APL5538 Dual Channel 300mA Regulator + Reset IC Features General Description • Low Quiescent Current : 110µA (No load) The APL5538 is a dual-channel regulator with reset • Low Dropout Voltage : function (specific voltage monitoring), and internal de- VDROP1=350mV@300mA lay circuit, set to detect 3.9V or 4.2V. Maximum in- VDROP2=350mV@300mA put voltage is 6V, output1 and output2 deliver up to Fixed Output Voltage : 300mA. VOUT1 typical dropout voltage is 350mV at • VOUT1=3.3V/300mA 300mA loading and VOUT2 typical dropout voltage is VOUT2=3.3V/300mA 350mV at 300mA loading. Design with an internal P- • Stable with 2.2µF Output Capacitor channel MOSFET pass transistor, the APL5538 main- • Stable with Aluminum, Tantalum or Ceramic tains a low supply current. Other features include, Capacitors thermal-shutdown protection, current limit protection • Built in Thermal Protection to ensure specified output current. The APL5538 come • Fast Transient Response in miniature SOP-8 and SOP-8-P packages. • Short Setting Time • SOP-8, SOP-8-P with Thermal Pad Packages • Adjustment-free Reset Detection Voltage : Pinouts 3.9V or 4.2V typ • SOP-8 Top View Easy to Set Delay Time from Voltage Detection to Reset Release C d 1 8 C O N T R E S E T 2 7 G N D 3 6 V O U T 2 4 5 V O U T 1 V D E T V Applications • IN SOP-8-P Top View CD-ROM drive. C d 1 8 C O N T R E S E T 2 7 G N D 3 6 V O U T 2 4 5 V O U T 1 V D E T V IN APL5538 = Thermal Pad (connected to GND plane for better heat dissipation) ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 1 www.anpec.com.tw APL5538 Ordering and Marking Information Package Code K : SOP-8 KA : SOP-8-P Temp. Range C : 0 to 70 °C I : -40 to 85 °C Handling Code TR : Tape & Reel Detection Voltage : A : 3.9V B : 4.2V Lead Free Code L : Lead Free Device Blank : Orginal Device APL5538 Lead Free Code Handling Code Temp. Range Package Code Detection Voltage APL5538 K / KA : APL5538X XXXXX X - Detection Voltage XXXXX - Date Code Pin Description PIN Name No. 1 Cd 2 3 4 5 6 7 8 RESET VDET VIN VOUT1 VOUT2 GND CONT I/O O I I O O I Description Delay time capacitor pin, RESET pin output delay time can be set by the capacitor connected to the Cd pin. tPLH = 130000∗C, tPLH : transmission delay time (s), C:capacitor value (F) Input voltage detection output pin , low = VDET<VS , high = VDET>VS Input pin of voltage detection. Voltage supply input pin. Regulator output pin. Regulator output pin. GND pin VOUT1 on/off-control pin, VOUT1 will be turn off when CONT pull to low. Absolute Maximum Ratings Symbol VIN, VOUT CONT VDET RTH,JA RTH,JC Parameter Input Voltage or Out Voltage Rating 6.5 Unit V VOUT1 Shutdown Control Pin 6.5 V RESET Pin Supply Voltage Thermal Resistance – Junction to Ambient SOP-8 SOP-8-P Thermal Resistance – Junction to Case SOP-8 6.5 V 130 80 °C/W 30 °C/W SOP-8-P 5 PD Power Dissipation TJ Operating Junction Temperature Control Section Power Transistor TSTG TL Storage Temperature Range Lead Temperature (Soldering, 10 second) Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 2 Internally Limited W 0 to 125 °C 0 to 150 -65 to +150 °C 260 °C www.anpec.com.tw APL5538 Electrical Characteristics Unless otherwise noted these specifications apply over full temperature , VIN=5V, CIN=1µF,COUT1=2.2µF, COUT2=2.2µF, CONT=VIN, TJ=0 to 125°C . Typical values refer to TJ=25°C . Symbol Parameter Input Voltage Quiescent Current IQ Shutdown Supply Current ICONT Shutdown Input Bias current High Threshold Voltage VCONT Low Threshold Voltage ICCQ VDET Input Current Regulator1 Test Conditions APL5538 Min. Typ. 20 Max. 6 220 140 0.1 VIN+0.3 0.4 40 3.3 3.366 VIN VOUT1 Output Voltage ILIMIT Circuit Current Limit Load Current IOUT REGLINE Line Regulation REGLOAD Load Regulation (Note) Dropout Voltage VDROP (VOUT(Nominal)=3.3V Version) PSRR Ripple Rejection TC COUT 110 70 1.6 -0.3 VDET =5V VIN=5V VIN=5V 3.234 800 F≤1kHz, 1Vpp at IOUT=50mA C =10nf µA V mA 4 20 0.1 350 6 60 450 mV mV % mV dB 150 °C Over Temperature Shutdown Hysteresis Hysteresis 10 °C Output Voltage Temperature Ta= -20 ~ 80°C Coefficient 100 ppm/°C Output Capacitor 2.2 µF ESR 45 V mA 300 VOUT+0.5V< VIN<6.0V, IOUT=10mA VIN =5V, 0mA< IOUT < IMAX 515X IOUT =300mA V µA µA µA 50 Over Temperature Shutdown OTS IOUT1 =0mA, IOUT2 =0mA CONT = low, IOUT2=0mA VCONT =VIN Unit 0.01 1 Ohm 3.366 V Regulator2 VOUT2 Output Voltage ILIMIT Circuit Current Limit Load Current IOUT Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 VIN=5V VIN=5V 3.234 3.3 800 300 3 mA mA www.anpec.com.tw APL5538 Electrical Characteristics (Cont.) Unless otherwise noted these specifications apply over full temperature , VIN=5V, CIN=1µF,COUT1=2.2µF, COUT2=2.2µF, CONT=VIN, TJ=0 to 125°C . Typical values refer to TJ=25°C . Symbol Parameter REGLINE Line Regulation REGLOAD Load Regulation TC COUT Output Voltage Temperature Coefficient Min. VOUT+0.5V< VIN<6.0V, IOUT=10mA VIN =5V, 0mA< IOUT < IMAX (Note) Dropout Voltage VDROP (VOUT(Nominal)=3.3V Version) PSRR Ripple Rejection Over Temperature Shutdown OTS Over Temperature Shutdown Hysteresis APL5538 Test Conditions 515X IOUT =300mA F≤1kHz, 1Vpp at IOUT=50mA C =10nf 45 Typ. Max. 4 20 0.1 350 6 60 450 Unit mV mV % mV 50 dB 150 °C Hysteresis 10 °C Ta= -20 ~ 80°C 100 ppm/°C 2.2 µF Output Capacitor ESR 0.01 1 Ohm RESET / RESET VS Detection Voltage VDET=HàL (APL5538A) 3.822 3.9 3.978 VDET=HàL (APL5538B) 4.116 4.2 4.284 Vs Temperature Coefficient Ta = -20~+80°C ∆VS Hysteresis Voltage VDET = HàLàH VOL Low-level Output Voltage IOH ∆VS/∆T 100 100 V ppm/°C 150 200 mV VDET = 3.9V, RL = 4.7kΩ 12 60 mV Output Leakage Current VDET = 5V 0.5 1 µA IOL1 Output Current1 VDET =3.9V, VRESET = 0.4V 25 30 mA IOL2 Output Current2 VDET = 3.9V, VRESET = 0.4V Ta = -20~+80°C 20 25 mA tPLH “H” Transmission Delay Cd = 0µF Time tPLH1 Reset Delay Time tPHL “L” Transmission Delay Cd = 0µF Time VOPL Threshold Operating Voltage VDET = 3.7Và5V, Cd = 0.1µF VRESET = 0.4V 8 42 90 µs 13 18 ms 4 90 µs 0.95 1.25 V Note : Dropout voltage definition : VIN- VOUT when VOUT is 2% below the value of VOUT for VIN=5V Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 4 www.anpec.com.tw APL5538 Application Circuit 3.3V VOUT1 VIN 1µ F RL VDET APL5538 4.7kΩ 3.3V RESET Cd GND VOUT2 CONT COUT2 2.2µ F 0.1µ F Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 COUT1 2.2µ F 5 www.anpec.com.tw APL5538 Timing Chart APL5538 V IN . V DET 5V Vs Vs RESET 5V t PLH + t PLH1 0V CONT H L V OUT1 5V 0V V OUT2 5V 0V Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 6 www.anpec.com.tw APL5538 Typical Characteristics Quiescent Current vs. Output Current Quiescent Current vs. Input Voltage 700 160 VIN = 5V IOUT1=IOUT1=0mA 600 Quiescent Current (µA) Quiescent Current (µA) 140 120 100 80 60 40 20 500 VOUT1,V OUT2 400 300 200 100 0 0 0 1 2 3 4 5 0 6 50 Input Voltage (V) 100 150 200 250 300 Output Current (mA) Output Voltage vs. Input Voltage Output Voltage vs. Temperature 3.320 3.5 3.330 IOUT1=IOUT1=0mA 3.320 3.310 VOUT1 3.300 VOUT1,V OUT2 2 1.5 1 3.300 3.290 3.290 VOUT2 3.280 3.280 VOUT2 (V) 3.310 2.5 VOUT1 (V) Output Voltage (V) 3 3.270 3.270 0.5 3.260 3.250 3.260 0 0 1 2 3 4 -40 -20 5 20 40 60 80 100 120 140 Temperature (°C) Input Voltage (V) Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 0 7 www.anpec.com.tw APL5538 Typical Characteristics Dropout Voltage vs. Output Current PSRR vs. Frequency 350 +0 VIN = 5V -10 IOUT1 = IOUT2 = 50mA -20 250 PSRR (dB) Dropout Voltage (mV) 300 200 VOUT1,V OUT2 150 100 -30 -40 -50 VOUT1,V OUT2 -60 50 -70 -80 10 0 0 50 100 150 200 250 300 100 1k 10k 100k Frequency (Hz) Output Current (mA) Load-Transient Response Load-Transient Response VOUT1(150mV/div) VOUT2(150mV/div) IOUT1=1mA ~ 300mA COUT1=2.2uF(Aluminum) IOUT2=1mA ~ 300mA COUT2=2.2uF(Aluminum) Time (0.1ms/div) Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 Time(0.1ms/div) 8 www.anpec.com.tw APL5538 Typical Characteristics Line-Transient Response Shutdown Response RLOAD = 100 Ω VIN = 4.5 ~ 5.5V VOUT1 (2v/div) VOUT1(20mV/div) IOUT1=10mA COUT1=2.2uF VOUT2 CONT(2v/div) VOUT2(20mV/div) IOUT2=10mA COUT2=2.2uF Time(20µs/div) Time (1ms/div) Powering On Powering Off V IN(2V/div) VOUT1 VOUT1 V IN(2V/div) VOUT2 VOUT2 RESET(2V/div) RESET(2V/div) Time(10ms/div) Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 Time(0.2ms/div) 9 www.anpec.com.tw APL5538 Typical Characteristics Safe Operating Area (Power Dissipation Limit) 550 1.6 500 1.4 450 Output Current (mA) Power Dissipation (mW) Power Dissipation vs. Ambient Temperature 1.8 1.2 1 SOP-8-P 0.8 0.6 0.4 0.2 IL1=IL2, 2oZ Copper on SOP-8 Package Mounted on recommended minimum footprint 400 TA=25°C 350 300 250 TA=85°C 200 150 SOP-8 0 100 25 50 75 100 125 150 1 Ambient Temperature (°C) 1.25 1.5 1.75 2 2.25 2.5 2.75 Input-Output Voltage Differential VIN-VOUT(V) Safe Operating Area (Power Dissipation Limit) 800 IL1=IL2, 2oZ Copper on SOP-8-P Package Mounted on recommended minimum footprint Output Current (mA) 700 600 TA=25°C 500 400 TA=85°C 300 200 100 1 1.25 1.5 1.75 2 2.25 2.5 2.75 Input-Output Voltage Differential VIN-VOUT(V) Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 10 www.anpec.com.tw APL5538 Application Information Capacitor Selection and Regulator Stabil- RESET ity The RESET pin is asserted whenever VDET falls below The APL5538 uses at least a 1uF capacitor on the the reset threshold voltage or if CONT is forced low at input. This capacitor can use Aluminum, Tantalum or some special IC(refer timing chart and pin description). Ceramic capacitors. Input capacitor with large value The reset function ensures the microprocessor is prop- and low ESR provides better PSRR and line-transient erly reset and powers up into a known condition after response. The output capacitor also can use a power failure. RESET will remain valid with VIN as Aluminum, Tantalum or Ceramic capacitors, and it’s low as 0.95V. The RESET output is a simple open- minimum values is recommended 2.2uF, ESR muse drain N channel MOSET structure. A pull-up resistor be above 0.01Ω. Large output capacitor values can must be used to pull this output up to some voltage. reduce noise and improve load-transient response, For most application, this voltage will be the same stability, and PSRR. Note that some ceramic dielec- power supply that supplies VIN to the APL5538. The trics exhibit large capacitance and ESR variation with APL5538 is relatively immune to negative-going Temperature. If use this capacitor, it may be neces- glitches below the reset threshold. Typically reset delay sary to use 2.2uF or more to ensure stability at tem- time is 13ms while using o.1uF at Cd pin. If more perature below -10°C. transient immunity is needed, a Cd capacitor can be placed as larger as possible. Load-Transient Considerations Input-Output (Dropout)Voltage The APL5538 load-transient response graphs in Typical Characteristics show the transient response. A step change in the load current from 1mA to 300mA The minimun input-output voltage differential (dropout) at 1u second will cause less than 200mV transient determines the lowest usable supply voltage. The drop- spike. Large output capacitor’s value and low ESR out voltage is a function of drain-to-source on resis- can reduce transient spike. tance multiplied by the load current. Shutdown/Enable Current Limit The APL5538 has an active high enable function. Force APL5538 includes two separate current-limit circuitry CONT high (>1.6V) enables the VOUT1 , CONT low (<0. for each linear regulator. The current limit protection, 4V) disables the VOUT1 and VOUT2 can not be affected which sense the current flows the P-channel MOSFET, by CONT. Enter the shutdown mode, it also causes and controls the output voltage. The point where limit- the output voltage to discharge through a 500 Ω resis- ing occurs is IOUT=950mA. The output can be shorted tance to ground. In shutdown mode, the quiescent to ground for an indefinite amount of time without dam- current can reduce to 100uA. The CONT pin cannot aging to the part. be floating, a floating CONT pin may cause an indeterminate state on the output. If it is no use, connect to VIN for normal operation. Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 11 www.anpec.com.tw APL5538 Application Information Thermal Protection Thermal protection limits total power dissipation in the heat into ambient air. The vias are recommended to APL5538. When the junction temperature exceeds have proper size to retain solder, helping heat TJ=+150°C, the thermal sensor generate a logic sig- conduction. nal to turn off the pass transistor and let IC to cool. 102 mil When the IC’s junction temperature cools by 10°C, the thermal sensor will turn the pass transistor on again, resulting in a pulsed output during continuous thermal 118 mil protection. Thermal protection is designed to protect SOP-8-P the IC in the event of fault conditions. For continual operation, do not exceed the absolute maximum junction temperature rating of TJ=+150°C. Die Thermal pad Operating Region and Power Dissipation The thermal resistance of the case and circuit board, Top ground pad Ambient Air ambient and junction air temperature, and the rate of Vias air flow all control the APL5538 maximum power dissipation. The power dissipation across the device Internal ground plane Printed circuit board Figure 1 is P = IOUT (VIN-VOUT). The maximum power dissipation is: PMAX = (TJ-TA) / (θJB +θBA ) where TJ-TA is the temperature difference between the junction and ambient air. θJB is the thermal resistance of the package, θBA is the thermal resistance through the printed circuit board, copper traces, and other materials to the surrounding air. The GND pin provides an electrical connection to ground and channeling heat away. Connect the GND pin to ground using a large pad or ground plane as a heat sink, it can improve maximize thermal dissipation. See figure 1. The SOP-8-P utilizes a bottom thermal pad to minimize the thermal resistance of the package, making the package suitable for high current applications. The thermal pad is soldered to the top ground pad and is connected to the internal or bottom ground plane by several vias. The printed circuit board (PCB) forms a heat sink and dissipates most of the Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 12 www.anpec.com.tw APL5538 Packaging Information E e1 0.015X45 SOP-8 pin ( Reference JEDEC Registration MS-012) H e2 D A1 A 1 L 0.004max. Dim Millimeters Inches Min. Max. Min. Max. A 1.35 1.75 0.053 0.069 A1 0.10 0.25 0.004 0.010 D 4.80 5.00 0.189 0.197 E 3.80 4.00 0.150 0.157 H 5.80 6.20 0.228 0.244 L 0.40 1.27 0.016 0.050 e1 0.33 0.51 0.013 0.020 e2 1.27BSC 0.50BSC φ 1 8° 8° Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 13 www.anpec.com.tw APL5538 Packaging Information E1 E 0.015X45 SOP-8-P pin ( Reference JEDEC Registration MS-012) H D1 e1 e2 D A1 A 1 L 0.004max. Dim Millimeters Inches Min. Max. Min. Max. 1.35 1.75 0.053 0.069 A1 0 0 .1 5 0 0.00 6 D D1 4.80 5.00 0.189 0.197 E 3.80 A 3 . 0 0R E F 0.118REF 4.00 0.150 2 . 6 0R E F 0.157 E1 H 5.80 6.20 0.228 0.244 L 0.40 1.27 0.016 0.050 e1 e2 0.33 0.51 0.013 0.02 0 φ 1 Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 0.102REF 1.27BSC 0.50BSC 8° 8° 14 www.anpec.com.tw APL5538 Physical Specifications Terminal Material Lead Solderability Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb), 100%Sn Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3. Reflow Condition (IR/Convection or VPR Reflow) tp TP Critical Zone T L to T P Temperature Ramp-up TL tL Tsmax Tsmin Ramp-down ts Preheat 25 t 25 °C to Peak Tim e ClassificatinReflowProfiles Profile Feature Sn-Pb Eutectic Assembly Large Body Small Body Average ramp-up rate 3°C/second max. (TL to TP) Preheat - Temperature Min (Tsmin) 100°C - Temperature Mix (Tsmax) 150°C - Time (min to max)(ts) 60-120 seconds Tsmax to TL - Ramp-up Rate Tsmax to TL - Temperature(TL) 183°C - Time (tL) 60-150 seconds Peak Temperature(Tp) 225 +0/-5°C 240 +0/-5°C Time within 5°C of actual Peak 10-30 seconds 10-30 seconds Temperature(tp) Ramp-down Rate 6°C/second max. 6 minutes max. Time 25°C to Peak Temperature Pb-Free Assembly Large Body Small Body 3°C/second max. 150°C 200°C 60-180 seconds 3°C/second max 217°C 60-150 seconds 245 +0/-5°C 250 +0/-5°C 10-30 seconds 20-40 seconds 6°C/second max. 8 minutes max. Note: All temperatures refer to topside of the package. Measured on the body surface. Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 15 www.anpec.com.tw APL5538 Reliability test program Test item SOLDERABILITY HOLT PCT TST ESD Latch-Up Method MIL-STD-883D-2003 MIL-STD-883D-1005.7 JESD-22-B, A102 MIL-STD-883D-1011.9 MIL-STD-883D-3015.7 JESD 78 Description 245°C , 5 SEC 1000 Hrs Bias @ 125 °C 168 Hrs, 100 % RH , 121°C -65°C ~ 150°C, 200 Cycles VHBM > 2KV, VMM > 200V 10ms , Itr > 100mA Carrier Tape t D P Po E P1 Bo F W Ko Ao D1 T2 J C A B T1 Application SOP- 8/-P A B 330 ± 1 F 5.5± 1 J T1 T2 W P E 62 +1.5 C 12.75+ 0.15 2 ± 0.5 12.4 ± 0.2 2 ± 0.2 12± 0. 3 8± 0.1 1.75±0.1 D D1 Po P1 Ao Bo Ko t 2.0 ± 0.1 6.4 ± 0.1 5.2± 0. 1 1.55 +0.1 1.55+ 0.25 4.0 ± 0.1 2.1± 0.1 0.3±0.013 (mm) Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 16 www.anpec.com.tw APL5538 Cover Tape Dimensions Application SOP- 8/-P Carrier Width 12 Cover Tape Width 9.3 Devices Per Reel 2500 Customer Service Anpec Electronics Corp. Head Office : No.6, Dusing 1st Road, SBIP, Hsin-Chu, Taiwan, R.O.C. Tel : 886-3-5642000 Fax : 886-3-5642050 Taipei Branch : 7F, No. 137, Lane 235, Pac Chiao Rd., Hsin Tien City, Taipei Hsien, Taiwan, R. O. C. Tel : 886-2-89191368 Fax : 886-2-89191369 Copyright ANPEC Electronics Corp. Rev. A.6 - Jul., 2006 17 www.anpec.com.tw