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부품번호 UM10437
기능 GreenChip 65 W TEA1738LT/T and TEA1703 demo board User manual
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UM10437 데이터시트, 핀배열, 회로
UM10437
GreenChip 65 W TEA1738LT/T and TEA1703 demo board
Rev. 1 — 28 February 2011
User manual
Document information
Info Content
Keywords
Notebook adapter, TEA1738LT/T, TEA1703, fixed frequency, ultra-low
standby power, high-efficiency, slim line
Abstract
This manual provides the specification, schematics and PCB layout of the
65 W TEA1738LT/T and TEA1703 demo board. For details on the
TEA1738LT/T or TEA1703 IC please refer to the application note.
http://www.Datasheet4U.com




UM10437 pdf, 반도체, 판매, 대치품
NXP Semiconductors
UM10437
GreenChip 65 W TEA1738LT/T and TEA1703 demo board
Low-cost implementation
Indicator LED
Ultra low no-load standby power (< 50 mW at 230 V, 50 Hz)
ENERGY STAR compliant
EMI CISPR22 compliant
2. Power supply specification
Table 1.
Symbol
Vi
fi
Pi(no_load)
Input specification
Description
input voltage
input frequency
input power (no-load)
Conditions
-
-
at 230 V; 50 Hz
Specification
90 to 264
47 to 60
< 50
Unit
V
Hz
mW
Table 2.
Symbol
Vo
Vo(min)
Output specification
Description
output voltage
Minimum output voltage
Vo(ripple)(p-p)
Io
Io(p)
Po
tholdup
-
-
tstartup
peak-to-peak output
ripple voltage
output current
peak output current
output power
hold-up time
line regulation
load regulation
start-up time
efficiency
- EMI
Conditions
-
during standby mode
operation
20 MHz bandwidth
continuous
for 50 ms
0 to 40 C6
at 115 V; 60 Hz; full load
-
-
at 115 V; 60 Hz
according to ENERGY
STAR (EPS 2)
CISPR22 compliant
Specification Unit
19 V
12 V
200
mV
0 to 3.34
5
5
5
1%
2%
3s
87
A
A
W
ms
%
pass
-
3. Perf ormance data
Performance figures based on the following PCB design:
Schematic version: Tuesday 18 November 2010 rev. A
3.1 Efficiency
Efficiency measurements were made using an automated test program containing a
temperature stability detection algorithm. The output voltage and current were measured
using a 4-wire current sense configuration directly at the PCB connector. Measurements
were performed for 115 V; 60 Hz and 230 V; 50 Hz.
UM10437
User manual
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 28 February 2011
© NXP B.V. 2011. All rights reserved.
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UM10437 전자부품, 판매, 대치품
NXP Semiconductors
UM10437
GreenChip 65 W TEA1738LT/T and TEA1703 demo board
3.6 Output voltage regulation in Standby mode
The output voltage regulation during no-load operation was measured for 90 V; 60 Hz and
264 V; 50 Hz.
Chan1 (yellow): VCC; Chan2 (green): Gate pulse; Chan3 (magenta): VO
Fig 5. Output voltage regulation at no-load 90 V; 60 Hz
019aab619
UM10437
User manual
Chan1 (yellow): VCC; Chan2 (green): Gate pulse; Chan3 (magenta): VO
Fig 6. Output voltage regulation at no-load 264 V; 50 Hz
019aab620
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 28 February 2011
© NXP B.V. 2011. All rights reserved.
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GreenChip 65 W TEA1738LT/T and TEA1703 demo board User manual

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