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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS658620ZQZT датащи(PDF) 57 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 57 Page - Texas Instruments |
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57 / 104 page  3.54.4 DVM SUPPLY VOLTAGE TRANSITION 3.55 SM0, SM1, SM2 CONVERTERS TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 During a voltage transition the output voltage will be stepped from the currently programmed voltage to the new target voltage as shown below. The slew rate from the initial voltage to the final voltage for SM0 and SM1 can be selected using the I2C registers SM0SL (ADDRESS = 0x25) and SM1SL (ADDRESS = 0x28) respectively. LDO2 and LDO4 have the slew rate fixed internally to 7mV/ µSec(typ). Figure 3-15. SM0 and SM1 Dynamic Voltage Slew Rate Example The TPS658620 has three highly efficient step down synchronous converters. The integration of the power stage switching FETs reduces the external component count, and only the external output inductor and filter capacitor are required. The integrated power stage supports 100% duty cycle operation. The converters have two possible modes of operation: a 2.25MHz fixed frequency pulse width modulation (PWM) mode at moderate to heavy loads, and a pulse frequency modulation (PFM) mode at light loads. The converters SM0, SM1 and SM2 output voltages are programmable via I2C registers SMnV1 and SMnV2 (SM0 and SM1) and SUPPLYV2 (SM2): NOTE VIN_SM0, VIN_SM1 AND VIN_SM2 PINS SHOULD ALWAYS BE EXTERNALLY CONNECTED TO SYS PIN Submit Documentation Feedback DETAILED DESCRIPTION 57 |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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