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STR9012 bảng dữ liệu(PDF) 4 Page - Sanken electric |
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STR9012 bảng dữ liệu(HTML) 4 Page - Sanken electric |
4 / 5 page 69 External Variable Output Voltage Circuit 1. Variable output voltage with a single external resistor The output voltage of the STR9000 series may be decreased by insert- ing a resistor between terminals No.1 (output terminal) and No.2 (out- put fine adjustment terminals). Alternatively, the output voltage may be increased by inserting a resistor between terminals No.2 and No.5 (ground terminal). <Standard External Circuit> 2. Fine adjustment of output voltage The output voltage may be finely adjusted by using terminals No.1, No.2 and No. 5 as shown in the following connections. <Standard External Circuit> Note: The fine adjustment range of output voltage for the STR9000 se- ries is ±0.5V max for STR9012 and +1.0V/-2.0V max for STR9015. Adjustment exceeding these values may cause start-up errors. w Typical Characteristics of Fine Output Voltage Adjustment q Typical Characteristics of Variable Output Voltage 1 4 35 2 STR9000 VIN GND VO GND REX for Vo down REX for Vo up ++ Select either one of the external resistor. 1 4 35 2 STR9000 VIN GND VO R1 R2 VR GND ++ 20K 50K 100K 500K 1M 5M 50M 10M 5.3 5.2 5.1 5.0 4.9 4.8 4.7 STR9005 External Resistor REX ( Ω) (Ta=25 °C) Variable Output Voltage Range 20K 50K 100K 500K 1M 5M 50M 10M 14 13 12 11 10 9 External Resistor REX ( Ω) (Ta=25 °C) STR9012 Variable Output Voltage Range 20K 50K 100K 500K 1M 5M 50M 10M 17 16 15 14 13 12 External Resistor REX ( Ω) : Insertion of resistor between terminals No. 2 and No. 5 : Insertion of resistor between terminals No. 2 and No. 1 (Ta=25 °C) STR9015 Variable Output Voltage Range STR9005 0 100 200 300 400 500 5.4 5.2 5.0 4.8 4.6 VR (k Ω) R1=150 k Ω R2=150 k Ω (Ta=25 °C) 0 100 200 300 400 500 14 13 12 11 10 VR (k Ω) (Ta=25 °C) R1=100 k Ω R2= 30 k Ω STR9012 0 100 200 300 400 500 20 18 16 14 12 10 VR (k Ω) (Ta=25 °C) R1=100 k Ω R2= 20 k Ω STR9015 qSTR9000 Series |
Số phần tương tự - STR9012 |
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Mô tả tương tự - STR9012 |
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