AP22966 010 5V DUAL CHANNEL PROGRAMMABLE LOAD SWITCH Description Pin Assignments NEW PRODUCT AP22966 is an integrated dual N-channel load switch which features an adjustable slew rate that can be set using an external capacitor independently for each channel. The N-Channel MOSFETs have a typical RON of 18mΩ, enabling current handling capability of up to 6A. Both channels can independently be controlled with low voltage logic signals. Top View AP22966 is designed to operate from 0.8V to 5.5V. The low quiescent supply current makes it ideal for use in battery powered distribution systems where power consumption is a concern. AP22966 is available in a standard Green V-DFN3020-14 package with exposed PAD for improved thermal performance and is RoHS compliant. Bottom View VIN1 1 14 VOUT1 14 1 VIN1 VIN1 2 13 VOUT1 13 2 VIN1 EN1 3 12 SS1 12 3 EN1 VBIAS 4 11 GND 11 4 VBIAS EN2 5 10 SS2 10 5 EN2 VIN2 6 9 VOUT2 9 6 VIN2 VIN2 7 8 VOUT2 8 7 VIN2 Features V-DFN3020-14 Integrated Dual Channel Load Switch 0.8V to 5.5V Input Voltage Range Low Typical RON of 18mΩ (VBIAS = 5V) 6A Maximum Continuous Current per Channel Very Low Quiescent Current 60μA (Both Channels) 45μA (Single Channel) Per Channel Adjustable Slew Rate Internal Quick Output Discharge (QOD) Low Voltage Logic Enable 1.2/1.8/2.5/3.3V Logic Small Form Factor Package V-DFN3020-14 – footprint of just 6mm2 Thermally Efficient Low Profile Package Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) Notes: Applications Ultrabooks Notebooks Netbooks SetTop Boxes SSD (Solid State Drives) Consumer Electronics Tablet PC Telecom Systems 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. Typical Applications Circuit VIN 1 VIN1 CIN1 VBIAS VOUT1 VBIAS SS1 CL1 RL1 CL2 RL2 CSS1 ON EN1 AP22966 VIN 2 OFF VOUT2 VIN2 SS2 CIN2 CSS2 ON EN2 GND OFF AP22966 Document number: DS36217 Rev. 2 - 2 1 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 NEW PRODUCT Pin Descriptions Pin Name Pin Number VIN1 1, 2 Function EN1 3 Channel 1 input. Recommended voltage range for this pin for optimal RON performance from 0.8V to VBIAS. Place an optional decoupling capacitor between this pin and GND for reduce VIN dip during turn on. Active High Channel 1 enable input VBIAS 4 VBIAS Voltage. Recommended voltage range from 2.5V to 5.5V. EN2 5 Active High Channel 2 enable input VIN2 6, 7 Channel 2 input. Recommended voltage range for this pin for optimal RON performance from 0.8V to VBIAS. Place an optional decoupling capacitor between this pin and GND for reduce VIN dip during turn on. VOUT2 8, 9 Channel 2 output This pin connects to the Source of the 2nd N-channel MOSFET. SS2 10 GND 11/PAD SS1 12 VOUT1 13, 14 Channel 2 slew rate control An external capacitor connected to this pin will set the ramp-up time for Channel 2 output. Ground Connect Pin 11 and PAD together to system ground. Channel 1 slew rate control An external capacitor connected to this pin will set the ramp-up time for Channel 1 output. Channel 1 output This pin connects to the Source of the 1st N-channel MOSFET Functional Block Diagram VINx VOUTx SSx VBIAS Charge Pump RDIS ENx GND where x is the channel number (1 or 2) AP22966 Document number: DS36217 Rev. 2 - 2 2 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Absolute Maximum Ratings (@ TA = +25°C, unless otherwise specified.) (Note 4) Symbol Ratings Units Human Body ESD Protection Machine Model ESD Protection Charged Device Model ESD Protection Input Voltage at VIN1, VIN2 Pin 4000 300 1000 -0.3 to +6 V V V V VBIAS Bias Supply Voltage -0.3 to +6 V VOUT Output Voltage at VOUT1, VOUT2 Pin -0.3 to +6 V VEN Enable Voltage at EN1, EN2 Pin -0.3 to +6 V Load Current per channel 6 A Maximum pulsed switch current per channel, pulse <300μs, 2% duty cycle 8 A +125 °C -65 to +150 °C (Note 5) V-DFN3020-14 2.7 W (Note 5) V-DFN3020-14 Thermal Resistance, Junction to Ambient (Note 5) V-DFN3020-14 Thermal Resistance, Junction to Leads (Note 6) V-DFN3020-14 46.5 8 °C/W 300 °C/W ESD HBM ESD MM ESD CDM NEW PRODUCT VIN IL IPLS TJ(max) Maximum Junction Temperature TST Storage Temperature PD Power Dissipation RθJA RθJL Notes: Parameter 4. Stresses greater than the 'Absolute Maximum Ratings' specified above may cause permanent damage to the device. These are stress ratings only; functional operation of the device at these or any other conditions exceeding those indicated in this specification is not implied. Device reliability may be affected by exposure to absolute maximum rating conditions for extended periods of time. 5. Device mounted on 2"x2" FR-4 substrate PCB, 2oz copper, with minimum recommended pad layout 6. Thermal resistance from junction to solder-point Recommended Operating Conditions (For each channel) Symbol VIN VBIAS Min Max Units Input Voltage Range at VIN1, VIN2 Pin Parameter 0.8 VBIAS V Bias Supply Voltage Range 2.5 5.5 V 0 5.5 V VEN Enable Voltage Range at EN1, EN2 Pin VOUT Output Voltage at VOUT1, VOUT2 Pin TA Operating Ambient Temperature CIN Input Capacitor – VIN V -40 +85 °C 1 – µF EN Input Logic High Voltage 1.2 5.5 V EN Input Logic Low Voltage 0 0.5 V AP22966 Document number: DS36217 Rev. 2 - 2 3 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Electrical Characteristics (For each channel @ TA = -40°C to +85°C, VIN = 0.8V to 5.5V, VBIAS = 5V, CIN = 1µF, CL = 100nF, typical values are at TA = +25°C, unless otherwise specified.) Symbol Min Typ Max Unit IBIAS_Q VBIAS Quiescent Current (both channels) VEN = VIN = VBIAS = 5V, IOUT = 0A – 60 110 µA IBIAS_Q VBIAS Quiescent Current (single channels) VEN1 = VIN = VBIAS = 5V, VEN2 = 0V, IOUT = 0A – 45 – µA VBIAS Off Supply Current VEN = 0V, VOUT = 0V NEW PRODUCT IBIAS_OFF IIN_SD RON RON ILEAK_EN RDIS Parameters Input Shutdown Current (per channel) Load Switch On-Resistance Load Switch On-Resistance Conditions VEN = 0V VOUT = 0V VEN = VBIAS, IOUT = 200mA TA = +25°C VEN = VBIAS, IOUT = 200mA TA = -40°C to +85°C – – 2 µA VIN = 5V – 0.5 17 µA VIN = 3.3V – 0.1 6 µA VIN = 1.8V – 0.07 3 µA VIN = 0.8V – 0.04 2 µA VIN = 5V – 17 24 mΩ VIN = 3.3V – 17 24 mΩ VIN = 1.8V – 17 24 mΩ VIN = 1.5V – 17 24 mΩ VIN = 1.2V – 17 24 mΩ VIN = 0.8V – 17 24 mΩ VIN = 5V – – 26 mΩ VIN = 3.3V – – 26 mΩ VIN = 1.8V – – 26 mΩ VIN = 1.5V – – 26 mΩ VIN = 1.2V – – 26 mΩ VIN = 0.8V – – 26 mΩ EN Input Leakage VEN = 5.5V – – 1 µA Discharge FET On-Resistance VEN = 0V, IDIS = 10mA, TA = +25°C – 220 300 Ω Electrical Characteristics (For each channel @ TA = -40°C to +85°C, VIN = 0.8V to 5.5V, VBIAS = 2.5V, CIN = 1µF, CL = 100nF, typical values are at TA = +25°C, unless otherwise specified.) Symbol IBIAS_Q Parameters VBIAS Quiescent Current (both channels) Conditions VEN = VIN = VBIAS = 2.5V, IOUT = 0A IBIAS_Q VBIAS Quiescent Current (single channels) VBIAS Off Supply Current IBIAS_OFF IIN_SD RON RON ILEAK_EN RDIS Input Shutdown Current Load Switch On-Resistance Load Switch On-Resistance Min – Typ 28 Max 46 Unit µA VEN1 = VIN = VBIAS = 2.5V, VEN2 = 0V, IOUT = 0A – 20 – µA VEN = 0V, VOUT = 0V VEN = 0V VOUT = 0V VEN = VBIAS, IOUT = 200mA TA = +25°C VEN = VBIAS, IOUT = 200mA TA = -40°C to +85°C – – 2 µA VIN = 2.5V – 0.13 4 µA VIN = 1.8V – 0.07 3 µA VIN = 1.2V – 0.05 2 µA VIN = 0.8V – 0.04 2 µA VIN = 2.5V – 19 25 mΩ VIN = 1.8V – 18 25 mΩ VIN = 1.5V – 18 25 mΩ VIN = 1.2V – 18 25 mΩ VIN = 0.8V – 18 25 mΩ VIN = 2.5V – – 27 mΩ VIN = 1.8V – – 27 mΩ VIN = 1.5V – – 27 mΩ VIN = 1.2V – – 27 mΩ VIN = 0.8V – – 27 mΩ EN Input Leakage VEN = 5.5V – – 1 µA Discharge FET On-Resistance VEN = 0V, IDIS = 10mA, TA = +25°C – 220 300 Ω AP22966 Document number: DS36217 Rev. 2 - 2 4 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Test Circuit and tON/tOFF Waveforms 50% 50% VEN tON tOFF 90% NEW PRODUCT 50% 50% VOUT VOUT 90% 10% 10% tD tRISE tFALL Switching Characteristics Symbol Parameters Conditions Min Typ Max Unit VIN = VEN = VBIAS = 5V, TA = +25°C tRISE Output Rise-time RL = 10, CSS = 1000pF, CL = 0.1µF – 1720 – µs tON Output Turn-ON Delay Time RL = 10, CSS = 1000pF, CL = 0.1µF – 1270 – µs tFALL Output Fall-time RL = 10, CSS = 1000pF, CL = 0.1µF – 2.3 – µs tOFF Output Turn-OFF Delay Time RL = 10, CSS = 1000pF, CL = 0.1µF – 9.6 – µs Output Start Delay RL = 10, CSS = 1000pF, CL = 0.1µF – 160 – µs tD VIN = 0.8V, VEN = VBIAS = 5V, TA = +25°C tRISE Output Rise-time RL = 10, CSS = 1000pF, CL = 0.1µF – 330 – µs tON Output Turn-ON Delay Time RL = 10, CSS = 1000pF, CL = 0.1µF – 428 – µs tFALL Output Fall-time RL = 10, CSS = 1000pF, CL = 0.1µF – 11 – µs tOFF Output Turn-OFF Delay Time RL = 10, CSS = 1000pF, CL = 0.1µF – 146 – µs Output Start Delay RL = 10, CSS = 1000pF, CL = 0.1µF – 253 – µs tD VIN = 2.5V, VEN = 5V, VBIAS = 2.5V, TA = +25°C tRISE Output Rise-time RL = 10, CSS = 1000pF, CL = 0.1µF – 1488 – µs tON Output Turn-ON Delay Time RL = 10, CSS = 1000pF, CL = 0.1µF – 1381 – µs tFALL Output Fall-time RL = 10, CSS = 1000pF, CL = 0.1µF – 3 – µs tOFF Output Turn-OFF Delay Time RL = 10, CSS = 1000pF, CL = 0.1µF – 11 – µs Output Start Delay RL = 10, CSS = 1000pF, CL = 0.1µF – 359 – µs tD VIN = 0.8V, VEN = 5V, VBIAS = 2.5V, TA = +25°C tRISE Output Rise-time RL = 10, CSS = 1000pF, CL = 0.1µF – 561 – µs tON Output Turn-ON Delay Time RL = 10, CSS = 1000pF, CL = 0.1µF – 748 – µs tFALL Output Fall-time RL = 10, CSS = 1000pF, CL = 0.1µF – 11 – µs tOFF Output Turn-OFF Delay Time RL = 10, CSS = 1000pF, CL = 0.1µF – 123 – µs Output Start Delay RL = 10, CSS = 1000pF, CL = 0.1µF – 415 – µs tD AP22966 Document number: DS36217 Rev. 2 - 2 5 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Performance Characteristics (@TA = +25°C, VBIAS = 5V, unless otherwise specified.) VBIAS vs. QUIESCENT CURRENT (SINGLE CHANNEL) 70 65 60 55 TA(°C) -40 25 70 IBIAS_Q (µA) IBIAS_Q (µA) 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 85 TA(°C) 50 45 -40 40 25 35 30 70 25 85 20 VIN1=VIN2=VBIAS, VEN1=VEN2=5V, VOUT=Open SW1=On, SW2=On VIN1=VIN2=VBIAS, VEN1=VEN2=5V, VOUT=Open SW1=On, SW2=Off 15 10 2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 2.5 2.75 5.25 5.5 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 5.25 5.5 VBIAS (V) VBIAS (V) VIN vs. OFF-STATE VIN CURRENT (SINGLE CHANNEL) VBIAS vs. SHUTDOWN CURRENT (BOTH CHANNELS) 1.0 3.0 VBIAS=5.5V, VEN=0V, VOUT=0V 2.5 0.8 TA(°C) 2.0 0.6 -40 25 70 0.4 IIN_SD (µA) IBIAS_OFF (µA) TA(°C) -40 1.5 25 70 1.0 85 85 0.2 0.5 VIN1=VIN2=VBIAS, VEN1=VEN2=0V, VOUT=0V 0.0 0.0 2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 5.25 5.5 0.8 1.2 1.6 2 2.4 2.8 VBIAS (V) 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 1.05 1.2 1.5 1.8 2.5 VBIAS=2.5V, IOUT=-200mA 10 35 60 RON (mΩ) 0.8 -15 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 85 Document number: DS36217 Rev. 2 - 2 4 4.4 4.8 5.2 5.6 VIN(V) 0.8 1.0 1.2 1.5 1.8 2.5 3.3 3.6 4.2 5.0 VBIAS=5.5V, IOUT=-200mA 5.5 -40 -15 10 35 60 85 Temperature (°C) Temperature (°C) AP22966 3.6 TEMPERATURE vs. RON (VBIAS=5.5V, SINGLE CHANNEL) VIN(V) -40 3.2 VIN (V) TEMPERATURE vs. RON (VBIAS=2.5V, SINGLE CHANNEL) RON (mΩ) NEW PRODUCT VBIAS vs. QUIESCENT CURRENT (BOTH CHANNELS) 6 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Performance Characteristics (cont.) (@TA = +25°C, VBIAS = 5V, unless otherwise specified.) VIN vs. RON (VBIAS=5.5V, SINGLE CHANNEL) TA(° C) -40 25 RON (mΩ) RON (mΩ) 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 70 85 VBIAS=2.5V, IOUT=-200mA 0.8 1.05 1.3 1.55 1.8 2.05 2.3 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 TA(° C) -40 25 70 85 VBIAS=5.5V, IOUT=-200mA 2.55 0.8 1.2 1.6 2 2.4 VIN (V) 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6 VIN (V) VIN vs. RON (TA=25°C, SINGLE CHANNEL) VIN vs. RDIS (VBIAS=5.5V, SINGLE CHANNEL) 19.0 220 Temperature=25oC, IOUT=-200mA 18.5 216 VBIAS (V) 17.5 2.5 17.0 3.3 16.5 3.6 RDIS (Ω) RON (mΩ) 18.0 212 85oC 70oC 25oC 208 -40oC 4.2 16.0 5 15.5 204 IDIS=1mA, VBIAS=5.5V, VEN=0V 5.5 200 15.0 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8 5.2 0.8 1.1 1.4 1.7 2 2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5 5.3 5.6 5.6 VIN (V) VIN (V) tD vs VIN, VBIAS=2.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) VEN vs. VOUT (TA=25°C, SINGLE CHANNEL) 2.4 800 VIN=VBIAS, Temperature=25oC 700 2.0 600 VBIAS (V) 1.6 2.5 1.2 3.3 5 0.8 TA (°C) 500 tD (µs) VOUT (V) NEW PRODUCT VIN vs. RON (VBIAS=2.5V, SINGLE CHANNEL) -40 400 25 300 70 5.5 85 200 0.4 100 0 0.0 0.8 0.000 0.250 0.500 0.750 1.000 1.250 1.500 1.750 2.000 2.250 2.500 VEN (V) AP22966 Document number: DS36217 Rev. 2 - 2 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 VIN (V) 7 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Performance Characteristics (cont.) (@TA = +25°C, VBIAS = 5V, unless otherwise specified.) tD vs VIN, VBIAS=5.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) tF vs VIN, VBIAS=2.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) 450 16 400 14 350 TA (°C) 25 150 70 100 85 tF (µs) tD (µs) -40 200 10 -40 8 25 6 70 4 85 2 50 0 0 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6 0.8 1 1.2 1.4 VIN (V) 1.8 2 2.2 2.4 2.6 tOFF vs VIN, VBIAS=2.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) 16 160 14 140 12 120 TA (°C) 10 -40 8 25 6 tOFF (µs) tF (µs) 1.6 VIN (V) tF vs VIN, VBIAS=5.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) TA (°C) 100 -40 80 25 60 70 4 70 40 85 2 85 20 0 0 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6 0.8 1 1.2 1.4 VIN (V) 1.6 1.8 2 2.2 2.4 2.6 VIN (V) tON vs VIN, VBIAS=2.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) tOFF vs VIN, VBIAS=5.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) 2500 250 2000 200 TA (°C) 150 -40 25 100 tON (µs) TA (°C) tOFF (µs) NEW PRODUCT 250 TA (°C) 12 300 1500 -40 25 1000 70 70 50 85 500 85 0 0 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 0.8 5.6 Document number: DS36217 Rev. 2 - 2 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 VIN (V) VIN (V) AP22966 1 8 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Performance Characteristics (cont.) (@TA = +25°C, VBIAS = 5V, unless otherwise specified.) tON vs VIN, VBIAS=5.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) tR vs VIN, VBIAS=2.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) 2000 2500 1800 1600 2000 tON (µs) -40 1000 25 800 1500 -40 25 1000 70 600 70 85 400 85 500 200 0 0 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6 0.8 1 1.2 1.4 VIN (V) 1.6 1.8 2 2.2 2.4 2.6 VIN (V) tR vs VIN, VBIAS=5.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) tR vs VBIAS, VIN=2.5V (CIN=1µF, CSS=1nF, RL=10Ω, CL=0.1μF) 3000 2500 2500 TA (°C) 2000 -40 1500 TA (°C) 1500 25 70 1000 tR (µs) 2000 tR (µs) NEW PRODUCT 1200 TA(°C) tR (µs) TA (°C) 1400 -40 25 1000 70 85 85 500 500 0 0 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6 2.5 VIN (V) Document number: DS36217 Rev. 2 - 2 3.5 4 4.5 5 5.5 VBIAS (V) Turn ON Response Time VIN=0.8V, VBIAS=2.5V, CIN=1μF, CL=0.1μF, Css=1nF, RL=10Ω AP22966 3 Turn ON Response Time VIN=0.8V, VBIAS=5V, CIN=1μF, CL=0.1μF, Css=1nF, RL=10Ω 9 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Performance Characteristics (cont.) (@TA = +25°C, VBIAS = 5V, unless otherwise specified.) Turn ON Response Time VIN=5V, VBIAS=5V, CIN=1μF, CL=0.1μF, Css=1nF, RL=10Ω Turn OFF Response Time VIN=0.8V, VBIAS=2.5V, CIN=1μF, CL=0.1μF, Css=1nF, RL=10Ω Turn OFF Response Time VIN=0.8V, VBIAS=5V, CIN=1μF, CL=0.1μF, Css=1nF, RL=10Ω Turn OFF Response Time VIN=2.5V, VBIAS=2.5V, CIN=1μF, CL=0.1μF, Css=1nF, RL=10Ω Turn OFF Response Time VIN=5V, VBIAS=5V, CIN=1μF, CL=0.1μF, Css=1nF, RL=10Ω NEW PRODUCT Turn ON Response Time VIN=2.5V, VBIAS=2.5V, CIN=1μF, CL=0.1μF, Css=1nF, RL=10Ω AP22966 Document number: DS36217 Rev. 2 - 2 10 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Application Information Enable/Disable CONTROL The EN pins control the state of the two switches. AP22966 is enabled when the EN pins are asserted high, and, the device is disabled when EN pins are asserted low. The EN input is compatible with both TTL and CMOS logic. This pin cannot be left floating and must be tied either high or low for proper functionality. INPUT CAPACITOR NEW PRODUCT To limit the voltage drop on the input supply when the switch turns on into a discharged load capacitor resulting in a transient inrush current, a capacitor needs to be placed between VIN and GND. Use 1μF capacitor or a larger value for high-current applications. Place the capacitor close to the VIN pins. OUTPUT CAPACITOR The recommended output capacitor value is 0.1μF when switching lighter loads. For heavier loads close to 6A, it is recommended that the VIN and VOUT trace lengths be kept to a minimum. In addition, a bulk capacitor (≥ 10μF) may also be placed close to the VOUT pins. If using a bulk capacitor on VOUT, it is important to control the inrush current by choosing an appropriate soft-start time in order to minimize the droop on the input supply. SOFT-START TIME A capacitor on the SS pins (to GND) sets the slew rate for each channel. To ensure desired performance, a capacitor with a minimum voltage rating of 25V should be placed on the SS pins. The input inrush current can be controlled by choosing an appropriate soft-start time. The table below shows the rise-time (10% to 90%) on VOUT for a variety of VIN and CSS conditions. CSS(pF) Soft-start Time (µs) 10% - 90%, VBIAS = 5V, CL = 0.1µF, CIN = 1µF, RL = 10Ω, Typical Values are at TA=+25°C 5V 3.3V 1.8V 1.5V 1.2V 1.05V 0.8V 0 129 93 67 61 59 57 47 220 452 310 177 148 125 112 96 470 898 610 351 290 241 210 166 1000 1609 1130 661 557 454 397 315 2200 3453 2371 1483 1224 1019 870 710 4700 7202 4978 2900 2394 2014 1728 1430 10000 13673 9774 5728 4778 3982 3370 2762 THERMAL CONSIDERATOIN The maximum junction temperature should be restricted to +125°C under normal operating conditions. The maximum allowable power dissipation PD(MAX) can be calculated as: PD(MAX) = (TJ(MAX) - TA) / θJA where, TJ(MAX) is the maximum operating junction temperature. For AP22966, TJ(MAX) = 125°C TA is the ambient temperature of the device θJA is the junction-to-air thermal impedance BOARD LAYOUT Good PCB layout is important for improving the thermal performance of the device. All trace lengths should be kept as short as possible. Place input and output capacitors close to the device to minimize the effects of parasitic inductance. The input and output PCB traces should be as wide as possible. Use a ground plane to enhance the power dissipation capability of the device. AP22966 Document number: DS36217 Rev. 2 - 2 11 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Ordering Information AP22966 XXX - 7 Package Packing NEW PRODUCT DC8 : V-DFN3020-14 Part Number Package Code Packaging AP22966DC8-7 DC8 V-DFN3020-14 -7 : Tape & Reel 7” Tape and Reel Quantity Part Number Suffix 3000/Tape & Reel -7 Marking Information V-DFN3020-14 ( Top View ) XX YW X AP22966 Document number: DS36217 Rev. 2 - 2 XX : Identification Code Y : Year : 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : Internal Code Part Number Package Identification Code AP22966DC8-7 V-DFN3020-14 WE 12 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 Package Outline Dimensions Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version. V-DFN3020-14 A3 A1 A Seating Plane NEW PRODUCT D e (Pin #1 ID) E D2 R0 E1 . 20 0 L b Z V-DFN3020-14 Dim Min Max Typ A 0.77 0.83 0.80 A1 0 0.05 0.02 A3 0.15 b 0.15 0.25 0.20 D 2.95 3.05 3.00 D2 2.40 2.60 2.50 E 1.95 2.05 2.00 E1 0.80 1.00 0.90 e 0.40 L 0.30 0.40 0.35 Z 0.20 All Dimensions in mm Suggested Pad Layout Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version. V-DFN3020-14 X3 C Y2 17 . R0 Y1 X2 5 Y C1 AP22966 Document number: DS36217 Rev. 2 - 2 X Dimensions Value (in mm) C C1 X X1 X2 X3 Y Y1 Y2 0.400 0.600 0.250 0.650 2.550 2.650 0.500 0.950 2.200 X1 13 of 14 www.diodes.com November 2014 © Diodes Incorporated AP22966 010 IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). NEW PRODUCT Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. 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LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2014, Diodes Incorporated www.diodes.com AP22966 Document number: DS36217 Rev. 2 - 2 14 of 14 www.diodes.com November 2014 © Diodes Incorporated