SLUUCU2A March   2023  – September 2023 UCC14130-Q1 , UCC14131-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
    1. 1.1 U1 Component Selection
    2. 1.2 Pin Configuration and Functions
  5. 2Description
    1. 2.1 EVM Electrical Performance Specifications
  6. 3Schematic
  7. 4EVM Setup and Operation
    1. 4.1 Recommended Test Equipment
    2. 4.2 External Connections for Easy Evaluation
    3. 4.3 Powering the EVM
      1. 4.3.1 Power on for Start-up
      2. 4.3.2 Power off for Shutdown
    4. 4.4 EVM Test Points
    5. 4.5 Probing the EVM
  8. 5Performance Data
    1. 5.1  Efficiency Data
    2. 5.2  Regulation Data
    3. 5.3  Steady State Input Current
    4. 5.4  Start-Up Waveforms
    5. 5.5  Inrush Current
    6. 5.6  AC Ripple Voltage
    7. 5.7  EN and Timing
    8. 5.8  RLIM
    9. 5.9  Shutdown
    10. 5.10 Thermal Performance
  9. 6Assembly and Printed Circuit Board (PCB) Layers
  10. 7Bill of Materials (BOM)
  11. 8Revision History

2.1 EVM Electrical Performance Specifications

Table 2-1 EVM Electrical Specifications VIN = 12 V, VDD-VEE = 12 V, [+5V]-VEE = 5 V, TA = 25°C, (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
INPUT CHARACTERISTICS
VINInput voltage rangePVDD-VEE = 1.5 W11.21214V
VIN_ONInput voltage on910V
VIN_OFFInput voltage off7.2V
IIN_FLInput current at full loadVIN = 11.2 V, IVDD = 132.6 mA290mA
VIN = 12 V, IVDD = 128.5 mA282
VIN = 14 V, IVDD = 128.5 mA274
IIN_NLInput current at no loadVIN = 11.2V, IVDD = 0 mA22mA
VIN = 12 V, IVDD = 0 mA21
VIN = 14 V, IVDD = 0 mA19
IIN_OFFInput current at EN LOWEN LOW, VDD = VEE = 0 V540µA
EN to /PG delayIVDD =IVEE = 0 mA4.6ms
OUTPUT CHARACTERISTICS
VDD-VEEDC full load set-point11.2 V < VIN <14 V, IVDD = 130 mA12V
IVDDVDD load current range11.2 V < VIN < 14 V0130mA
VDD%LDLoad regulationVDDREG=VI(min)-VI(max)VI(max)×100%

VIN = 12 V, 0 mA ≤ IVDD ≤ 130 mA

0.7%
VDD%LNLine regulationVDDREG=VI(min)-VI(max)VI(max)×100%

IVDD = 124 mA, 11.2 V ≤ VIN ≤ 14 V

0.2%
VDDACpk-to-pk AC rippleIVDD = 130 mA115mV
VDDSSSoft-startIVDD = I[+5V] = 0 mA16ms
PMAXMaximum output powerIVDD = 130 mA, I[+5V] = 0 mA, 11.2 V < VIN < 14 V1.5W
[+5V]DC full load set-point11.2 V ≤ VIN ≤ 14 V, I[+5V] = 10 mA5V
I[+5V][+5V] load current range11.2 V ≤ VIN ≤ 14 V010mA
[+5V]ACpk-to-pk AC rippleI[+5V] = 10 mA155mV
SYSTEM CHARACTERISTICS
η100%Full load efficiencyIVDD = 130 mA, VDD = 12 V,45%
η50%Half load efficiencyIVDD = 65 mA, VDD = 12 V,41%
FSWSwitching frequency (1)VIN = 11.2 V, 0 mA < IVDD < 130 mA20.5MHz
VIN = 12 V, 0 mA < IVDD < 130 mA19.1
VIN = 14 V, 0 mA < IVDD < 130 mA16.6
VDD(OCL)VDD overcurrent limit

(I[+5V] = 0 mA)

VIN = 11.2 V, VDD = 12 V140mA
VIN = 12.0 V, VDD = 12 V155
VIN = 14.0 V, VDD = 12 V170
[+5V](OCL)[+5V] overcurrent limit

(IVDD = 0 mA)

VIN = 12.0 V, VDD = 12 V16mA
TMAXMaximum temperature rise above ambientIVDD = 130 mA, I[+5V] = 0 mA, VDD = 12 V75°C
(1) Switching frequency is specified as primary-side switching frequency. Secondary-side is 2x primary.