TPS22919DCKT

Part: TPS22919, Texas Instruments

Type: Self-Protected Load Switch

Description: A small, single channel load switch with a 1.6 V to 5.5 V input voltage range, supporting a maximum continuous current of 1.5 A, and featuring controlled slew rate and self-protection.

Operating Conditions:

• Supply voltage: 1.6 V to 5.5 V
• Operating temperature: -40 to 105 °C
• ON Pin High Voltage Range: 1 V to 5.5 V
• ON Pin Low Voltage Range: 0 V to 0.35 V

Absolute Maximum Ratings:

• Max supply voltage: 6 V
• Max continuous current: 1.5 A
• Max junction/storage temperature: Internally Limited (Junction), 150 °C (Storage)

Key Specs:

• ON-Resistance (RON) at VIN = 5 V: 89 mΩ (typ, 25°C)
• ON-Resistance (RON) at VIN = 3.6 V: 90 mΩ (typ, 25°C)
• ON-Resistance (RON) at VIN = 1.8 V: 105 mΩ (typ, 25°C)
• Output Short Circuit Current Limit (ISC): 3 A (typ, -40°C to 125°C)
• VIN Quiescent Current (IQ, VIN): 8 μA (typ, 25°C, VOUT = Open)
• VIN Shutdown Current (ISD, VIN): 2 nA (typ, 25°C, VOUT = GND)
• Turn ON Time (tON) at VIN = 5.0 V: 1950 μs (typ)
• QOD Pin Internal Discharge Resistance (RPD, QOD): 24 Ω (typ, -40°C to 125°C)
• Thermal Shutdown (TSD): 180 °C (typ, Rising)

Features:

• Input operating voltage range (VIN): 1.6 V to 5.5 V
• Maximum continuous current (IMAX): 1.5 A
• Output short protection (ISC): 3 A (typical)
• Low power consumption: ON state (IQ): 8 μA (typical), OFF state (ISD): 2 nA (typical)
• Smart ON pin pull down (RPD): 530 kΩ (typical)
• Slow Turn ON timing to limit inrush current (tON)
• Adjustable output discharge and fall time

Applications:

• Personal electronics
• Set top box
• HDTV
• Multi function printer

Package:

• SC-70 (6) (2.1 mm × 2.0 mm)

• 1 · Input operating voltage range (VIN): 1.6 V to 5.5 V
• Maximum continuous current (IMAX): 1.5 A
• On-Resistance (RON):
• -5-V VIN: 89 m Ω (typical)
• -3.6-V VIN: 90 m Ω (typical)
• -1.8-V VIN: 105 m Ω (typical)
• Output short protection (ISC): 3 A (typical)
• Low power consumption:
• -ON state (IQ): 8 μA (typical)
• -OFF state (ISD): 2 nA (typical)
• Smart ON pin pull down (RPD):
• -ON ≥ VIH (ION): 100 nA (maximum)
• -ON ≤ VIL (RPD): 530 k Ω (typical)
• Slow Turn ON timing to limit inrush current (tON):
• -5.0 V Turn ON time (tON): 1.95 ms at 3.2 mV/ μ s
• -3.6 V Turn ON time (tON): 1.75 ms at 2.7 mV/ μ s
• -1.8 V Turn ON time (tON): 1.5 ms at 1.8 mV/ μ s
• Adjustable output discharge and fall time:
• -Internal QOD resistance = 24 Ω (typical)

1

• Personal electronics
• Set top box
• HDTV
• Multi function printer

Typical values at VIN = 3.6V unless otherwise specified

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

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

This section highlights some of the design considerations when implementing this device in various applications.