RT9703PS RICHTEK [Richtek Technology Corporation], RT9703PS Datasheet
RT9703PS
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RT9703PS Summary of contents
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Smart Universal Power Switch with Flag General Description The RT9703 is a low voltage, high performance single N-MOSFET power switch, designed for power rail on/off ≈ 80mΩ and full protection control with ...
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RT9703 Typical Application Circuit Supply Voltage Chip Enable Functional Pin Description Pin Name Pin Function VIN Power Input Voltage VOUT Output Voltage GND Ground EN Chip Enable (Active High) FLG Open-Drain Fault Flag Output IP Current Limit Programming Input Function ...
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Test Circuits SUPPLY V A VIN FLG RT9703 VOUT Chip Enable EN IP GND 3 V RDS(ON) V VOUT VIN C IN RT9703 V IN FLG EN GND Note: Above ...
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RT9703 Absolute Maximum Ratings Supply Voltage --------------------------------------------------------------------------------------------------------- 6.5V Chip Enable Input Voltage ------------------------------------------------------------------------------------------- Flag Voltage ------------------------------------------------------------------------------------------------------------ 6.5V Power Dissipation 25° SOP-8 -------------------------------------------------------------------------------------------------------------------- 0.95W Package Thermal Resistance SOP-8, θ -------------------------------------------------------------------------------------------------------------- 104°C/W JA Junction Temperature ------------------------------------------------------------------------------------------------- ...
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Parameter Thermal Shutdown Protection Thermal Shutdown Hysteresis Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for stress ratings. Functional operation of the device at these or any other conditions ...
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RT9703 Typical Operating Characteristics 2 On-State Supply Current vs. Input Voltage 10uF Open 100kΩ SET 1.5 2 2.5 3 ...
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Current Limit vs 3.5 3 2.5 2 1 100 150 200 250 R SET 3 On-Resistance vs. Temperature 0.5A 50kΩ OUT SET C = 10uF 33uF ...
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RT9703 CE Threshold Voltage vs. Temperature EN Pin Threshold Voltage vs 100mV 10uF 33uF IN OUT 100kΩ SET 1.6 1.2 0.8 0.4 0 -40 ...
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UVLO Threshold vs. Temperature 3 10uF 33uF IN OUT R = 1kΩ 100kΩ SET 2.5 2 1.5 1 0.5 0 -40 - Temperature 1 Turn-Off Response Time (100us/Div) 4 ...
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RT9703 1 FLAG Response at Chip Enable V (5V/Div (5V/Div) FLG I (0.5A/Div) L Time (10ms/Div) 5 Short- Circuit with Thermal Shutdown 10uF 140kΩ ON, S3 ...
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Applications Information The RT9703 is a high-side, N-Channel, power switch available with active-high enable input. Low R 80mΩ and full protection functions make it optimized to replace complex discrete on/off control circuitry. Input and Output V (input) is the power ...
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RT9703 The normal current limit value, I LIMIT resistor between IP (pin 8) and GND (pin 4). When a heavy load or short circuit is applied to an enabled switch, a large transient current may flow until the current limit ...
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Fault Flag Filtering (Optional) The transient inrush current to downstream capacitance may cause a short-duration error flag, which may cause erroneous over-current reporting. A simple 1ms RC low- pass filter (10kΩ and 0.1μF) in the flag line eliminates short-duration transients. ...
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RT9703 Outline Dimension Symbol Richtek Technology Corporation Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 www.richtek.com ...