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参数资料
| 型号： | R-78AA1.8-1.0SMD-R |
| 厂商： | Recom Power Inc |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 1A 4.75-18VIN 1.8V |
| 标准包装： | 250 |
| 系列： | Innoline R-78AA-1.0 |
| 类型： | 线性稳压器替代品 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 4.75V |
| 电压 - 输入（最大）： | 18V |
| Voltage - Output 1： | 1.8V |
| 电流 - 输出（最大）： | 1A |
| 电源（瓦） - 制造商系列： | 1.8W |
| 电压 - 隔离： | * |
| 特点： | * |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-DIP SMD 模块 |
| 尺寸/尺寸： | 0.60" L x 0.38" W x 0.35" H（15.3mm x 9.6mm x 8.8mm） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 82% |
| 电源（瓦特）- 最大： | 1.8W |
| 其它名称： | 80999162 |
Features
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Replacement for R-78Axx-1.0SMD series
RoHS 6/6 Conform (100% Lead Free)
High Reflow Temperature SMD Package
Adjustable Output Voltage
Short circuit protection, Thermal shutdown
Remote On/Off Control
Very Low Shutdown Current
INNOLINE
DC/DC-Converter
with 3 year Warranty
Description
The R-78AAxx-1.0SMD series are manufactured without lead and meet the requirements for RoHS 6/6 as well as
the increased reflow soldering temperatures associated with vapour phase soldering, making these high efficiency
switching regulators ideally suited to modern pick-and-place mass production. The efficiency of up to 94% means
that very little energy is wasted as heat. The additional features of remote on/off control and adjustable output volta-
ges will find many uses in the battery-powered, industrial, medical and automotive markets.
Selection Guide
1.0 AMP
SMD
Single Output
Part
Number
SMD
Input
Range
(V)
Output
Voltage
(V)
Adjust
Range
(V)
Output
Current
(A)
Efficiency
Min. Vin Max. Vin
(%) (%)
R-78AA1.5-1.0SMD
R-78AA1.8-1.0SMD
R-78AA2.5-1.0SMD
R-78AA3.3-1.0SMD
R-78AA5.0-1.0SMD
4.75 – 18
4.75 – 18
4.75 – 18
4.75 – 18
6.5 – 18
1.5
1.8
2.5
3.3
5.0
fixed
1.5~3.0
1.5~3.0
3.0~5.5
3.0~5.5
1.0
1.0
1.0
1.0
1.0
77
82
87
90
94
73
76
81
84
89
Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
Characteristics Conditions Min. Typ. Max.
Input Voltage Range See Table 4.75V 18.0V
Output Voltage Range See Table 1.5V 5.5V
Output Current All Series 0mA* 1000mA
Output Current Limit All Series 5500mA
Short Circuit Input Current Vin = 12V 120mA
Internal Power Dissipation 0.4W
Short Circuit Protection Continuous, automatic recovery
Output Voltage Accuracy 100% Load ±2% ±3%
Adjustable Voltage Range See Table 1 ±50%
Line Voltage Regulation (Vin = min to max at full load) 0.2% 0.4%
Load Regulation (10% to 100% full load) 0.7% 1.0%
Dynamic Load Stability 100%<>50% load, 25mA/μs ±85mV ±100mV
Ripple & Noise (20MHz BW) 20mVp-p 30mVp-p
Temperature Coefficient -40°C~+85°C ambient 0.015%/°C
Max capacitance Load with normal start-up time, no external components 470μF
with <1 second start up time + diode protection circuit 6800μF
Switching Frequency 335kHz 385kHz 435kHz
Quiescent Current Vin = min. to max. at 0% load 5mA 7mA
ON/OFF Remote Control Pin Drive Current ON: Open or 1.6V<Vr<5V
RoHS
2011/65/EU
6/6
EN-60950-1 Certified
R-78AA-1.0
Derating-Graph
(Ambient Temperature)
120
100
80
OFF: GND or 0<Vr<1.6V Ir=1.8μA typ
Converter Input Current (valid for Vr < 1.6V) 20μA 35μA
Remote On/Off Threshold Voltage (Vr rising) 2.4V 2.6V 2.8V
60
40
30
20
Safe Operating Area
75
Remote On/Off Voltage Hysteresis 250mV
Operating Temperature Range -40°C +85°C
Switch On/Off Time (using Remote On/Off Control) 50ms
0
-40 0 25 50
Operating Temperature (°C)
60
85
100
Operating Case Temperature +100°C
Storage Temperature Range -55°C +125°C
Case Thermal Impendance 70°C / W
Thermal Shutdown Internal IC junction +160°C
continued on next page
www.recom-international.com
REV: 0/2014
I-15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R-78AA2.5-0.5SMD | 功能描述:DC/DC转换器 0.5A DC/DC REG 4.75-34Vin 2.5Vout RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| R-78AA2.5-0.5SMD-R | 功能描述:DC/DC转换器 0.5A DC/DC REG 4.75-34Vin 2.5Vout RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| R-78AA2.5-1.0SMD | 功能描述:DC/DC转换器 1A DC/DC REG 4.75-18Vin 2.5Vout RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| R-78AA2.5-1.0SMD-R | 功能描述:DC/DC转换器 1A DC/DC REG 4.75-18Vin 2.5Vout RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| R-78AA3.3-0.5SMD | 功能描述:DC/DC转换器 0.5A DC/DC REG 4.75-34Vin 3.3Vout RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
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