TIDT253 January   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Key System Requirements
  5. 2Testing and Results
    1. 2.1 Sensed VCR and Output Voltage Ripple Under Different Loads
    2. 2.2 Control Loop Bode Plot Comparison
    3. 2.3 Transient Response Test
    4. 2.4 References

1.1 Key System Requirements

Key System Specifications

Parameter Test Condition MIN NOM MAX Units
AC Input voltage (Low line) 100 115 132 V
AC Input voltage (High line) 180 230 264 V
Line Frequency 47 63 Hz
Output voltage All line and load conditions (±5%) 11.4 12 12.6 V
Output Current 84 A
PF 230Vin, 100% load 0.99
iTHD 10% load <10%
100% load <2%
Ripple and noise 12V main output ±120mV mV
AC holdup time @ 100% load, within Vout regulation 8 10 mS
Dynamic loading and transient response 50% of Iout-max, 2.5A/uS, 3300uF Capacitive load ±5% %
Operating ambient 0 25 50 °C
OCP of 12-V output Shut-down, latch-off 110 130 % of Iomax
OVP of 12-V output Shut-down, latch-off 13 14.5 V
Dimension (mm) Without shell and golden finger 165*66*38 mm
Power density 39 W/in3