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LMZ36002 Folha de dados(PDF) 4 Page - Texas Instruments |
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LMZ36002 Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 33 page LMZ36002 SNVSA92A – SEPTEMBER 2015 – REVISED SEPTEMBER 2015 www.ti.com Pin Functions (continued) PIN TYPE (1) DESCRIPTION NAME NO. This pin can be used to adjust the switching frequency to 1 MHz without the need for an external RTSEL 10 I resistor. Connect this pin to AGND to adjust the frequency to 1 MHz. Otherwise, leave this pin floating. Remote sense connection. This pin must be connected to VOUT at the load or at the device pins. SENSE+ 22 I Connect the pin to VOUT at the load for improved regulation. Slow-start and tracking pin. Connecting an external capacitor to this pin adjusts the output voltage SS/TR 25 I slow-start ramp above its 4.1 ms default setting. A voltage applied to this pin allows for tracking and sequencing control. VADJ 24 I Connecting a resistor between this pin and AGND adjusts the output voltage. Selectable internal bias supply. For output voltages ≥ 4.5 V, connect this pin to VOUT. For output VBSEL 7 I voltages < 4.5 V, connect this pin to AGND. VERSA- Connects to internal compensation network. This pin can be left floating or connected to the VADJ 23 I COMP pin to select the proper compensation depending on the output voltage. 13, 14, 15, Output voltage. These pins are connected to the internal output inductor. Connect these pins to the VOUT 16, 17, 18, O output load and connect external bypass capacitors between these pins and PGND close to the 43 device. 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT PVIN, INH/UVLO –0.3 65 V VOUT, SENSE+, VBSEL –0.3 30(2) V Input voltage VADJ, VERSA-COMP, RT, RTSEL, SS/TR –0.3 3.6 V PWRGD, PWRGD_PU –0.3 15 V CLK –0.3 5.5 V Output voltage PH –0.3 65 V Operating junction temperature(3) –40 125 °C Mechanical shock Mil-STD-883D, Method 2002.3, 1 msec, 1/2 sine, mounted 1500 G Mechanical vibration Mil-STD-883D, Method 2007.2, 20-2000Hz 20 G Storage temperature, –65 150 °C Tstg (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) The maximum voltage that can be applied to these pins is 30 V or PVIN, whichever is less. (3) See temperature derating curves in the Typical Characteristics section for thermal information. 6.2 ESD Ratings VALUE UNIT Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±1000 V(ESD) Electrostatic discharge V Charged-device model (CDM), per JEDEC specification JESD22-C101(2) ±1000 (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. (2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 6.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT PVIN Input voltage 4.5 60 V VOUT Output voltage 2.5 7.5 V 4 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: LMZ36002 |
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Descrição semelhante - LMZ36002_15 |
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