AP22653AFDZ-7 Datasheet Summary

General Description

The AP22653AFDZ-7 is a single-channel, precision-adjustable, current-limited power switch optimized for applications requiring precision current limiting or providing up to 2.1A of continuous load current during heavy loads/short circuits. It offers a programmable current-limit threshold between 125mA and 2665mA via an external resistor and features fast short-circuit response time for improved overall system robustness.

Features

• Up to 2.1A Maximum Load Current
• Accurate Adjustable Current Limit, 125mA to 2665mA
• ±7% Accurate Adjustable Current Limit, 1.735A with RLIM = 15kΩ
• Output Latch-Off During Overcurrent
• Fast Short-Circuit Response Time: 5µs (typ)
• Reverse Current Blocking During Shutdown and Reverse Current Limiting During Enable
• Operating Range: 3.0V to 5.5V
• Built-In Soft-Start with 0.5ms Typical Rise Time
• Overcurrent and Thermal Protection
• Fault Report (FAULT) with Blanking Time
• ESD Protection: 2kV HBM, 500V CDM
• 15kV ESD Protection per IEC61000-4-2 (With External Capacitance)
• UL Recognized, File Number E322375, Vol. 1
• IEC60950-1 CB Scheme Certified
• Active-High Enable
• Ambient Temperature Range: -40°C to +85°C
• SOT26 (Type A1) and W-DFN2020-6 (Type A1) Packages: Available in “Green” Molding Compound (No Br, Sb)
• Totally Lead-Free & Fully RoHS Compliant
• Halogen and Antimony Free. “Green” Device

Applications

• Set-top boxes
• LCD TVs & monitors
• Residential gateways
• Laptops, desktops, servers, e-readers, printers, docking stations, HUBs

Pin Assignments

(Top View)

W-DFN2020-6 (Type A1)

TableCopy

Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)

• ESD Protection: HBM 2kV, CDM 500V, System Level Surges per IEC61000-4-2: 15kV
• Voltage on IN, OUT, FAULT, ILIM, EN: -0.3V to +6.0V
• Continuous FAULT Sink Current: 25mA
• ILIM Source Current: 1mA
• Maximum Junction Temperature: -40°C to +150°C
• Storage Temperature Range: -65°C to +150°C

Dissipation Rating Table

High-K (Note 7) W-DFN2020-6 (Type A1)

• Thermal Resistance θJA: 95°C/W
• Thermal Resistance θJC: 25°C/W
• Power Rating @ TA ≤ +25°C: 1050mW
• Derating Factor Above TA = +25°C: 10.05mW/°C
• Power Rating @ TA = +70°C: 570mW
• Power Rating @ TA = +85°C: 420mW

Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)

• Input Voltage (VIN): 3V to 5.5V
• Continuous Output Current (IOUT): 0A to 2.1A
• Enable Voltage (VEN): 0V to 5.5V
• High-Level Input Voltage on EN: 1.5V to VIN
• Low-Level Input Voltage on EN: 0V to 0.4V
• Current-Limit Threshold Resistor Range (RLIM): 10kΩ to 210kΩ
• Continuous FAULT Sink Current (IO): 0A to 10mA
• Input De-Coupling Capacitance, IN to GND: 0.1µF
• Operating Ambient Temperature (TA): -40°C to +85°C
• Operating Junction Temperature (TJ): -40°C to +125°C

Electrical Characteristics (@TA = +25°C, VIN = 3.0V to 5.5V, VEN = 0V or VEN = VIN, RFAULT = 10kΩ, unless otherwise specified.)

Supply

• Input UVLO (VUVLO): Rising 2.65V, Falling 65mV Hysteresis
• Input Shutdown Current (ISHDN): 0.1µA to 1µA @ VIN = 5.5V, Disabled, OUT = Open
• Input Quiescent Current (IQ): 120µA to 160µA @ VIN = 5.5V, Enabled, OUT = Open, RLIM = 20kΩ
• Reverse Leakage Current (IREV): 0.01µA to 1µA @ Disabled, VIN = 0V, VOUT = 5.5V

Power Switch

• Switch On-Resistance (RDS(ON)): 65mΩ to 135mΩ @ TJ = +25°C, VIN = 5.0V
• Output Turn-On Rise Time (tR): 0.3ms to 1.5ms @ VIN = 5.5V, CL = 1µF, RLOAD = 100Ω
• Output Turn-Off Fall Time (tF): 0.1ms to 0.5ms @ VIN = 5.5V, CL = 1µF, RLOAD = 100Ω

Current Limit

• Current-Limit Threshold (ILIMIT): Varies with RLIM, e.g., 2478mA to 2852mA @ RLIM = 10kΩ, TA = +25°C
• Short-Circuit Current Limit (ISHORT): Varies with RLIM, e.g., 700mA @ RLIM = 10kΩ, TA = +25°C

Enable Pin

• EN Input Leakage Current (ILEAK-EN): -2µA to 2µA @ VIN = 5V, VEN = 0V and 5.5V
• Turn-On Time (tON): Up to 4ms @ CL = 1µF, RL = 100Ω
• Turn-Off Time (tOFF): Up to 1ms @ CL = 1µF, RL = 100Ω

Output Discharge

• Discharge Resistance (RDIS): 600Ω @ VIN = 5V, Disabled, IOUT = 1mA

Reverse Voltage Protection

• Reverse-Voltage Comparator Trip Point (VRVP): 65mV
• Reverse Current Limit (IROCP): 0.32A @ VOUT - VIN = 150mV
• Time from Reverse-Voltage Condition to MOSFET Turn Off (tTRIG): 2ms to 20ms @ VIN = 5V

Fault Flag

• FAULT Output Low Voltage (VOL): Up to 180mV @ IFAULT = 1mA
• FAULT Off Current (IFOH): Up to 1µA @ VFAULT = 5.5V
• FAULT Blanking Time (tBLANK): 2ms to 20ms

Thermal Shutdown

• Thermal Shutdown Threshold (TSHDN): +145°C
• Thermal Shutdown Hysteresis (THYS): +40°C (Only for AP22652 and AP22653)

Ordering Information

• Package: W-DFN2020-6 (Type A1)
• Enable: Active High
• Latch-Off: Yes
• Part Number: AP22653AFDZ-7
• Packing: 3000 per 7” Tape & Reel

Marking Information

W-DFN2020-6 (Type A1)

• Identification Code: FR
• Year: 0~9
• Week: A~Z (1