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TPS61150DRCRG4 Datasheet(PDF) 2 Page - Texas Instruments |
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TPS61150DRCRG4 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 21 page www.ti.com DEVICE INFORMATION 1 2 3 4 5 10 9 8 7 6 IFB1 Iset1 SEL1 SEL2 Vin IFB2 Iset2 GND Iout SW 10 pin 3*3 mm QFN PACKAGE (TOP VIEW) Exposed Thermal Pad TPS61150, TPS61151 SLVS625A – FEBRUARY 2006 – REVISED MARCH 2007 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 OVP PACKAGE TA PACKAGE(1) (Typ.) MARKING –40 to 85 °C TPS61150DRCR 28 V BCQ –40 to 85 °C TPS61151DRCR 22 V BRH –40 to 85 °C TPS61150DRCT 28 V BCQ –40 to 85 °C TPS61151DRCT 22 V BRH (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI Web site at www.ti.com. TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. The input pin to the IC. It provides the current to the boost power stage, and also powers the Vin 5 I IC circuit. When Vin is below the undervoltage lockout threshold, the IC turns off and disables outputs; thereby disconnecting the WLEDs from the input. GND 8 O The ground of the IC. Connect the input and output capacitors very close to this pin. SW 6 I This is the switching node of the IC. The output of the constant current supply. It is directly connected to the boost converter Iout 7 O output. The return path for the Iout regulation. Current regulator is connected to this pin, and it can IFB1, IFB2 10 I be disabled to open the current path. ISET1, 2 Output current programming pin. The resistor connected to the pin programs its I ISET2 9 corresponding output current. SEL1, 3 I Mode selection pins. See Table 1 for details. SEL2 4 The thermal pad should be soldered to the analog ground. If possible, use thermal via to Thermal Pal connect to ground plane for ideal power dissipation. Table 1. TPS61150/1 Mode Selection SEL1 SEL2 IFB1 IFB2 H L Enable Disable L H Disable Enable H H Enable Enable L L IC Shutdown 2 Submit Documentation Feedback |
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