承认书
SPECIFICATION FOR APPROVAL
目
/
½/
Contents
1.
导言
Introduction..............................................................................................................................................................2
1.1
电源概况
Power Supply Overview...........................................................................................................................2
1.2
描述
Description.....................................................................................................................................................2
2.
电气规格
Electrical Specification......................................................................................................................................
2
2.1
输入电压
Input Voltage.......................................................................................................................................
2
2.2
输入频率
Input Frequency.....................................................................................................................................2
2.3
冲击电流
Inrush Current.......................................................................................................................................
2
2.4
最大输入电流
Input Current Limiting......................................................................................................................
2
2.5
效率
Efficiency.......................................................................................................................................................
2
2.6
输出电压范围
DC Output voltage range.................................................................................................................
3
2.7
输出电流
DC Output Current..................................................................................................................................
3
2.8
输出纹波与噪声
Output Ripple and Noise..............................................................................................................3
2.9
电压过冲
Overshoot at turn-on/ turn-off...................................................................................................................
3
2.10
过压保护
Over Voltage Protection.........................................................................................................................3
2.11
短路保护
Short Circuit Protection..........................................................................................................................
4
2.12
过流保护
Over Current Protection.........................................................................................................................4
2.13
保持时间
Hold up Time........................................................................................................................................
4
2.14
启动时间
Start up Time........................................................................................................................................4
3
环境要求
Environment Requirement..................................................................................................................................
4
3.1
温度
Temperature...................................................................................................................................................4
3.2
湿度
Humidity........................................................................................................................................................
4
4
可靠性
Reliability..............................................................................................................................................................5
4.1
平均无故障间隔时间
MTBF................................................................................................................................
5
4.2
老化寿½测试
Burn-in and Life test........................................................................................................................
5
5
产品安规要求
Product Safety Requirement.......................................................................................................................5
5.1
标准
Standard.........................................................................................................................................................5
5.2
安规认证..............................................................................................................................................................
5
5.3
绝缘强度
Dielectric Strength Testing.......................................................................................................................
5
5.4
绝缘阻抗
Insulation Resistance.............................................................................................................................
6
6
外观结构图
Case Mechanical Dimensions.................................................................................................................
6
.....................................................................................................................................................................................6
7
包装
Packing.............................................................................................................................................................
6
8
主要测试设备
Major Test Equipment................................................................................................................................
7
9
出货检验标准
Inspection Standards................................................................................................................................
7
Model No.:
YCZX-1258(12V/1A)
Rev.:A
Page 1 of 7
1.
导言
Introduction
1.1
电源概况
Power Supply Overview
这½规格书定义了
9W
的电源适配器的功½需求，此电源将市电变换为
1
组稳定、连续的直流电压输
出,并符合
ROHS
标准。
This specification defines
9W
power adapter functional requirements, the power adapter transformed a
AC into stable, continuous DC voltage output，And the power supply shall meet the RoHS requirements.
1.2
描述
Description
■插墙式适配器
SMPS Adaptor(Wall mount)
□开放式结构
Open Frame
□其他
Others
□桌面型适配器
SMPS Adaptor(Desk-top)
□带铁壳型
SMPS Unit (With Case)
2.
电气规格
Electrical Specification
2.1
输入电压
Input Voltage
工½电压范围为
90V-264V~交流电压，额定工½电压为 100V-240V~，在
2.7
定义负½½范围下，电源½正
常工½并符合所有电气特性。
Operating voltage range
90-264V~,
rated operating voltage
100-240V~,
the power shall work normally and meet all
electrical requirements as per the load range specified in section 2.7.
2.2
输入频率
Input Frequency
交流输入电压频率范围
47~63Hz./Input AC voltage frequency range 47~63Hz.
额定交流输入电压频率
50/60Hz./Input rated AC voltage frequency range 50/60Hz.
2.3
冲击电流
Inrush Current
冲击电流峰值在额定输入电压，冷启动（25℃）时，不大于
50A；且在任½负½½和输入条件下，不导
致永久性损坏或危险，输入电压的定义
2.1
节.
Peak inrush current shall be limited to 50 A while the cold start at 25 degrees C and rated input voltage, and shall not
result in a permanent damage of the power supply under any conditions of load and input voltage as specified at any input
voltage in section 2.1.
2.4
最大输入电流
Input Current Limiting
在输入电压最小值，负½½为满½½条件下，最大输入电流不大于
0.5
A。
The input current should be less than
0.5
A, under minimum AC input and full loads.
2.5
效率
Efficiency
在额定输入电压，额定负½½条件下，电源的效率大于
80
The power supply efficiency shall be greater than
load. no load input watt≤0.3W。
80
%.
空½½输入功率≤0.3W。
% under rated input voltage. It will be measured at the typical
Model No.:
YCZX-1258(12V/1A)
Rev.:A
Page 2 of 7
2.6
输出电压范围
DC Output voltage range
9V8.5V—9.5V（在适配器的输出线材的端子上测量）
9V8.5V—9.5V (measure the terminal of output wire in the adapter)
2.7
2.7输出电流 DC Output Current
表格
1：输出电流限值
Output
输出
1
Table 1: DC output current limits
Min.
最小值
0
Max.
最大值
1
Unit
单½
A
2.8
输出纹波与噪声
Output Ripple and Noise
下面表格
2
是纹波与噪声要求，以
2.6
节中定义的负½½范围和
2.1
节定义的输入电压为测试条件，
纹波与噪声均应符合要求，测试时示波器设½为
20MHz
带½，输出端并接一
0.1uF
瓷片电容和一
10uF
½电解电容（½
ESR
值）
。
The following table 2 is output ripple and noise requirements, it will be met throughout the load ranges specified in
Section 2.6 and under all input voltage conditions as specified Section 2.1, Measurements will be made with an
oscilloscope set to 20MHz bandwidth limit. The outputs will be bypassed with one0.1uF multilayer (type X7R) and one
10uF tantalum electrolytic (low ESR) capacitors.
表格
2：纹波与噪声限值
Output
输出
9V≤90MV
Table 2: Output ripples and noise limits
最大值
Max.
9V90MV
2.9
2.9电压过冲 Overshoot at turn-on/ turn-off
开机或关机时，电压过冲不得超过标称值的
110 %.
Any overshoot at turn on or turn off shall be less than 110 % of rated output voltage.
2.10
过压保护
Over Voltage Protection
电源提供的过压保护，详细定义如下表：
The power supply will provide over voltage protection function as defined below.
表格
3：
过压保护限值
Table 3: Over Voltage Protection limits
Output
输出
Min.
最小
Max
最大值
Unit
单½
Model No.:
YCZX-1258(12V/1A)
Rev.:A
Page 3 of 7
2.11
短路保护
Short Circuit Protection
电源输出的短路将自动进入保护状态，在保护过程中，不会出现诸如元器件、连接器等损坏危险，
断开短路后，电源将自动恢复正常。
An output short circuit will automatically enter the protected status .The power supply will protect without damage to
overseers of to the unit (components, connectors, etc) under the protection of process.
2.12
过流保护
Over Current Protection
电源过流点符合下表限值要求，而且过流保护无任½危险和损坏，在保护去除后，电源要断开
AC
输
入让电容放电完后方½恢复其功½。
The power supply shall meet the limitation requirement as below table without any damage, the unit shall recover the
function after the protection is removed.
表格
4：
过流保护限值
Output
输出
1A
Min.
最小
2.5V
Table 4: Over Current Protection limits
Max.
最大
3.2V
Unit
单½
A
2.13
保持时间
Hold up Time
满½½条件下，电源在
100 Vac
输入时，保持时间不小于
10 mS。
Hold-up time no less than 10 mS at 100 Vac input, the output loading should be set up with full load during the test.
2.14
启动时间
Start up Time
满½½条件下，电源在
100 Vac
输入时，启动时间不大于
3
秒。
Start up time no more than 3 seconds at
test.
100 Vac input, the output loading should be set up with full load during the
3
环境要求
Environment Requirement
3.1
温度
Temperature
工½环境温度:
0-+40℃
Operating Ambient: 0-+40℃
贮存环境温度:
-20-+75℃
Non-operating Ambient: -20-+75℃
3.2
湿度
Humidity
工½时:
20%~85%相对湿度（非冷凝）
Operating: 20%~85%relative humidity (Non- condensing)
贮存时:10%~90%相对湿度（非冷凝）
Non-operating: 10%~90% relative humidity (Non- condensing)
Model No.:
YCZX-1258(12V/1A)
Rev.:A
Page 4 of 7
4
可靠性
Reliability
4.1
平均无故障间隔时间
MTBF
25℃环境温度，满½½条件，额定电压输入条件，平均无故障间隔时间
≥
10000
小时(MIL-HDBK-217F)。
MTBF no less than 10000 hours (25 degrees C, Full load and rated voltage input, MIL-HDBK-217F)
4.2
老化寿½测试
Burn-in and Life test
RS
将与客户评估并确认电源产品室内老化寿½测试过程。
RS shall discuss with customer to maker sure the power in house Burn-In and life test procedures.
5
产品安规要求
Product Safety Requirement
5.1
标准
Standard
遵循
IEC60950、
Meet IEC60950、
EN55022
EN55022
要求。
standard requirement.
5.2
安规认证
/
类型/
Type
□
UL/CUL
□TUV/GS
□
FCC
√
CE
□IRAM
□MEPS
/Country
½家/Country
美½/USA
欧洲/Europe
美½/USA
欧洲/Europe
阿根廷/Argentina
澳洲/Australia
/Type
类型/Type
√
CCC
□PSE
□CB
□C-TICK
□EK
/Country
½家/Country
中½/China
日本/Japan
欧洲/Europe
澳洲/Australia
韩½/Korea
5.3
绝缘强度
Dielectric Strength Testing
绝缘强度满足下表的要求，100% 在线产品执行此项测试，并每一项目至少保持
3 S
时间，无任½故障。
Hi-pot test shall be met the table 5 requirements, an item listing this test as a 100% production test must be performed and be
maintained at that level for a minimum of 3seconds without failure.
表
5：耐压测试
项目
Item
输入-----输出
Primary to Secondary
输入-----地
输出-----地
Primary to P.G
Secondary to P.G
Table 5: Hi-pot test
规格要求
Specification
1.5KVac
-
-
< 5mA
-
-
无飞弧
No arcing
无击穿
No broken
备注
Remark
Model No.:
YCZX-1258(12V/1A)
Rev.:A
Page 5 of 7
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