EPR-29 Datasheet, PDF (17/36 Pages) Power Integrations, Inc. – Engineering Prototype Report for EP-29 - Multiple Output 11 W (15.5 W peak) AC-DC Power Supply using TNY268P

07-July-03
EPR-29 – 4 Output, 11 W, Universal Input, DVD Supply
9 Performance Data
All measurements performed at room temperature, 60 Hz input frequency. Full load is:
3.3 V, 0.7 A; 5 V, 1.6 A; +12 V, 0.4 A; -12 V, 0.1 A.
9.1 Efficiency
84%
83%
EP-29 Efficiency vs. Input Voltage
Pout = 17 W
Pout = 10 W
82%
81%
80%
79%
78%
80
100 120 140 160 180 200 220 240 260 280
AC Input Voltage (V RMS)
Figure 7 - Efficiency vs. Input Voltage, Room Temperature, 60 Hz.
9.2 No-load Input Power
E_EP_P-_-2₂9₉N_No_o-_-L_loo_aa_dd_iI_nn_pp_uu_tt_pP_oo_ww_ee_rr_vv_ss_. ._LL_inin_ee
100
90
80
70
60
50
40
30
20
10
0
80
3.3 V and 5 V outputs unloaded
12 V and -12 V outputs 6 kΩ
130
180
230
280
AC Input Voltage (V RMS)
Figure 8 - Zero Load Input Power vs. Input Line Voltage, Room Temperature, 60 Hz.
Page 17 of 36
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