tb7107fn TOSHIBA Semiconductor CORPORATION, tb7107fn Datasheet
tb7107fn
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tb7107fn Summary of contents
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... TOSHIBA BiCD Integrated Circuit Silicon Monolithic Buck DC-DC Converter IC The TB7107FN is a single-chip buck DC-DC converter IC utilizing a chopper circuit. The TB7107FN adopts bootstrap system and contains high-speed and low-on-resistance N-channel MOSFETs for the high side main switch to achieve high efficiency. Features • ...
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... Pin for connecting an error amplifier phase compensation resistor and capacitor. Enable pin When the switching operation of the output section. When V circuitry is disabled, putting the TB7107FN in Standby mode. This pin has an internal pull-up current of 15 µA(typ.). Soft-start pin The soft-start time can be adjusted with an external capacitor The external capacitor is charged from a 5 μ ...
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... Note 1: The switch pin voltage (V Thermal Resistance Characteristics Characteristics Thermal resistance, junction to ambient Note 2: Glass epoxy board Note 3: The TB7107FN may go into thermal shutdown at the rated maximum junction temperature. Thermal design is required to ensure that the rated maximum operating junction temperature, T Symbol Rating V -0 ...
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... UVR EN IN Δ 4. LIM OUT 4 TB7107FN Min Typ. Max ⎯ 4.5 20 ⎯ 1.8 2.5 FB ⎯ 0 ⎯ ⎯ 60 ⎯ ⎯ 10 ⎯ ⎯ 1.8 ⎯ ⎯ 0.5 ⎯ ⎯ ...
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... V 10 μH 10 μF 1. μH 10 μF 1 μH 10 μF 2 μH 10 μF 3 μH 10 μF 5.0V Component values need to be adjusted, depending on the TB7107FN’s I/O conditions and the board layout. C BOOT V BOOT TB7107FN V FB GND SBD 3 25°C) ...
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... Generally, ΔI should be set to approximately 30% of the maximum output current. Since the maximum L output current of the TB7107FN is 2.0 A, ΔI rating greater than the peak output current of 2 the inductor current rating is exceeded, the inductor becomes saturated, leading to an unstable DC-DC converter operation. ...
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... Rectifier Selection A Schottky barrier diode should be externally connected to the TB7107FN as a rectifier between the L GND pins recommended that either CMS02 or CRS15, be used as the Schottky barrier diode large voltage overshoot is on the L ...
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... The input voltage, output voltage, output current and temperature conditions should be considered when selecting capacitors, inductors and resistors. These components should be evaluated on an actual system prototype for best selection. ・ External components such as capacitors, inductors and resistors should be placed as close to the TB7107FN as possible. ・ C ...
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... EN input voltage 25° -50 (V) 2 1.5 1 0.5 0 -50 75 100 125 (° ( TB7107FN I – - 100 125 Junction temperature T (° – T IH(EN) IL(EN IH(EN) V IL(EN) -25 0 ...
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... 25° 100 125 2.5 0.9 0.85 0.8 0.75 0.7 -50 - Junction temperature T 460 420 380 340 300 -50 - TB7107FN V – V OUT IN 3 Input voltage V ( – OUT = 1 100 125 (° – T OSC ...
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... Junction temperature T (° -10 -50 -25 25 Junction temperature OUT = 3 10μ 25° 100 125 11 TB7107FN I – 100 125 (°C) j Overcurrent Protection Output current I (A) OUT 2010-03-23 ...
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... Output current I 100 0.5 Output current I 100 0.5 Output current I 12 TB7107FN – I OUT OUT 1 1.5 2 (A) OUT η – I OUT OUT = μH, C OUT = 10 μF × 25°C LS :CMS02 1 1.5 2 (A) OUT η – I OUT OUT = 2. μ ...
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... μH C OUT = 10 μF ×2 EN input voltage :L→H 4 ms/div Load Response Characteristics OUT = 1 25° μ OUT = 10 μF ×2 Output voltage: V OUT (100 mV/div) Output current: I OUT (1A→2A→1A) 200 μs/div 13 TB7107FN Output voltage: V OUT (1V/div) : 2010-03-23 ...
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... Package Dimensions Weight: 0.017 g (typ.) 14 TB7107FN 2010-03-23 ...
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... Please contact your TOSHIBA sales representative for details as to environmental matters such as the RoHS compatibility of Product. Please use Product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the EU RoHS Directive. TOSHIBA assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations. 15 TB7107FN 2010-03-23 ...