SIP32510DT-T1-GE3 Integrated Circuits (ICs)

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1. Describe

SIP32510DT-T1-GE3 is a slew rate controlled load switch designed t For 1.2 V to 5.5 V operation. The switching elements are n-channel devices that provide low RON is 44 m, typically over a wide input range. SiP32510 features low switch on-resistance starting at 1.5 V Input power. It has a controlled soft slew rate 1.6 ms typical, limiting design inrush current heavy capacitive loads and minimize the resulting voltage sag on the power rail. with typical turn-on delay 0.4 ms, the total on time is typically 2 ms. SiP32510 with low voltage control logic interface (On/Off interface) can interface with low voltage control Signals do not require additional level shifting circuitry. The SiP32510 has very low shutdown current and Provides reverse blocking to prevent high current flow into the power supply. The SiP32510 integrates a switch-off output discharge circuit. The SiP32510 is available in a TSOT23-6 package.

2. Feature

    1. 1.2 V to 5.5 V operating voltage range

    2.  Flat low RON down to 1.5 V

    3. 1.8 V to 5 V typ. 44 mΩ

    4. Slew rate control on: 1.6 ms at 3.3 V

    5. Low quiescent current < 1 μA when disabled

  10. 5μA typical at VIN = 1.2 V

  11. Reverse current blocking when the switch is off, with Guaranteed less than 2 μA leakage

3. Application

    1. PDA/Smartphone

    2. Ultrabooks and laptops

    3. Tablet devices

    4. Portable media player

    5. Digital camera

    6. GPS navigation equipment

    7. Data storage devices

    8. Optical, industrial, medical and healthcare equipment

    9. peripheral equipment

  10. office automation

  11. Internet

4. Pin configuration

5. Pin Description

6. Input capacitance

The SiP32510 requires no input capacitors. To limit the input supply voltage drop caused by transient inrush currents, input bypass capacitors are recommended. Placing a 2.2 μF ceramic capacitor close to VIN and GND is sufficient. Higher value capacitors help further reduce the voltage drop. Ceramic capacitors are recommended because they can withstand input current surges from low impedance sources such as batteries in portable equipment.

7. Output capacitor

Although these devices operate without an output capacitor, a 0.1 μF or larger capacitor between VOUT and GND is recommended for load transient conditions. It also helps prevent parasitic inductance from forcing VOUT below GND during shutdown. The output capacitance has minimal effect on the device turn-on slew rate time. There are no requirements for capacitor type and its ESR.

8. Enable

The EN pin is compatible with TTL and CMOS logic voltage levels. The ENABLE pin voltage can be higher than IN once it is within the absolute maximum ratings.

9. Protection against reverse voltage conditions

The SiP32510 includes a reverse blocking circuit to protect current from the output to the input in case where the output voltage is higher than the input voltage when the main switch is closed. Reverse blocking is suitable for input voltages down to 0 V.