TPS22810

Part: TPS22810 (TPS22810DBVR) — Texas Instruments

Type: Load Switch with Thermal Protection

Description: 2.7–18 V input, single-channel N-channel MOSFET load switch with 79 mΩ typical on-resistance at VIN = 12 V, configurable rise time, adjustable quick output discharge, and thermal shutdown.

Operating Conditions:

• Supply voltage (VIN): 2.7–18 V
• Operating temperature: -40 to 105 °C (free-air)
• Maximum continuous switch current at TA = 65 °C: 2 A (DBV SOT-23), 3 A (DRV WSON)
• EN/UVLO voltage: 0–18 V
• Minimum input capacitor: 1 μF

Absolute Maximum Ratings:

• Input voltage VIN: -0.3 to 20 V
• Output voltage VOUT: -0.3 to min(VIN + 0.3, 20) V
• EN/UVLO voltage: -0.3 to 20 V
• Maximum junction temperature: 150 °C
• Storage temperature: -65 to 150 °C

Key Specs:

• On-resistance at 25 °C: 79 mΩ typ, 86 mΩ max (VIN = 5–18 V, IOUT = -200 mA); 115 mΩ max at 105 °C
• On-resistance at VIN = 2.7 V, 25 °C: 86 mΩ typ, 95 mΩ max
• Quiescent current: 62 μA typ at VIN = 12 V and 18 V; 80 μA max (-40 to +85 °C), 85 μA max (-40 to +105 °C)
• Shutdown current: 0.5 μA typ; 2.3 μA max (-40 to +85 °C), 3.8 μA max (-40 to +105 °C)
• VIN UVLO rising threshold: 2.54 V typ (2–2.62 V), hysteresis 5% typ
• EN threshold: 1.23 V typ rising, 1.13 V typ falling
• Output pull-down resistance (QOD tied to VOUT, EN/UVLO = 0 V): 265 Ω typ at 12 V, 350 Ω max
• Thermal shutdown: 160 °C threshold, 30 °C hysteresis
• Timing (VIN = 12 V, RL = 10 Ω, CL = 0.1 μF, CT = 2200 pF): tON 380 μs, tR 460 μs, tOFF 3.3 μs, tF 2 μs
• Thermal resistance RθJA: 182 °C/W (SOT-23), 74.6 °C/W (WSON)

Features:

• Integrated single-channel load switch
• Thermal shutdown
• Undervoltage lockout (UVLO) with adjustable EN/UVLO threshold
• Adjustable quick output discharge (QOD)
• Configurable rise time via CT pin
• Active-high enable
• ESD: ±2 kV HBM, ±1 kV CDM

Applications:

• HD TV
• Industrial systems
• Set-top box
• Surveillance systems

Package:

• SOT-23 (DBV), 6 pins, 2.90 mm × 2.80 mm
• WSON (DRV), 6 pins, 2.00 mm × 2.00 mm

• 1 · Integrated Single Channel Load Switch
• ·
• Ambient Operating Temperature: -40°C to +105°C
• -SOT23-6 (DBV): 2-A Maximum Continuous Current 1
• -WSON (DRV): 3-A Maximum Continuous Current 1
• Input Voltage Range: 2.7 V to 18 V
• Absolute Maximum Input Voltage: 20 V
• On-Resistance (RON)
• -RON = 79 m Ω (typical) at V IN = 12 V
• Quiescent Current
• -62 μA (typical) at VIN = 12 V
• Shutdown Current
• -500 nA (typical) at VIN = 12 V
• Thermal Shutdown
• Undervoltage Lock-Out (UVLO)
• Adjustable Quick Output Discharge (QOD)
• Configurable Rise Time With CT Pin
• SOT23-6 Package
• -2.9-mm × 2.8-mm, 0.95-mm Pitch 1.45-mm Height (DBV)
• WSON Package
• -2-mm × 2-mm, 0.65-mm Pitch 0.75-mm Height (DRV)
• ESD Performance Tested per JESD 22
• -±2-kV HBM and ±1-kV CDM
• (1) Thermal performance must be considered

• HD TV
• Industrial Systems
• Set Top Box
• Surveillance systems

1

• VIN 1

• VOUT

CT

• EN/UVLO 3

• GND 2

• QOD 5

6

4

VOUT

CT

QOD

VIN

GND

EN/UVLO

1

3

2

6

4

5

DBV Package 6-Pin SOT-23 Top View

DRV Package 6-Pin WSON Top View

Unless otherwise noted, the specification in the following table applies over the following 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).