AP3615FNTR-G1

PART OBSOLETE - NO ALTERNATE PART AP3615 5 CHANNEL CHARGE PUMP CURRENT SINK FOR LED DRIVER Pin Assignments 2 C2+ 3 C1+ 4 The supply voltage of AP3615 ranges from 2.8V to 5.5V which make it ideally suit for applications powered by Li-ion battery. The AP3615 is available in the tiny package of QFN-3×3-16. Regulated Output Current with ±3% Matching  Drives up to 5 WLEDs at 20mA Each  16 Steps Brightness Control Using Pulse Signal Dimming  Mobile Phone Wide Operating Voltage Range: 2.8V to 5.5V  PDA  High Operating Frequency: 1MHz  MP3/4  Auto 1x/1.5x Charge Pump Mode Selection  Built-in Soft-start  Output Over Voltage Protection  Built-in UVLO  Built-in OTSD  Operating Temperature Range: -40°C to +85°C Document number: DS41101 Rev. 3 - 4 5 6 7 8 D2 11 D3 10 D4 9 D5 Exposed PAD, Connected to AGND QFN-3×3-16  AP3615 EP 12 Note: Pin 14 should be connected with Pin 16 on PCB Board. Features  13 EN C2- 14 VIN 1 15 PGND C1- D1 16 The AP3615 provides up to 20mA current for each WLED. There are totally 16 steps of current control, which is achieved through a digital pulse dimming function on EN pin. Additionally, 1MHz high switching frequency enables the use of small external capacitors. Internal softstart circuitry prevents excessive inrush current during start-up and mode transition. VOUT2 Pin 1 Mark NC (Top View) VOUT1 OBSOLETE – PART DISCONTINUED The AP3615 is a step-up DC-DC converter based on 1x/1.5x charge pump and low dropout current sink, which helps it maintain the highest efficiency. The AP3615 is specially designed to drive up to 5 WLEDs in backlight display. AGND Description Applications 1 of 11 www.diodes.com January 2019 © Diodes Incorporated PART OBSOLETE - NO ALTERNATE PART AP3615 Typical Applications Circuit OBSOLETE – PART DISCONTINUED C2 1F C1 1F D1 7 Li-ion Battery CIN 1F 1 4 2 3 C1- C1+ C2- C2+ D1 EN 5 COUT D2 AP3615 14 16 D3 D4 D4 D5 VIN Pulse Input 8 D2 VOUT2 D3 VOUT1 D4 AGND D5 PGND 1F 13 12 11 10 9 6 4 WLEDs C1 C2 1F 1F D1 7 Li-ion Battery CIN 1 F 1 4 2 3 C1- C1+ C2- C2+ VIN D1 Pulse Input 8 14 16 COUT 5 EN AP3615 D2 VOUT2 D3 VOUT1 D4 AGND 1F PGND D5 D2 D3 13 12 11 10 9 6 5 WLEDs Detailed application information, please refer to AP3615 application note. AP3615 Document number: DS41101 Rev. 3 - 4 2 of 11 www.diodes.com January 2019 © Diodes Incorporated PART OBSOLETE - NO ALTERNATE PART AP3615 OBSOLETE – PART DISCONTINUED Pin Descriptions Pin Number Pin Name Function 1 C1- Flying capacitor 1 negative terminal. The flying capacitor should be connected as close to this pin as possible 2 C2- Flying capacitor 2 negative terminal. The flying capacitor should be connected as close to this pin as possible 3 C2+ Flying capacitor 2 positive terminal. The flying capacitor should be connected as close to this pin as possible 4 C1+ Flying capacitor 1 positive terminal. The flying capacitor should be connected as close to this pin as possible 5 AGND Analog ground 6 PGND Power ground 7 VIN Supply voltage input 8 EN Enable control input. Logic high enables the IC; while logic low forces the IC into shutdown mode. It is used for digital dimming by applying a pulse signal on it. 9, 10, 11, 12, 13 D5 ~ D1 Current sink for WLED5, 4, 3, 2, 1. Connect the cathode of WLEDs to these pins. If not used, these pins must be connected with VIN 14 VOUT2 Output pin 2. It powers 5 channels current sink 15 NC 16 VOUT1 No connection Output Pin 1. It’s the charge pump output. The output capacitor should be placed closely to this pin Functional Block Diagram VIN C1- C1+ 1 4 7 EN C2+ 2 3 16 1 x /1.5 x Charge Pump 1MHz OSC 8 C2- 5 AGND 6 PGND 14 VOUT2 Current Limitation OVP Soft Start Shutdown Delay 16 Steps Pulse Dimming Controller VOUT1 UVLO OTSD 5 Channels Current Sink 13 12 11 10 9 D1 D2 D3 D4 D5 AP3615 Document number: DS41101 Rev. 3 - 4 3 of 11 www.diodes.com January 2019 © Diodes Incorporated PART OBSOLETE - NO ALTERNATE PART AP3615 Absolute Maximum Ratings (Note 1) Symbol Value Unit Input Voltage -0.3 to 6 V VOUT VOUT Pin Voltage (VOUT1 & VOUT2) -6 to 0.3 V VEN EN Pin Voltage -0.3 to 6 V VC+ C1+, C2+ Pin Voltage -0.3 to 6 V VC- C1-, C2- Pin Voltage -6 to 0.3 V VD D1, D2, D3, D4 and D5 Pin Voltage VOUT to VIN V θJA Thermal Resistance (Junction to Ambient, No Heat Sink, Free Air) 60 °C/W +150 °C -65 to +150 °C +260 °C OBSOLETE – PART DISCONTINUED VIN Operating Junction Temperature TJ Note 1: Parameter TSTG Storage Temperature TLEAD Lead Temperature (Soldering, 10sec) Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Recommended Operating Conditions Symbol Parameter Min Max Unit VIN Input Voltage 2.8 5.5 V TA Operating Ambient Temperature -40 +85 °C AP3615 Document number: DS41101 Rev. 3 - 4 4 of 11 www.diodes.com January 2019 © Diodes Incorporated PART OBSOLETE - NO ALTERNATE PART Electrical Characteristics AP3615 (VIN=3.6V, VEN=VIN, TA=+25°C, CIN=C1=C2=COUT=1μF, VF(forward voltage)=3.2V, unless otherwise noted.) Symbol Parameter Conditions Min Typ Max Unit 2.8 _ 5.5 V OBSOLETE – PART DISCONTINUED Input Section Input Voltage ID=0mA to 100mA _ Under Voltage Lockout Threshold VIN Falling _ 2.2 _ V _ Under Voltage Lockout Hysteresis _ _ 250 _ mV Supply Current No Load _ 1.7 3 mA Shutdown Supply Current VEN=GND _ 3 10 μA 0.7 1 1.3 MHz _ 3.5 3.6 V _ 3.7 3.8 V 18.5 20 21.5 mA -3 _ 3 % VIN ICC ISHDN Charge Pump Section fOSC V1.5X V1X Switch Frequency VIN=3.0V, 1.5x Mode 1x Mode to 1.5x Mode Transition Voltage (VIN Falling) 1.5x Mode to 1x Mode Transition Voltage (VIN Rising) VD=3.2V, ID1=ID2=ID3=ID4=ID5=20mA VD=3.2V, ID1=ID2=ID3=ID4=ID5=20mA Current Source Section WLED Current 100% Setting, 3.0V≤VIN≤5.0V TA=-40°C to+ 85°C ID-Match1 Current Matching Between any Two Outputs VD1=VD2=VD3=VD4=VD5=3.2V ID-Match2 Current Matching Between any Two Outputs VD1=VD2=VD3=VD4=VD5=3.0V to 4.0V VIN=3.2V to 5.0V -3.5 _ 3.5 % ID Enable Section VIH EN High Level Threshold Voltage _ 1.5 _ _ V VIL EN Low Level Threshold Voltage _ _ _ 0.5 V IEN EN Input Current VEN= 0V to 5V _ 1 10 μA tSHDN EN Low to Shutdown Delay _ 1 _ _ ms tLO EN Low Time for Dimming _ 0.1 _ 0.3 ms tHI EN High Time for Dimming _ 0.1 _ _ ms tSS Soft-start Time ID=100mA Total _ 200 _ μs IINRUSH Inrush Current VIN=3.2V, ID=100mA Total _ 320 _ mA VOVP Over Voltage Protection (Note 2) _ 5.5 _ V TOTSD Thermal Shutdown _ _ +160 _ °C THYS Thermal Shutdown Hysteresis _ _ +20 _ °C Thermal Resistance (Junction to Case) QFN-3×3-16 _ 15 _ °C/W Total Device θJC Note 2: Open circuit at any WLED that is programmed to be in the on state. AP3615 Document number: DS41101 Rev. 3 - 4 5 of 11 www.diodes.com January 2019 © Diodes Incorporated PART OBSOLETE - NO ALTERNATE PART AP3615 Performance Characteristics (TA=+25°C, CIN=C1=C2=COUT=1μF, VF=3.2V, unless otherwise noted.) 3.5 21 WLED Current (mA) Shutdown Supply Current (A) WLED Current vs. Input Voltage 22 3.0 2.5 2.0 20 19 ID1 ID2 18 ID3 o TA=25 C VIN=3.2V 1.5 17 Shut Down 1.0 -40 -20 0 20 40 60 80 100 120 16 2.8 140 ID4 VIN Falling 3.2 ID5 3.6 4.0 O 2.2 4.4 2.0 4.0 1.8 1.6 o TA=25 C 1.4 VIN=5V No Load 1x Mode 1.2 -20 0 20 40 60 5.2 80 100 120 3.2 o 2.8 TA=25 C VIN=3.2V No Load 1.5x Mode 2.4 2.0 -40 140 -20 0 20 O 40 60 80 100 120 140 O Temperature ( C) 1x Mode WLED Current vs. Temperature 1.5x Mode WLED Current vs. Temperature 22 22 o o TA=25 C TA=25 C 21 WLED Current (mA) VIN=5V 20 19 ID1 ID2 18 VIN =3.6V 20 19 ID1 ID2 18 ID3 ID3 ID4 17 ID4 17 ID5 ID5 16 -40 5.6 3.6 Temperature ( C) 21 4.8 1.5x Mode Quiescent Current vs. Temperature Quiescent Current (mA) Quiescent Current (mA) 1x Mode Quiescent Current vs. Temperature 1.0 -40 4.4 Input Voltage (V) Temperature ( C) WLED Current (mA) OBSOLETE – PART DISCONTINUED Shutdown Supply Current vs. Temperature 4.0 -20 0 20 40 60 80 100 120 140 0 20 40 60 80 100 120 140 O Temperature ( C) Document number: DS41101 Rev. 3 - 4 -20 Temperature ( C) O AP3615 16 -40 6 of 11 www.diodes.com January 2019 © Diodes Incorporated PART OBSOLETE - NO ALTERNATE PART Performance Characteristics (Cont. AP3615 TA=+25°C, CIN=C1=C2=COUT=1μF, VF=3.2V, unless otherwise noted.) Efficiency vs. Input Voltage Frequency vs. Temperature 1.4 100 1.2 Frequency (MHz) Efficiency (%) 80 70 60 50 40 1.0 0.8 o TA=25 C 30 VIN from High to Low VIN=3.6V 0.6 ID1=ID2=ID3=ID4=ID5=20mA ID1=ID2=ID3=ID4=ID5=20mA 20 10 2.8 3.2 3.6 4.0 4.4 4.8 5.2 0.4 -40 5.6 -20 0 20 60 80 100 120 140 o 1x Mode Quiescent Current vs. Input Voltage FUVLO Threshold Voltage vs. Temperature 2.6 2.2 UVLO Threshold Voltage (V) 2.0 1.8 1.6 1.4 o TA=25 C No Load VIN Rising 1.2 1.0 2.0 40 Temperature ( C) Input Voltage (V) Quiescent Current (mA) OBSOLETE – PART DISCONTINUED 90 2.5 3.0 3.5 4.0 4.5 5.0 2.4 2.3 2.2 2.1 o 1.9 -40 5.5 No Load -20 0 20 40 60 80 100 120 140 o Temperature ( C) 1x Mode Turn on Characteristic 1x Mode Turn off Characteristic VC1+ 2V/div VC1+ 2V/div VOUT 1V/div VOUT 1V/div VEN 2V/div VEN 2V/div IIN 0.2A/div IIN 0.2A/div Time (100s/div) Document number: DS41101 Rev. 3 - 4 TA=25 C 2.0 Input Voltage (V) AP3615 Power Falling Power Rising 2.5 Time (400s/div) 7 of 11 www.diodes.com January 2019 © Diodes Incorporated PART OBSOLETE - NO ALTERNATE PART Performance Characteristics (Cont. TA=+25°C, CIN=C1=C2=COUT=1μF, VF=3.2V, unless otherwise noted.) 1.5x Mode Turn on Characteristic OBSOLETE – PART DISCONTINUED AP3615 1.5x Mode Turn off Characteristic VC1+ 2V/div VC1+ 2V/div VOUT 1V/div VOUT 1V/div VEN 2V/div VEN 2V/div IIN 0.2A/div IIN 0.2A/div Time (400s/div) Time (100s/div) 1x Mode Dimming Operation (VIN=5V, fEN=2kHz) VEN 2V/div Output Ripple (VIN=3.3V, ID=100mA) VIN 20mV/div IIN 20mA/div VOUT 50mV/div IWLED 5mA/div VC1+ 2V/div Time (2ms/div) AP3615 Document number: DS41101 Rev. 3 - 4 Time (400ns/div) 8 of 11 www.diodes.com January 2019 © Diodes Incorporated PART OBSOLETE - NO ALTERNATE PART AP3615 Digital Dimming Operating Diagram (Note 3) 30s< t READY 0.45s< t HI 0.45s< t LO