TPS22918DBVT

Part: TPS22918DBVR — Texas Instruments

Type: Single-Channel Load Switch (N-channel MOSFET)

Description: 1–5.5 V input, 2 A continuous, 52 mΩ (typ, VIN = 5 V) single-channel load switch with configurable rise time and adjustable quick output discharge in a SOT-23-6 package.

Operating Conditions:

• Supply voltage (VIN): 1–5.5 V (recommended operating table lists 0–5.5 V)
• Operating temperature: -40 to +105 °C (ambient)
• ON pin: VIH ≥ 1 V, VIL ≤ 0.5 V (VIN = 1–5.5 V)
• Minimum input capacitor: 1 μF

Absolute Maximum Ratings:

• Input voltage VIN: -0.3 to 6 V
• Output voltage VOUT: -0.3 to 6 V
• ON voltage: -0.3 to 6 V
• Max continuous switch current: 2 A (TA = 70 °C)
• Max pulsed switch current: 2.5 A (pulse < 300 μs, 2% duty cycle)
• Max junction temperature: 125 °C
• Storage temperature: -65 to 150 °C

Key Specs:

• On-resistance RON (IOUT = -200 mA, 25 °C): 52 mΩ typ at 5 V, 53 mΩ typ at 3.3 V, 64 mΩ typ at 1.8 V, 71 mΩ typ at 1.2 V
• RON max over -40 to +105 °C: 79 mΩ at VIN = 5 V, 80 mΩ at 3.3 V
• Quiescent current (VON = 5 V, IOUT = 0 A): 8.3 μA typ, 15 μA max at VIN = 3.3 V (-40 to +105 °C)
• Shutdown current (VON = 0 V): 0.5 μA typ at VIN = 3.3 V; 3.5 μA max
• Internal output pull-down RPD (VON = 0 V, 25 °C): 25 Ω typ at 5 V and 3.3 V; 45 Ω typ at 1.8 V
• ON pin hysteresis: 24 mV typ (25 °C, VIN = 1–5.5 V)
• Switching (VIN = 5 V, CT = 1000 pF, CL = 0.1 μF, RL = 10 Ω, 25 °C): tON 1950 μs, tR 2540 μs, tD 690 μs typ
• Thermal resistance RθJA: 183.2 °C/W (DBV SOT-23-6)

Features:

• Integrated single-channel load switch
• 2 A maximum continuous switch current
• Low control input threshold; works with 1 V or higher GPIO
• Adjustable quick output discharge (QOD)
• Configurable rise time via CT pin
• ESD: ±2 kV HBM, ±1 kV CDM (JESD 22)
• Leaded package allows visual inspection of solder joints

Applications:

• Industrial systems
• Set top box
• Blood glucose meters
• Electronic point of sale

Package:

• SOT-23-6 (DBV), 2.90 mm × 1.60 mm body (nom), 0.95 mm pitch

• 1 · Integrated Single Channel Load Switch
• Ambient Operating Temperature: -40°C to +105°C
• Input Voltage Range: 1 V to 5.5 V
• On-Resistance (RON)
• -RON = 52 m Ω (typical) at V IN = 5 V
• -RON = 53 m Ω (typical) at V IN = 3.3 V
• 2-A Maximum Continuous Switch Current
• Low Quiescent Current
• -8.3 μA (typical) at VIN = 3.3 V
• Low-Control Input-Threshold Enables Use of 1 V or Higher GPIO
• Adjustable Quick-Output Discharge (QOD)
• Configurable Rise Time With CT Pin
• Small SOT23-6 Package (DBV)
• -2.90-mm × 2.80-mm, 0.95-mm Pitch, 1.45 mm Height (with leads)
• ESD Performance Tested per JESD 22
• -±2-kV HBM and ±1-kV CDM

• Industrial Systems
• Set Top Box
• Blood Glucose Meters
• Electronic Point of Sale

Unless otherwise noted, the specification in the following table applies over the full ambient operating temperature -40°C ≤ TA ≤ +105°C. Typical values are for TA = 25°C.

Over operating free-air temperature range (unless otherwise noted) (1) (2)

Over operating free-air temperature range (unless otherwise noted)

This section highlights some of the design considerations when implementing this device in various applications. A PSPICE model for this device is also available in the product page of this device on www.ti.com (See the Device Support section for more information).