NXP Semiconductors
UM10972
TEA1916DB1262 digital resonant 240 W/12 V power supply demo board
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Date of release: 8 June 2018
Document identifier: UM10972
Contents
1
Introduction ......................................................... 3
1.1
TEA19161T and TEA19162T ............................ 3
1.1.1
Pinning ...............................................................4
1.2
TEA1995T ..........................................................4
2
Safety warning .................................................... 5
3
Specifications ......................................................6
4
Board photographs .............................................7
5
Performance measurements ..............................9
5.1
Test facilities ......................................................9
5.2
Start-up behavior ............................................... 9
5.3
Efficiency ..........................................................10
5.3.1
Efficiency characteristics ................................. 10
5.3.2
No-load power consumption ............................12
5.3.3
Standby load power consumption ....................12
5.3.4
Power factor correction ....................................12
5.4
Low-power mode and burst mode operation ....12
5.5
Operation mode transitions ............................. 14
5.6
Output voltage ripple ....................................... 15
5.7
Dynamic load response ................................... 15
5.8
OverPower Protection (OPP) ...........................17
5.9
Hold time ......................................................... 19
5.10
Short-Circuit Protection (SCP) .........................20
5.11
OverVoltage Protection (OVP) .........................21
5.12
X-capacitor discharge time .............................. 22
5.13
ElectroMagnetic Compatibility (EMC) .............. 22
6
Schematic .......................................................... 24
7
Bill Of Materials (BOM) .....................................27
8
Layout .................................................................32
9
Transformer specifications .............................. 33
9.1
Resonant transformer ...................................... 33
9.2
PFC coil ...........................................................34
10
Abbreviations .................................................... 36
11
References .........................................................36
12
Legal information ..............................................37
