rt9706 Richtek Technology Corporation, rt9706 Datasheet
rt9706
Related parts for rt9706
rt9706 Summary of contents
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... High-Side Power Switch with Flag General Description The RT9706 is a cost-effective, low voltage, single N-Channel MOSFET high-side power switch, optimized for self-powered and bus-powered Universal Serial Bus (USB) applications. The RT9706 equipped with a charge pump circuitry to drive the internal MOSFET switch ...
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... Chip Enable (Active Low) FLG Open-Drain Fault Flag Output Function Block Diagram Bias EN Oscillator www.richtek.com 2 Pull-Up Resistor (10K to 100k) VIN FLG 1uF RT9706 VOUT OFF EN ON GND 10uF Beades . (see Application Information Section for further details) BUS UVLO Gate Charge Control ...
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... VIN FLG C IN RT9706 VOUT OFF EN ON GND Supply VIN RT9706 IN OFF EN ON GND VIN FLG C IN RT9706 V IN VOUT EN GND FLG V I OUT OUT OUT RT9706 V FLG FLG I LEAK AGE VOUT ...
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... RT9706 Absolute Maximum Ratings Supply Voltage --------------------------------------------------------------------------------------------------------- 6.5V Chip Enable Input Voltage ------------------------------------------------------------------------------------------- Flag Voltage ------------------------------------------------------------------------------------------------------------ 6.5V Power Dissipation 25° SOT-23-5 ---------------------------------------------------------------------------------------------------------------- 0.4W Package Thermal Resistance (Note 4) SOT-23-5, θ ---------------------------------------------------------------------------------------------------------- 250°C/W JA Junction Temperature ------------------------------------------------------------------------------------------------- 150°C Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C Storage Temperature Range ---------------------------------------------------------------------------------------- ESD Susceptibility (Note 2) ...
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... Note 5. The FLAG delay time is input voltage dependent, see“ Typical Operating Characteristics” graph for further details. DS9706-02 March 2007 Symbol Test Conditions T SD Δ 25° low effective single layer thermal conductivity test board of A RT9706 Min Typ Max Units -- 130 -- °C °C ...
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... RT9706 Typical Operating Characteristics Supply Current vs. Temperature -40 - Temperature (°C) Switch On Resistance vs. Temperature 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 -40 - Temperature (°C) Current Limit vs. Temperature 2.5 2 1.5 1 0.5 0 -40 - Temperature (°C) www.richtek.com 100 120 100 120 100 120 Supply Current vs. Input Voltage ...
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... EN Pin Threshold Voltage vs. Input Voltage 2 1.6 1.2 0.8 0 2.5 3 3.5 4 Input Voltage (V) FLAG Delay Time vs. Input Voltage 2.5 3 3.5 4 Input Voltage (V) Switch Off Supply Current vs. Temperature 0.1 0.06 0.02 -0.02 -0.06 -0.1 -40 - Temperature (°C) RT9706 4.5 5 5.5 4 100 120 www.richtek.com 7 ...
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... RT9706 Turn-On Rising Time vs. Temperature 600 500 400 300 200 100 0 -40 - Temperature (°C) Turn-On Response V EN (5V/Div) V OUT (5V/Div) Time (100μs/Div) UVLO at Rising C = 33uF 1uF N I OUT V EN (1V/Div) V OUT (1V/Div) Time (1ms/Div) www.richtek.com 100 ...
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... OUT (1A/Div) I OUT (500mA/Div) Ω, Ω 100 L(H) L(L) Flag Response with Turn-On Short Current Time (10ms/Div) Inrush Current Response C = 1000uF OUT 1uF OUT Time (1ms/Div) Ramped Load Response EN Ω Short L Time (50ms/Div) RT9706 Ω 220uF OUT www.richtek.com 9 ...
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... MOSFET are turned off, reducing the supply current to 0.1μA typical. The maximum guaranteed voltage for a logic low at the EN pin is 0.8V. A minimum guaranteed voltage the EN pin will turn the RT9706 off. Floating the input may cause unpredictable operation. EN should not be allowed to go negative with respect to GND. ...
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... Power Dissipation and Thermal Consideration The device “S” junction temperature depends on several factors such as the load, PCB layout, ambient temperature and package type. The output pin of RT9706 can deliver a current 500mA, respectively over the full operating junction temperature range. However, the maximum output current must be derated at higher ambient temperature to ensure the junction temperature does not exceed 100° ...
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... USB-required fault reporting. The faster trip time of the RT9706 power distribution allow designers to design hubs that can operate through faults. The RT9706 have low on-resistance and internal fault- reporting circuitry that help the designer to meet voltage regulation and fault notification requirements ...
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... Locate the output capacitor and ferrite beads as close to the USB connectors as possible to lower impedance (mainly inductance) between the port and the capacitor and improve transient load performance. Locate the RT9706 as close as possible to the output port to limit switching noise. DS9706-02 March 2007 ) of 500mA ...
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... RT9706 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 Dimensions In Millimeters Min Max 0.889 1.295 0.000 0.152 1.397 1.803 0.356 0.559 2.591 2 ...