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ZHCSOY9 december 2021 UCC28781

PRODUCTION DATA

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8.2.1 Design Requirements for a 60-W, 15-V ZVSF Bias Supply Application with a DC Input

Table 8-1 Electrical Performance Specifications for AC Input, using Si MOSFET¹

PARAMETER		TEST CONDITIONS	MIN	NOM	MAX	UNIT
INPUT CHARACTERISTICS
V_IN	Input AC-line voltage (RMS)		90	115 / 230	264	V
f_LINE	Input AC-line frequency		47	50 / 60	63	Hz
P_STBY⁵	Input power at no-load, V_O = 15 V	V_IN = 230 V_RMS, I_O = 0 A		42		mW
P_STBY⁵	Input power at no-load, V_O = 15 V	V_IN = 115 V_RMS, I_O = 0 A		36		mW
OUTPUT CHARACTERISTICS
V_O	Output voltage	V_IN = 180 to 264 V_RMS, I_O = 0 to I_{O(FL_HI)}	14.7	15	15.3	V
V_O	Output voltage	V_IN = 90 to 180 V_RMS, I_O = 0 to I_{O(FL_LO)}	14.7	15	15.3	V
I_{O(FL_HI)}	Full-load rated output current, high input range	V_IN = 180 to 264 V_RMS			4	A
I_{O(FL_LO)}	Full-load rated output current, low input range	V_IN = 90 to 180 V_RMS			2	A
V_{O_pp}	Output ripple voltage, peak to peak, high input range	V_IN = 180 to 264 V_RMS, I_O = 0 to I_{O(FL_HI)}		TBD	TBD	mVpp
V_{O_pp}	Output ripple voltage, peak to peak, low input range	V_IN = 90 to 180 V_RMS, I_O = 0 to I_{O(FL_LO)}		TBD	TBD	mVpp
P_O(OPP)⁴	Over-power protection threshold	V_IN = 90 to 264 V_RMS			70	W
t_OPP⁴	Over-power protection duration	V_IN = 90 to 264 V_RMS, P_O > P_O(OPP)		160		ms
ΔV_O	Output voltage transient deviation at load-step	I_O steps between 0 A and I_{O(FL_HI)} at 100 Hz			±1000	mVpp
SYSTEMS CHARACTERISTICS
η_FL	Full-load efficiency²	V_IN = 230 V_RMS, I_O = I_{O(FL_HI)}		0.9336
η_FL	Full-load efficiency²	V_IN = 115 V_RMS, I_O = I_{O(FL_LO)}		0.9271
η_avg	4-point average efficiency² ³	V_IN = 230 V_RMS		0.9213
η_avg	4-point average efficiency² ³	V_IN = 115 V_RMS		0.9150
η_10%	Efficiency at 10% load²	V_IN = 230 V_RMS, I_O = 10% of I_{O(FL_HI)}		0.8684
η_10%	Efficiency at 10% load²	V_IN = 115 V_RMS, I_O = 10% of I_{O(FL_LO)}		0.8480
T_AMB	Ambient operating temperature range	V_IN = 90 to 264 V_RMS, I_O = 0 to I_O(FL)		25		°C

(1) The performance listed in this table is based on the test results from a single board, using either DC input or AC input for their respective results.

(2) Power losses from external input and output cables are not included in efficiency results.

(3) Average efficiency of four load points: I_O = 100%, 75%, 50%, and 25% of I_O(FL).

(4) Over-power protection (OPP) is not available in UCC28781A.

(5) Input stand-by power measured with XCD function disabled.

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訂購信息

8.2.1 Design Requirements for a 60-W, 15-V ZVSF Bias Supply Application with a DC Input