LM9076SX-3.3/NOPB

LM9076 www.ti.com SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 LM9076 150mA Ultra-Low Quiescent Current LDO Regulator with Delayed Reset Output Check for Samples: LM9076 FEATURES DESCRIPTION • • The LM9076 is a ±3%, 150 mA logic controlled voltage regulator. The regulator features an active low delayed reset output flag which can be used to reset a microprocessor system at turn-ON and in the event that the regulator output voltage falls below a minimum value. An external capacitor programs a delay time interval before the reset output pin can return high. 1 2 • • • • • • • Available with 5.0V or 3.3V Output Voltage Ultra Low Ground Pin Current, 25 μA Typical for 100 μA Load VOUT Initial Accuracy of ±1.5% VOUT Accurate to ±3% Over Load and Temperature Conditions Low Dropout Voltage, 200 mV Typical with 150 mA Load Low Off State Ground Pin current for LM9076BMA Delayed RESET Output Pin for Low VOUT Detection +70V/-50V Voltage Transients Operational VIN up to +40V Designed for automotive and industrial applications, the LM9076 contains a variety of protection features such as thermal shutdown, input transient protection and a wide operating temperature range. The LM9076 uses an PNP pass transistor which allows low drop-out voltage operation. Typical Applications Unregulated Voltage Input VIN Regulated Voltage Output VOUT LM9076S-x.x 100 k: Delayed Reset Output RESET CDELAY CIN GND 0.1 PF COUT 1.0 nF 10 PF 10 PF Figure 1. LM9076S-x.x in 5 lead SFM package Unregulated Voltage Input VIN Regulated Voltage Output VOUT LM9076BMA-x.x Shutdown Control Input ON 100 k: Delayed Reset Output RESET SHUTDOWN OFF CDELAY CIN 0.1 PF 10 PF GND COUT 1.0 nF 10 PF Figure 2. LM9076BMA-x.x in 8 lead SOIC package 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2003–2013, Texas Instruments Incorporated LM9076 SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 www.ti.com Connection Diagram Figure 3. Top View Part Numbers LM9076S-3.3 and LM9076S-5.0 See SFM Package Number KTT0005B Figure 4. Top View Part Numbers LM9076BMA-3.3 and LM9076BMA-5.0 See SOIC Package Number D These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) VIN(DC) -15V to +55V VIN(+Transient) t< 10ms, Duty Cycle VOR to RESET pin HIGH SHUTDOWN CONTROL LOGIC — LM9076BMA-5.0 Only VIL(SD) SHUTDOWN Pin Low Threshold Voltage VSHUTDOWN pin falling from 5.0V until VOUT >4.5V (VOUT = On) 1 1.5 – V VIH(SD) SHUTDOWN Pin High Threshold Voltage VSHUTDOWN pin rising from 0V until VOUT < 0.5V (VOUT = Off) – 1.5 2 V VSHUTDOWN = 40V – 35 – μA IIH(SD) SHUTDOWN Pin High Bias Current VSHUTDOWN = 5V – 15 35 μA VSHUTDOWN = 2V – 6 10 μA VSHUTDOWN = 0V – 0 – μA IIL(SD) SHUTDOWN Pin Low Bias Current Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 5 LM9076 SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics 6 Output Capacitor ESR Output Capacitor ESR Figure 5. Figure 6. Output Voltage vs Low Input Voltage Output Voltage vs Low Input Voltage Figure 7. Figure 8. Ground Pin Current vs Low Input Voltage Ground Pin Current vs Low Input Voltage Figure 9. Figure 10. Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 LM9076 www.ti.com SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 Typical Performance Characteristics (continued) Ground Pin Current vs Load Current Ground Pin Current vs Load Current Figure 11. Figure 12. Output Voltage vs Input Voltage Output Voltage vs Input Voltage Figure 13. Figure 14. Output Voltage vs Junction Temperature Output Voltage vs Junction Temperature Figure 15. Figure 16. Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 7 LM9076 SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics (continued) 8 Dropout Voltage vs Load Current Load Transient Response Figure 17. Figure 18. Load Transient Response Line Transient Response Figure 19. Figure 20. Line Transient Response Delayed Reset Time vs Vin Normalized to VIN = 14V Figure 21. Figure 22. Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 LM9076 www.ti.com SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 Typical Performance Characteristics (continued) Ripple Rejection Figure 23. Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 9 LM9076 SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 www.ti.com APPLICATION INFORMATION REGULATOR BASICS The LM9076 regulator is suitable for Automotive and Industrial applications where continuous connection to a battery supply is required (refer to Typical Applications). The pass element of the regulator is a PNP device which requires an output bypass capacitor for stability. The minimum bypass capacitance for the output is 10 μF (refer to ESR limitations). A 22 μF, or larger, output bypass capacitor is recommended for typical applications INPUT CAPACITOR The LM9076 requires a low source impedance to maintain regulator stability because critical portions of the internal bias circuitry are connected to directly to VIN. In general, a 10 μF electrolytic capacitor, located within two inches of the LM9076, is adequate for a majority of applications. Additionally, and at a minimum, a 0.1 μF ceramic capacitor should be located between the LM9076 VIN and Ground pin, and as close as is physically possible to the LM9076 itself . OUTPUT CAPACITOR An output bypass capacitor is required for stability. This capacitance must be placed between the LM9076 VOUT pin and Ground pin, as close as is physically possible, using traces that are not part of the load current path. The output capacitor must meet the requirements for minimum capacitance and also maintain the appropriate ESR value across the entire operating ambient temperature range. There is no limit to the maximum output capacitance as long as ESR is maintained. The minimum bypass capacitance for the output is 10 μF (refer to ESR limitations). A 22 μF, or larger, output bypass capacitor is recommended for typical applications. Solid tantalums capacitors are recommended as they generally maintain capacitance and ESR ratings over a wide temperature range. Ceramic capacitor types XR7 and XR5 may be used if a series resistor is added to simulate the minimum ESR requirement. See Figure 24. Aluminum electrolytic capacitors are not recommended as they are subject to wide changes in capacitance and ESR across temperature. Figure 24. Using Low ESR Capacitors DELAY CAPACITOR The capacitor on the Delay pin must be a low leakage type since the charge current is minimal (420 nA typical) and the pin must fully charge to VOUT. Ceramic, Mylar, and polystyrene capacitor types are generally recommended, although changes in capacitance values across temperature changes will have some effect on the delay timing. Any leakage of the IDELAY current, be it through the delay capacitor or any other path, will extend the delay time, possibly to the point that the Reset pin output does not go high. SHUTDOWN PIN - LM9076BMA ONLY The basic On/Off control of the regulator is accomplished with the SHUTDOWN pin. By pulling the SHUTDOWN pin high the regulator output is switched Off. When the regulator is switched Off the load on the battery will be primarily due to the SHUTDOWN pin current. 10 Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 LM9076 www.ti.com SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 When the SHUTDOWN pin is low, or left open, the regulator is switched On. When an unregulated supply, such as V BATTERY , is used to pull the SHUTDOWN pin high a series resistor in the range of 10KΩ to 50KΩ is recommended to provide reverse voltage transient protection of the SHUTDOWN pin. Adding a small capacitor (0.001uF typical) from the SHUTDOWN pin to Ground will add noise immunity to prevent accidental turn on due to noise on the supply line. RESET FLAG The RESET pin is an open collector output which requires an external pull-up resistor to develop the reset signal. The external pull-up resistor should be in the range of 10 kΩ to 200 kΩ. At VIN values of less than typically 2V the RESET pin voltage will be high. For VIN values between typically 2V and approximately VOUT + VBE the RESET pin voltage will be low. For VIN values greater than approximately VOUT + VBE the RESET pin voltage will be dependent on the status of the VOUT pin voltage and the Delayed Reset circuitry. The value of VBE is typically 600 mV at 25°C and will decrease approximately 2 mV for every 1°C increase in the junction temperature. During normal operation the RESET pin voltage will be high . Any load condition that causes the VOUT pin voltage to drop below typically 89% of normal will activate the Delayed Reset circuit and the RESET pin will go low for the duration of the delay time. Any line condition that causes VIN pin voltage to drop below typically VOUT + VBE will cause the RESET pin to go low without activating the Delayed Reset circuitry. Excessive thermal dissipation will raise the junction temperature and could activate the Thermal Shutdown circuitry which, in turn, will cause the RESET pin to go low. For the LM9076BMA devices, pulling the SHUTDOWN pin high will turn off the output which, in turn, will cause the RESET pin to go low once the VOUT voltage has decayed to a value that is less than typically 89% of normal. See Figure 25. RESET DELAY TIME When the regulator output is switched On, or after recovery from brief VOUT fault condition, the RESET flag can be can be programmed to remain low for an additional delay time. This will give time for any system reference voltages, clock signals, etc., to stabilize before the micro-controller resumes normal operation. This delay time is controlled by the capacitor value on the CDELAY pin. During normal operation the CDELAY capacitor is charged to near VOUT . When a VOUT fault causes the RESET pin to go low, the CDELAY capacitor is quickly discharged to ground. When the VOUT fault is removed, and VOUT returns to the normal operating value, the CDELAY capacitor begins charging at a typical constant 0.420 uA rate. When the voltage on the CDELAY capacitor reaches the same potential as the VOUT pin the RESET pin will be allowed to return high. The typical RESET delay time can be calculated with the following formula: tDELAY = VOUT X (CDELAY / IDELAY ) (1) For the LM9076–3.3 with a CDELAY value of 0.001 uF and a IDELAY value of 0.420 uA the typical RESET delay time is: tDELAY =3.3V × (0.001 uF / 0.420 uA) = 7.8 ms (2) For the LM9076–5.0 with a CDELAY value of 0.001 uF and a IDELAY value of 0.420 uA the typical RESET delay time is: tDELAY = 5.0V X (0.001uF / 0.420uA) = 11.9 ms (3) Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 11 LM9076 SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 www.ti.com THERMAL PROTECTION Device operational range is limited by the maximum junction temperature (TJ). The junction temperature is influenced by the ambient temperature (TA), package selection, input voltage (VIN), and the output load current. When operating with maximum load currents the input voltage and/or ambient temperature will be limited. When operating with maximum input voltage the load current and/or the ambient temperature will be limited. Even though the LM9076 is equipped with circuitry to protect itself from excessive thermal dissipation, it is not recommended that the LM9076 be operated at, or near, the maximum recommended die junction temperature (TJ) as this may impair long term device reliability. The thermal protection circuity monitors the temperature at the die level. When the die temperature exceeds typically 160°C the voltage regulator output will be switched off. Figure 25. Typical Reset Pin Operational Waveforms 12 Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 LM9076 www.ti.com SNVS260L – NOVEMEBER 2003 – REVISED MARCH 2013 REVISION HISTORY Changes from Revision K (March 2013) to Revision L • Page Changed layout of National Data Sheet to TI format .......................................................................................................... 12 Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM9076 13 PACKAGE OPTION ADDENDUM www.ti.com 30-Sep-2021 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) (4/5) (6) LM9076BMA-3.3/NOPB ACTIVE SOIC D 8 95 RoHS & Green SN Level-1-260C-UNLIM -40 to 125 9076B MA3.3 LM9076BMA-5.0 NRND SOIC D 8 95 Non-RoHS & Green Call TI Level-1-235C-UNLIM -40 to 125 9076B MA5.0 LM9076BMA-5.0/NOPB ACTIVE SOIC D 8 95 RoHS & Green SN Level-1-260C-UNLIM -40 to 125 9076B MA5.0 LM9076BMAX-3.3/NOPB ACTIVE SOIC D 8 2500 RoHS & Green SN Level-1-260C-UNLIM -40 to 125 9076B MA3.3 LM9076BMAX-5.0/NOPB ACTIVE SOIC D 8 2500 RoHS & Green SN Level-1-260C-UNLIM -40 to 125 9076B MA5.0 LM9076S-3.3/NOPB ACTIVE DDPAK/ TO-263 KTT 5 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM9076S -3.3 LM9076S-5.0 NRND DDPAK/ TO-263 KTT 5 45 Non-RoHS & Green Call TI Level-3-235C-168 HR -40 to 125 LM9076S -5.0 LM9076S-5.0/NOPB ACTIVE DDPAK/ TO-263 KTT 5 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM9076S -5.0 LM9076SX-3.3/NOPB ACTIVE DDPAK/ TO-263 KTT 5 500 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM9076S -3.3 LM9076SX-5.0/NOPB ACTIVE DDPAK/ TO-263 KTT 5 500 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM9076S -5.0 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of