LF103ESI

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MPD
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描述：
LF103ESI - Low Cost, Single Output 1W High Isolation SMT DC/DC Converters - MicroPower Direct, LLC

数据手册：

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LF103ESI 数据手册

LF100ESI Series Low Cost, Single Output 1W High Isolation SMT DC/DC Converters Electrical Speciﬁcations Speciﬁcations typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Speciﬁcations subject to change without notice. Key Features: • 1W Output Power • Ultra-Miniature SMT Case • 3,000 VDC Isolation • UL Approved (File E245422) • Single Output • Low 0.24” Proﬁle • >3.5 MHour MTBF • 3.3, 5V, & 12V Inputs • LOWEST COST! Input Parameter Input Voltage Range Reverse Polarity Input Current Input Filter Capacitor Conditions For Vin Change of 1% See Model Selection Guide 60 ±0.01 Momentary (0.5 Sec.) Conditions 60 Seconds 500 VDC 100 kHz, 1V Min. 3,000 1,000 70 100 Conditions Ambient Min. -40 -55 Free Air Convection RH, Non-condensing 95 % Typ. +25 Max. +85 +125 Typ. Max. Units VDC M pF kHz Units ºC ºC 120 ±0.02 mV P - P %/ºC Min. Typ. ±3.0 ±1.2 Max. Units % % Conditions 3.3 VDC Input 5 VDC Input 12 VDC Input Min. 3.0 4.5 10.8 Typ. 3.3 5.0 12.0 Max. 3.6 5.5 13.2 1.0 A VDC Units Output Parameter Output Voltage Accuracy Line Regulation Load Regulation Ripple & Noise (20 MHz) Temperature Coefﬁcient Output Short Circuit General Parameter Isolation Voltage Isolation Resistance Isolation Capacitance Switching Frequency Environmental Parameter Operating Temperature Range Storage Temperature Range Cooling Humidity Physical Case Size Case Material Weight 0.60 x 0.30 x 0.24 Inches (15.24 x 7.5 x 6.0 mm) Non-Conductive Black Plastic (UL94-V0) 0.05 Oz (1.5g) Conditions MIL HDBK 217F, 25ºC, Gnd Benign Min. 3.5 Typ. Max. Units MHours Reliability Speciﬁcations MicroPower Direct 292 Page Street Suite D Stoughton, MA 02072 USA T: (781) 344-8226 F: (781) 344-8481 E: sales@micropowerdirect.com W: www.micropowerdirect.com Parameter MTBF Safety Standards Safety Approvals UL 1950, EN 60950, IEC 60950 UL, cUL; File No. E245422 Conditions 3.3 VDC Input 5 VDC Input 12 VDC Input 1.5 mm From Case For 10 Sec All Models Min. -0.7 -0.7 -0.7 Typ. Max. 7.0 7.0 15.0 260.0 450 ºC mW VDC Units Absolute Maximum Ratings Parameter Input Voltage Surge (1 Sec) Lead Temperature Internal Power Dissipation Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings. www.micropowerdirect.com Model Selection Guide Model Number LF101ESI LF102ESI LF103ESI LF104ESI LF111ESI LF112ESI LF113ESI LF114ESI LF151ESI LF152ESI LF153ESI Input Voltage (VDC) Nominal Range 5 4.5 - 5.5 5 4.5 - 5.5 5 4.5 - 5.5 5 4.5 - 5.5 12 10.8 - 13.2 12 10.8 - 13.2 12 10.8 - 13.2 12 10.8 - 13.2 3.3 3.0 - 3.6 3.3 3.0 - 3.6 3.3 3.0 - 3.6 www.micropowerdirect.com Efﬁciency (%, Typ) 70 75 78 80 72 76 79 81 73 70 70 Fuse Rating Slow-Blow (mA) 500 500 500 500 200 200 200 200 750 750 750 Output Load Current (mA) Voltage Current Current Regulation Full-Load No-Load (VDC) (mA, Max) (mA, Min) (%, Max) 285 30 5.0 200.0 20.0 15.0 266 30 9.0 111.0 23.0 9.0 256 30 12.0 84.0 17.0 7.5 250 30 15.0 67.0 13.0 7.0 116 15 5.0 200.0 20.0 15.0 110 15 9.0 111.0 23.0 9.0 105 15 12.0 84.0 17.0 7.5 103 15 15.0 67.0 13.0 7.0 415 55 5.0 200.0 20.0 15.0 433 55 9.0 111.0 23.0 9.0 433 55 12.0 84.0 17.0 7.5 Notes: 1. Output load regulation is speciﬁed for a load change of 20% to 100%. 2. When measuring output ripple, it is recommended that an external 0.33 µF ceramic capacitor be placed from the +Vout pin to the -Vout pin for single output units and from each output to common for dual output units. 3. During operation, care must be taken not to exceed the speciﬁed input range of the unit or to allow the output load to drop below the speciﬁed minimum (10% of full load). Operating the unit under either of these conditions could cause damage to the unit. 4. These converters are speciﬁed for operation without external components. However, in some applications the addition of input/output capacitors will enhance stability and reduce output ripple. Recommended capacitor values are: Derating Curve Vin 3.3 VDC 5 VDC 12 VDC Input Capacitor 4.7 µF 4.7 µF 2.2 µF Vout 5 VDC 9 VDC 12 VDC 15 VDC Output Capacitor 4.7 µF 2.2 µF 1.0 µF 0.47 µF For applications requiring very low output noise levels, a simple LC ﬁlter should be effective. 5. It is recommended that a fuse be used on the input of a power supply for protection. See the Model Selection table above for the correct rating. Pin Connections Pin 1 2 3 5 6 Description Pin Description -Vin 7 NC +Vin 8 +Vout NC 10 NC -Vout 11 NC NC 12 NC NC = No Connection Recommended Solder Proﬁle Mechanical Dimensions Board Layout Notes: • All dimensions are typical in inches (mm) • Tolerance x.xx = ±0.01 (±0.25) • Pin 1 is marked by a “dot” or indentation on the unit MicroPower Direct We Power Your Success - For Less! 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: sales@micropowerdirect.com

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LF103ESI

### 物料型号 - 型号包括：LF101ESI、LF102ESI、LF103ESI、LF104ESI、LF111ESI、LF112ESI、LF113ESI、LF114ESI、LF151ESI、LF152ESI、LF153ESI。

### 器件简介 - 这些是低成本、单输出1W高隔离SMT DC/DC转换器，具有超小型SMT封装、3000VDC隔离、UL认证、低0.24”厚度、超过3.5M小时MTBF、3.3V、5V和12V输入选项。

### 引脚分配 - 引脚1：-Vin（负输入） - 引脚2：+Vin（正输入） - 引脚3：NC（无连接） - 引脚5：-Vout（负输出） - 引脚6：NC（无连接） - 引脚7：NC（无连接） - 引脚8：+Vout（正输出） - 引脚10至12：NC（无连接）

### 参数特性 - 输入电压范围：3.3VDC输入3.0-3.6VDC，5VDC输入4.5-5.5VDC，12VDC输入10.8-13.2VDC。 - 反向极性输入电流：最大1.0A。 - 输出电压调整率：±3.0%。 - 线路调整率：±1.2%。 - 纹波和噪声（20MHz）：60mVP-P至120mVP-P。 - 温度系数：±0.01%/°C至±0.02%/°C。 - 隔离电压：3000VDC。 - 隔离电阻：1000MΩ。 - 隔离电容：70pF。 - 开关频率：100kHz。

### 功能详解 - 提供1W输出功率，具有高隔离和低剖面设计，适用于需要高隔离和小型化的应用。

### 应用信息 - 适用于需要高隔离和小型化电源转换的应用，如工业控制、通信设备等。

### 封装信息 - 封装尺寸为0.60 x 0.30 x 0.24英寸（15.24x7.5x6.0mm），材料为非导电黑色塑料（UL94-V0），重量为0.05盎司（1.5克）。

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