM), divided by the ATE output capacitor (C O see Table
1-1):
MAXIMUM RATE OF CHANGE = I LIM /C O .
TABLE 1-4. OVERVOLTAGE/OVERCURRENT SETTINGS
MODEL NUMBER
MAXIMUM
OVERVOLTAGE
SETTING
MAXIMUM
OVERCURRENT
SETTING
MODEL NUMBER
MAXIMUM
OVERVOLTAGE
SETTING
MAXIMUM
OVERCURRENT
SETTING
ATE 6-100DMG 6.5V 110A ATE 55-20DMG 60V 22A
ATE 15-50DMG 16.5V 55A ATE 75-15DMG 82V 16A
ATE 25-40DMG 27V 44A ATE 100-10DMG 110V 11A
ATE 36-30DMG 39V 33A ATE 150-7DMG 165V 7.7A