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TPS62730 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS62730 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 28 page  ON/BYP STAT VOUT TPS62732, TPS62733 TPS62730 SLVSAC3C – MAY 2011 – REVISED DECEMBER 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VIN = 3.0V, VOUT = 2.1V, ON/BYP = VIN, TA = –40°C to 85°C typical values are at TA = 25°C (unless otherwise noted), CIN = 2.2 μF, L = 2.2μH, COUT = 2.2μF, see parameter measurement information PARAMETER TEST CONDITIONS MIN TYP MAX UNIT STAT Status Output (Open Drain) VTSTAT Threshold level for STAT OUTPUT in % from VOUT ON/BYP = high and regulator is ready, VIN 95 falling % ON/BYP = high and regulator is ready, VIN 98 rising(2) VOL Output Low Voltage Current into STAT pin I = 500 μA, VIN = 2.3V 0.4 V VOH Output High Voltage Open drain output, external pull up resistor VIN ILKG Leakage into STAT pin ON/BYP = GND, VIN = VOUT = 3V 0 50 nA REGULATOR tONmin Minimum ON time VIN = 3.0V, VOUT = 2.1V, IOUT = 0 mA 180 ns tOFFmin Minimum OFF time VIN = 2.3V 50 ns tStart Regulator start up time from transition ON/BYP = high VIN = 3.0V, VOUT = 3.0V 50 μs to STAT = low OUTPUT VREF Internal Reference Voltage 0.70 V VIN = 3.0V TA = 25°C –1.5 0 1.5 % VOUT Feedback Voltage Comparator Threshold Accuracy TA = –40°C to 85°C –2.5 0 2.5 VVOUT DC output voltage load regulation IOUT = 1mA to 50mA VIN = 3.0V, VOUT = 2.1 -0.01 %/mA V DC output voltage line regulation IOUT = 20 mA, 2.4V ≤ VIN ≤ 3.9V 0.01 %/V ILK_SW Leakage current into SW pin VIN = VOUT = VSW = 3.0 V, ON/Byp= GND 0.0 100 nA (3) (2) The STAT output comparator is enabled once the rising input voltage exceeds the minimum input voltage VIN min of 1.9V. In case of the 1.9V output voltage option, the STAT output is active once the rising input voltage VIN exceeds 1.9V. (3) The internal resistor divider network is disconnected from VOUT pin. PIN FUNCTIONS PIN I/O DESCRIPTION NAME NO VIN 3 PWR VIN power supply pin. Connect this pin close to the VIN terminal of the input capacitor. A ceramic capacitor of 2.2µF is required. GND 4 PWR GND supply pin. Connect this pin close to the GND terminal of the input and output capacitor. ON/BYP 5 IN This is the mode selection pin of the device. Pulling this pin to low forces the device into ultra low power bypass mode. The output of the DC/DC converter is connected to VIN via an internal bypass switch. Pulling this pin to high enables the DC/DC converter operation. This pin must be terminated and is controlled by the system. In case of CC2540, connect this to the power down signal which is output on one of the P1.x ports (see CC2540 user guide). SW 2 OUT This is the switch pin and is connected to the internal MOSFET switches. Connect the inductor to this terminal. VOUT 6 IN Feedback Pin for the internal feedback divider network and regulation loop. The internal bypass switch is connected between this pin and VIN. Connect this pin directly to the output capacitor with short trace. 4 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Product Folder Links: TPS62732 TPS62733 TPS62730 |
Similar Part No. - TPS62730_12 |
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Similar Description - TPS62730_12 |
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