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A1215T-1W

A1215T-1W

  • 厂商:

    RSG

  • 封装:

  • 描述:

    A1215T-1W - FIXED INPUT ISOLATED & UNREGULATED 1W DUAL OUTPUT UTRALMINIATURE SMD PACKAGE - RSG Elect...

  • 数据手册
  • 价格&库存
A1215T-1W 数据手册
ELECTRONIC COMPONENTS RSG ■ RSG Electronic Components GmbH Sprendlinger Landstr. 115 D-63069 Offenbach/Germany Tel. +49 69 984047-0 Fax +49 69 984047-77 info@rsg-electronic.de www.rsg-electronic.de ■ ■ ■ ■ ■ Änderungen vorbehalten / subject to change without notice A_T-1W Series FIXED INPUT ISOLATED & UNREGULATED 1W DUAL OUTPUT UTRALMINIATURE SMD PACKAGE FEATURES ● Positive& Negative Voltage Output ● Small Footprint ● SMD Package Styles ● 1KVDC Isolation ● Industry Standard Pinout ● No Heatsink Required ● Temperature Range: -40°C -+85°C ● No External Component Required ● RoHS Compliance APPLICATIONS The A_T-1W Series are specially designed for applications where a group of polar power supplies are isolated from the input power supply in a distributed power supply system on a circuit board. These products apply to: 1) Where the voltage of the input power supply is fixed (voltage variation ≤±10%); 2) Where isolation is necessary between input and output (isolation voltage =1000VDC); 3) Where the regulation of the output voltage and the output ripple noise are not demanding. Such as: purely digital circuits, ordinary low frequency analog circuits, and IGBT power device driving circuits. m ulti-country patent protection RoHS PRODUCT PROGRAM Part Number A0303T-1W** A0305T-1W** A0309T-1W** A0312T-1W** A0503T-1W** A0505T-1W A0509T-1W A0512T-1W A0515T-1W A1203T-1W** A1205T-1W A1209T-1W A1212T-1W A1215T-1W ** No UL Input Voltage (VDC) N ominal R ange 3.3 3.0~3.6 Voltage (VDC) ±3.3 ±5 ±9 ±12 ±3.3 ±5 ±9 ±12 ±15 ±3.3 ±5 ±9 ±12 ±15 Output Current (mA) Max Min ±152 ±15 ±100 ±10 ±56 ±6 ±42 ±5 ±152 ±15 ±100 ±10 ±56 ±6 ±42 ±5 ±33 ±4 ±152 ±15 ±100 ±10 ±56 ±6 ±42 ±5 ±33 ±4 Efficiency (%, Typ) 67 70 74 77 67 71 77 78 78 67 71 73 74 74 Package Style SMD SMD SMD SMD SMD SMD SMD SMD SMD SMD SMD SMD SMD SMD 5 4.5~5.5 12 10.8~13.2 ISOLATION SPECIFICATIONS Item Isolation voltage Isolation resistance Test conditions Tested for 1 minute and 1mA max Test at 500VDC Min Typ 1000 1000 Max Units VDC MΩ COMMON SPECIFICATIONS Short circuit protection Temperature rise at full load C ooling Operating temperature range Storage temperature range Lead temperature Storage humidity range C ase material MTBF 1 second 25°C Max, 15°C Typ Free air convection -40°C~+85°C -55°C ~+125°C 260°C (1.5mm from case for 10 seconds) ≤ 95% Plastic (UL94-V0) >3,500,000 hours MODEL SELECTION OUTPUT SPECIFICATIONS Item Output power Line regulation Test conditions Min 0.1 Typ For Vin change of 1%(3.3V input) For Vin change of 1%(Others) 10% to 100% load (3.3V output) 10% to 100% load (5V output) Load regulation 10% to 100% load (9V output) 10% to 100% load (12V output) 10% to 100% load (15V output) Output voltage accuracy See tolerance envelope graph Temperature drift 100% full load Output ripple 20MHz Bandwidth N oise 20MHz Bandwidth Switching frequency Full load, nominal input Max 1 1.5 1.2 20 15 15 15 15 0.03 75 150 Units W % A 0515T-1W Ra ted Po wer P acka ge Styl e Outpu t Vol tag e In pu t Vol tag e P ro du ct Se ri es 15 10 6.5 6.0 6.0 % %/°C mVp-p kHz 50 75 100 Note: 1. All specifications measured at TA=25°C, humidity220 ℃) 200 T e m p e r a t u r e ( ℃) 150 100 In some circuits which are sensitive to noise and ripple, a filtering capacitor may be added to the DC/DC output end and input end to reduce the noise and ripple. However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every channel of output, provided the safe and reliable operation is ensured, the greatest capacitance of its filter capacitor sees the EXTERNAL CAPACITOR TABLE. To get an extremely low ripple, an “LC” filtering network may be connected to the input and output ends of the DC/DC converter, which may produce a more significant filtering effect. It should also be noted that the inductance and the frequency of the “LC” filtering network should be staggered with the DC/DC frequency to avoid mutual interference (Figure 1). L L 50 Vin 0 +Vo C Time (sec. ) DC DC C L C 0V -Vo GND PIN CONNECTIONS 10 9 8 7 6 (Figure 1) Output Voltage Regulation and Over-voltage Protection Circuit The simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (Figure2). Vin REG OUTLINE DIMENSIONS& RECONMENDED FOOTPRINT DETAILS (0.27) (0 . 2 6 ) 12345 6.76 +Vout 6. 25 ( 0.25 ) 6 .5 0 ( 0. 17) 4 . 25 Side View 1.85MAX (0.07) DC DC A GND 0.3 0V -V out REG 0 .2 5 (0.01) (0.28) 7.15 (0.01) Vin GND +Vout 0V DC DC REG -V out 15. 24 (0.6) 10.16 (0.4) 11.2 MAX (Figure2) A Top View 0.6±0.05 (0.06) (0.02) 5 .00 0.50 Overload Protection 。 2.54 ±0.1 (0.1±0.004) (0.02± 0.002) N ote: All Pins on a 2.54mm(0.1) pitch; All Pin Widths are 0.60 mm(0.02); Tolerances:±0.15mm(0.006); Unit: mm(inch)。 Under normal operating conditions, the output circuit of these products has no protection against over-current and short-circuits. The simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. ( 0. 44 ) APPLICATION NOTE Requirement on output load ( 0.30 ) 7. 50 EXTERNAL CAPACITOR TABLE Vin 3.3VDC 5VDC 12VDC External capacitor 4.7uF 4.7uF 2.2uF Vout 3.3VDC 5VDC 9VDC 12VDC 15VDC External capacitor 4.7uF 4.7uF 2.2uF 1uF 0.47uF To ensure this module can operate efficiently and reliably, a minimum load is specified for this kind of DC/DC converter in addition to a maximum load (namely full load). During operation, make sure the specified range of input voltage is not exceeded, the minimum output load is not less than 10% of the full load, and that this product should never be operated under no load! If the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load. It’s not recommend to connect any external capacitor in the application field with less than 0.5 watt output。 For any design change and upgrade, we will not make any prior notification A/2-2007 Page 2 of 2 ELECTRONIC COMPONENTS RSG ■ RSG Electronic Components GmbH Sprendlinger Landstr. 115 D-63069 Offenbach/Germany Tel. +49 69 984047-0 Fax +49 69 984047-77 info@rsg-electronic.de www.rsg-electronic.de ■ ■ ■ ■ ■ Änderungen vorbehalten / subject to change without notice
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