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TPS61061DRBRG4 Datasheet(PDF) 2 Page - Texas Instruments |
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TPS61061DRBRG4 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 22 page www.ti.com GND EN ILED FB Vin OUT SW PGND 1 2 3 4 5 6 7 8 Exposed Thermal DiePad A B C 1 2 3 Pin A1 Index TPS61060 TPS61061 TPS61062 SLVS538 – NOVEMBER 2004 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. ORDERING INFORMATION OVERVOLTAGE PACKAGE PACKAGE MARKING TA PROTECTION NanoFree QFN NanoFree(1) QFN(2) (OVP) 14 V (min) TPS61060YZF TPS61060DRB AKX AQP –40 to 85 °C 18 V (min) TPS61061YZF TPS61061DRB AKY AQQ 22.2 V (min) TPS61062YZF TPS61062DRB AKZ AQR (1) The YZF package is available in tape and reel. Add R suffix (TPS61060YZFR) to order quantities of 3000 parts per reel or add T suffix (TPS61060YZFT) to order 250 parts per reel. (2) The DRB package is available in tape and reel. Add R suffix (TPS61060DRBR) to order quantities of 3000 parts per reel. 8-Pin NanoFree Package 8-Pin 3x3-mm QFN Package Top View Top View TERMINAL FUNCTIONS TERMINAL NO. I/O DESCRIPTION NAME CSP QFN VIN B1 8 I Input supply pin of the device Enable pin. This pin needs to be pulled high to enable the device. To allow brightness control of EN A2 2 I the LEDs a PWM signal up to 1 kHz can be applied. This pin has an internal pulldown resistor. GND A1 1 Analog ground PGND C3 5 Power ground This is the feedback pin of the device. The feedback pin regulates the LED current through the sense resistor by regulating the voltage across Rs. The feedback voltage is set by the ILED pin. FB B3 4 I ILED=GND sets the feedback voltage to 500 mV. ILED=high sets the feedback voltage to 250 mV. Refer to digital brightness control section for more information. OUT C1 7 O Output of the device SW C2 6 I Switch pin of the device Digital brightness control input. When this pin is grounded the digital brightness control is disabled. When this pin is connected to high then the feedback voltage is reduced to typically ILED A3 3 I 250 mV and the digital brightness control is enabled. Refer to digital brightness control section for more information. The PowerPAD™ (exposed thermal diepad) is only available on the QFN package. The PowerPAD™ – – PowerPAD™ needs to be connected and soldered to analog ground (GND). 2 |
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