AME AME8802 n General Description The AME8802 family of positive, linear regulators feature low quiescent current (30µA typ.) with low dropout voltage, making them ideal for battery applications. The space-saving SOT-25 package is attractive for "Pocket" and "Hand Held" applications. These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under the "Worst" of operating conditions. An additional feature is a "Power Good" detector, which pulls low when the output is out of regulation. 300mA CMOS LDO n Functional Block Diagram OUT IN Overcurrent Shutdown Thermal Shutdown EN R1 Vref x110% AMP PG The AME8802 is stable with an output capacitance of 2.2µF or greater. R2 Vref x90% Vref =1.215V n Features l Very Low Dropout Voltage l Guaranteed 300mA Output GND Note: If output voltage specification is lower than 1.215V, Vref will be trimmed to 1.2V trimmed to 1.2V. l Accurate to within 1.5% l 30µA Quiescent Current n Typical Application l Over-Temperature Shutdown l Current Limiting l Short Circuit Current Fold-back l Power Good Output Function l Power-Saving Shutdown Mode INPUT IN OUT OUTPUT AME8802 l Space-Saving SOT-25 PG GND EN l Factory Pre-set Output Voltages l Low Temperature Coefficient l All AME's Lead Free Products Meet RoHS Standards 5V C1 C2 1µF 2.2µF n Applications l Instrumentation l Portable Electronics l Wireless Devices l Cordless Phones l PC Peripherals l Battery Powered Widgets l Electronic Scales Rev.K.02 1 AME 300mA CMOS LDO AME8802 n Pin Configuration SOT-25 Top View 5 4 AME8802 1. VIN 2. GND AME8802 3. EN 4. PG 5. VOUT 1 2 * Die Attach: 3 Conductive Epoxy n Ordering Information AME8802 x x x x x Special Feature Number of Pins Package Type Operating Ambient Temperature Range Product Grade or Option P r o d u c t Gra d e o r O p tio n A: B: C: D: E: F: G: H: I: J: K: L: M: N: O: P: Q: R: S: U: V: W: Y: Z: 2 3.3V 3.0V 2.8V 2.5V 3.8V 3.6V 3.5V 2.7V 3.4V 2.85V 3.7V 1.5V 1.8V 2.9V 3.1V 4.1V 4.75V 2.65V 5.0V 3.2V 3.15V 2.3V 1.9V 1.7V 1: 2: 3: 4: 1.3V 2.0V 4.2V 4.0V O p e rating Am b i e n t T e m p e rature Range E : -40 O C to +85 O C P a cka g e T y p e E : S O T-2X Num b e r of P ins V: 5 S p e cia l F e a ture L: Low P rofile Y : Lead Free & L o w P rofile Z: Lead Free Rev.K.02 AME AME8802 300mA CMOS LDO n Ordering Information Marking* Output Voltage Package Operating Ambient Temperature Range AME8802AEEV AAKww 3.3V SOT-25 - 40oC to +85oC AME8802AEEVL AAKww 3.3V TSOT-25 - 40oC to +85oC AME8802AEEVY AAKww 3.3V TSOT-25 - 40oC to +85oC AME8802AEEVZ AAKww 3.3V SOT-25 - 40oC to +85oC AME8802BEEV AALww 3.0V SOT-25 - 40oC to +85oC AME8802BEEVL AALww 3.0V TSOT-25 - 40oC to +85oC AME8802BEEVY AALww 3.0V TSOT-25 - 40oC to +85oC AME8802BEEVZ AALww 3.0V SOT-25 - 40oC to +85oC AME8802CEEV AAMww 2.8V SOT-25 - 40oC to +85oC AME8802CEEVL AAMww 2.8V TSOT-25 - 40oC to +85oC AME8802CEEVY AAMww 2.8V TSOT-25 - 40oC to +85oC AME8802CEEVZ AAMww 2.8V SOT-25 - 40oC to +85oC AME8802DEEV AANww 2.5V SOT-25 - 40oC to +85oC AME8802DEEVL AANww 2.5V TSOT-25 - 40oC to +85oC AME8802DEEVY AANww 2.5V TSOT-25 - 40oC to +85oC AME8802DEEVZ AANww 2.5V SOT-25 - 40oC to +85oC AME8802EEEV AAOww 3.8V SOT-25 - 40oC to +85oC AME8802EEEVL AAOww 3.8V TSOT-25 - 40oC to +85oC AME8802EEEVY AAOww 3.8V TSOT-25 - 40oC to +85oC AME8802EEEVZ AAOww 3.8V SOT-25 - 40oC to +85oC AME8802FEEV ABPww 3.6V SOT-25 - 40oC to +85oC AME8802FEEVL ABPww 3.6V TSOT-25 - 40oC to +85oC AME8802FEEVY ABPww 3.6V TSOT-25 - 40oC to +85oC AME8802FEEVZ ABPww 3.6V SOT-25 - 40oC to +85oC Part Number Note: ww represents the date code and pls refer to Date Code Rule before Package Dimension. * A line on top of the first character represents lead free plating such as AAKww. Please consult AME sales office or authorized Rep./Distributor for output voltage and package type availability. Rev.K.02 3 AME 300mA CMOS LDO AME8802 n Ordering Information (contd.) Marking* Output Voltage Package Operating Ambient Temperature Range AME8802GEEV ACGww 3.5V SOT-25 - 40oC to +85oC AME8802GEEVL ACGww 3.5V TSOT-25 - 40oC to +85oC AME8802GEEVY ACGww 3.5V TSOT-25 - 40oC to +85oC AME8802GEEVZ ACGww 3.5V SOT-25 - 40oC to +85oC AME8802HEEV AEHww 2.7V SOT-25 - 40oC to +85oC AME8802HEEVL AEHww 2.7V TSOT-25 - 40oC to +85oC AME8802HEEVY AEHww 2.7V TSOT-25 - 40oC to +85oC AME8802HEEVZ AEHww 2.7V SOT-25 - 40oC to +85oC AME8802IEEV AEPww 3.4V SOT-25 - 40oC to +85oC AME8802IEEVL AEPww 3.4V TSOT-25 - 40oC to +85oC AME8802IEEVY AEPww 3.4V TSOT-25 - 40oC to +85oC AME8802IEEVZ AEPww 3.4V SOT-25 - 40oC to +85oC AME8802JEEV AGRww 2.85V SOT-25 - 40oC to +85oC AME8802JEEVL AGRww 2.85V TSOT-25 - 40oC to +85oC AME8802JEEVY AGRww 2.85V TSOT-25 - 40oC to +85oC AME8802JEEVZ AGRww 2.85V SOT-25 - 40oC to +85oC AME8802KEEV AHTww 3.7V SOT-25 - 40oC to +85oC AME8802KEEVL AHTww 3.7V TSOT-25 - 40oC to +85oC AME8802KEEVY AHTww 3.7V TSOT-25 - 40oC to +85oC AME8802KEEVZ AHTww 3.7V SOT-25 - 40oC to +85oC AME8802LEEV AJMww 1.5V SOT-25 - 40oC to +85oC AME8802LEEVL AJMww 1.5V TSOT-25 - 40oC to +85oC AME8802LEEVY AJMww 1.5V TSOT-25 - 40oC to +85oC AME8802LEEVZ AJMww 1.5V SOT-25 - 40oC to +85oC Part Number 4 Rev.K.02 AME AME8802 300mA CMOS LDO n Ordering Information Part Number Marking* Output Voltage Package Operating Ambient Temperature Range AME8802MEEV AJNww 1.8V SOT-25 - 40oC to +85oC AME8802MEEVL AJNww 1.8V TSOT-25 - 40oC to +85oC AME8802MEEVY AJNww 1.8V TSOT-25 - 40oC to +85oC AME8802MEEVZ AJNww 1.8V SOT-25 - 40oC to +85oC AME8802NEEV AKQww 2.9V SOT-25 - 40oC to +85oC AME8802NEEVL AKQww 2.9V TSOT-25 - 40oC to +85oC AME8802NEEVY AKQww 2.9V TSOT-25 - 40oC to +85oC AME8802NEEVZ AKQww 2.9V SOT-25 - 40oC to +85oC AME8802OEEV AKRww 3.1V SOT-25 - 40oC to +85oC AME8802OEEVL AKRww 3.1V TSOT-25 - 40oC to +85oC AME8802OEEVY AKRww 3.1V TSOT-25 - 40oC to +85oC AME8802OEEVZ AKRww 3.1V SOT-25 - 40oC to +85oC AME8802SEEV AQYww 5.0V SOT-25 - 40oC to +85oC AME8802SEEVL AQYww 5.0V TSOT-25 - 40oC to +85oC AME8802SEEVY AQYww 5.0V TSOT-25 - 40oC to +85oC AME8802SEEVZ AQYww 5.0V SOT-25 - 40oC to +85oC AME8802UEEV ASDww 3.2V SOT-25 - 40oC to +85oC AME8802UEEVL ASDww 3.2V TSOT-25 - 40oC to +85oC AME8802UEEVY ASDww 3.2V TSOT-25 - 40oC to +85oC AME8802UEEVZ ASDww 3.2V SOT-25 - 40oC to +85oC Rev.K.02 5 AME 300mA CMOS LDO AME8802 n Absolute Maximum Ratings Parameter Maximum Unit 8 V Output Current PD / (V IN - VO) mA Output Voltage GND - 0.3 to VIN + 0.3 V Input Voltage B* ESD Classification Caution: Stress above the listed absolute rating may cause permanent damage to the device. * HBM B:2000V~3999V n Recommended Operating Conditions Parameter Symbol Rating Unit Ambient Temperature Range TA - 40 to +85 o C Junction Temperature Range TJ - 40 to +125 o C n Thermal Information Parameter Package Die Attach Thermal Resistance * (Junction to Case) Symbol Maximum θJC 81 Unit o Thermal Resistance (Junction to Ambient) SOT-25 Conductive Epoxy Internal Power Dissipation θJA 260 PD 400 C/W mW Maximum Junction Temperature 150 o C Solder Iron (10Sec)** 350 o C * Measure θJC on center of molding compound if IC has no tab. ** MIL-STD-202G 210F 6 Rev.K.02 AME AME8802 300mA CMOS LDO n Electrical Specifications TA = 25OC unless otherwise noted Parameter Input Voltage VIN Output Voltage Accuracy VO Dropout Voltage Test Condition Symbol VDROPOUT IO=1mA Min Max Units Note 1 7 V -1.5 1.5 % 1.2V<=VO(NOM)<=2.0V IO=300mA V O=V O(NOM) -2.0% Typ See chart 2.0V<VO(NOM)<=2.8V 2.8V<VO(NOM) 1300 400 mV 300 IO VO>1.2V 300 Current Limit ILIM VO>1.2V 300 Short Circuit Current ISC VO<0.8V 150 300 mA Quiescent Current IQ IO=0mA 30 50 µA Ground Pin Current IGND IO=1mA to 300mA 35 Output Current IO=1mA Line Regulation REGLINE VIN =VO+1 to V O+2 Load Regulation Over Temerature Shutdown REGLOAD mA 450 -0.2 0.2 1.4V < VO <= 2.0V -0.15 0.15 2.0V< VO < 4.0V -0.1 0.02 0.1 4.0V <= Vo -0.4 0.2 0.4 -1 0.2 1 IO=1mA to 300mA OTS C o C V O Temperature Coefficient TC 30 Output Voltage Noise EN Input Threshold EN Input Bias Current eN CO=2.2µF f=10Hz to 100kHz IO=10mA % 150 30 IO=100mA % o OTH PSRR µA 1.2V <= VO <= 1.4V Over Temerature Hysterisis Power Supply Rejection mA f =100Hz 60 f =1kHz 50 f =10kHz 20 Co=2.2µF 30 ppm/oC dB µVrms VEH VIN =2.7V to 7V 2.0 Vin V VEL VIN =2.7V to 7V 0 0.4 V IEH VEN=V IN , VIN =2.7V to 7V 0.1 µA 0.5 µA 1 µA 0.4 V IEL V EN =0V, VIN =2.7V to 7V Shutdown Supply Current ISD VIN=5V, VO=0V, VEN <VEL Shutdown Output Voltage VO,SD IO=0.4mA, VEN<V EL 0.5 0 2.5V <= VO(NOM) <= 5.0V 85 1.2V <= VO(NOM) < 2.5V 75 Output Under Voltage VUV Output Over Voltage VOV PG Leakage Current ILC V PG=7V 1 µA PG Voltage Rating VPG VO in regulation 7 V PG Voltage Low VOL ISINK=0.4mA 0.4 V Note1:VIN(min)=VOUT+VDROPOUT Rev.K.02 2.5V <= VO(NOM) <= 5.0V 115 1.2V <= VO(NOM) < 2.5V 125 %VO(NOM) %VO(NOM) 7 AME 300mA CMOS LDO AME8802 n Detailed Description n Enable The AME8802 family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, over-current protection, thermal shutdown, and power good function. The Enable pin normally floats high. When actively, pulled low, the PMOS pass transistor shuts off, and all internal circuits are powered down. In this state, the quiescent current is less than 1µA. This pin behaves much like an electronic switch. The P-channel pass transistor receives data from the error amplifier, over-current shutdown, and thermal protection circuits. During normal operation, the error amplifier compares the output voltage to a precision reference. Over-current and Thermal shutdown circuits become active when the junction temperature exceeds 150oC, or the current exceeds 300mA. During thermal shutdown, the output voltage remains low. Normal operation is restored when the junction temperature drops below 120oC. n Power Good The AME8802 includes the Power Good feature. When the output is not within +15% of the specified voltage, it pulls low. This can occur under the following conditions: 1) Input Voltage too low. 2) During Over-Temperature. The AME8802 switches from voltage mode to current mode when the load exceeds the rated output current. This prevents over-stress. The AME8802 also incorporates current foldback to reduce power dissipation when the output is short circuited. This feature becomes active when the output drops below 0.8volts, and reduces the current flow by 65%. Full current is restored when the voltage exceeds 0.8 volts. 3) During Over-Current. 4) If output is pulled up. (Note: PG pin is an open-drain output.) n External Capacitors The AME8802 is stable with an output capacitor to ground of 2.2µF or greater. Ceramic capacitors have the lowest ESR, and will offer the best AC performance. Conversely, Aluminum Electrolytic capacitors exhibit the highest ESR, resulting in the poorest AC response. Unfortunately, large value ceramic capacitors are comparatively expensive. One option is to parallel a 0.1µF ceramic capacitor with a 10µF Aluminum Electrolytic. The benefit is low ESR, high capacitance, and low overall cost. A second capacitor is recommended between the input and ground to stabilize Vin. The input capacitor should be at least 0.1µF to have a beneficial effect. All capacitors should be placed in close proximity to the pins. A "Quiet" ground termination is desirable. This can be achieved with a "Star" connection. 8 Rev.K.02 AME AME8802 300mA CMOS LDO Ground Current vs. Input Voltage Load Step (1mA-300mA) 45 VO (5mV/DIV) 85 C 35 30 25 O 25 C 20 15 10 5 0 0 1 2 3 4 5 6 7 I Load 0 8 TIME(20mS/DIV) Input Voltage (V) CL=2µF RL=10Ω CBYP=1000pF Output (1V/DIV) 0 0 Enable (2V/DIV) Chip Enable Transient Response CL=2µF RL=10Ω 0 Output (1V/DIV) Enable (2V/DIV) Chip Enable Transient Response 0 TIME (1mS/DIV) TIME (1mS/DIV) Drop Out Voltage vs. Load Current 1200 1000 1000 Dropout Voltage (mV) Drop Out Voltage (mV) Drop Out Voltage vs. Output Voltage 1200 800 IO=100mA 600 IO=200mA 400 IO=300mA 200 0 1.31.5 VOUT=1.3V 800 600 2 3 4 5 VOUT=1.5V VOUT=1.8V 400 200 Output Voltage (V) Rev.K.02 CL =2.2µF C IN =2.2µF Output O IL(200mA/DIV) Ground Current (µ A) 40 0 Top to Bottom VOUT=3.0V VOUT=3.3V VOUT=2.3V VOUT=3.5V VOUT=2.5V VOUT=2.8V 50 100 VOUT=3.8V VOUT=4.0V 150 200 250 300 Load Current (mA) 9 AME 300mA CMOS LDO AME8802 Power Supply Rejection Ratio Short Circuit Response ILoad(400mA/DIV) 0 -10 C CLL=2.2µF Tantalum Tantalum C C BYP=0 =0 -20 -30 -40 -50 10mA 100mA -60 -70 100 µ A 100 µ A R LOAD =100 Ω R SHORT =0.1 Ω 0 Vout (1V/DIV) PSRR (dB) 100mA 1mA 0 -80 10 1K 100K 10M TIME (2mS/DIV) Frequency (Hz) 0 RLoad=3.3 Ω 0 VOUT(1V/DIV) R LOAD=6.6 Ω IOUT(200mA/DIV) Current Limit Response VOUT (1V/DIV) I OUT (200mA/DIV) Overtemperature Shutdown 0 0 TIME (0.5Sec/DIV) TIME (2mS/DIV) VIN(1V/DIV) CL=2.2µF No Filter TIME (20ms/DIV) 10 Line Transient Response VO(1mV/DIV) Vo (1mV DIV) Noise Measurement TIME (2mS/DIV) Rev.K.02 AME AME8802 300mA CMOS LDO Stability vs. ESR vs. ILoad Stability vs. ESR vs. ILoad 10000 10000 Unstable Region Unstable Region 1000 1000 CL=1µF 10 Stable Region CL=2µF 100 ESR ( Ω ) ESR ( Ω ) 100 10 Stable Region 1 1 0.1 0.1 Untested Region Untested Region 0.01 0.01 0 50 100 150 0 200 50 Stability vs. ESR vs. ILoad 150 200 Stability vs. ESR vs. ILoad 10000 10000 Unstable Region Unstable Region 1000 1000 CL=10µF CL=3µF 10 100 ESR ( Ω ) 100 ESR ( Ω ) 100 ILOAD (mA) ILOAD (mA) Stable Region 10 Stable Region 1 1 0.1 Untested Region Untested Region 0.1 0.01 0.001 0.01 0 50 100 150 200 0 50 100 150 200 ILOAD (mA) ILOAD (mA) Output Current (mA) Safe Operating Area 300 SOT-23-5 100 10 0.1 1.0 8.0 Input-Output Voltage Differential (V) Rev.K.02 11 AME 300mA CMOS LDO AME8802 Load Regulation vs. Temp. 0.58 34 0.56 Load Regulation (%) Quiescent Current @ 5V (uA) Quiescent Current vs. Temp. 35 33 32 31 30 29 28 27 -45 0.54 0.52 0.50 0.48 0.46 0.44 0.42 -5 25 55 0.40 -45 85 -5 25 Shut Down Current vs. Temp. 85 EN pin LO bias Current vs. Temp. 1.0 -0.20 EN pin LO bias current (uA) 0.9 Shut Down Current (uA) 55 Temperature (oC) Temperature (oC) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 -0.25 -0.30 -0.35 -0.40 -0.45 0.1 0.0 -45 -5 25 o 55 -0.50 -45 85 -5 25 Temperature ( C) 210 0.40 200 190 180 170 0.35 0.30 0.25 0.20 160 -5 25 Temperature (oC) 12 85 PG VOL vs. Temp. 0.45 PG VOL @ 0.4mA (V) Dropout Voltage @ 300mA (mV) Dropout Voltage vs. Temp. 220 150 -45 55 Temperature (oC) 55 85 0.15 -45 -5 25 55 85 Temperature (oC) Rev.K.02 AME AME8802 300mA CMOS LDO n Date Code Rule Marking Date Code Year A A A W W xxx0 A A A W W xxx1 A A A W W xxx2 A A A W W xxx3 A A A W W xxx4 A A A W W xxx5 A A A W W xxx6 A A A W W xxx7 A A A W W xxx8 A A A W W xxx9 n Tape and Reel Dimension SOT-25 P W AME AME PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size Rev.K.02 Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size SOT-25 8.0±0.1 mm 4.0±0.1 mm 3000pcs 180±1 mm 13 AME 300mA CMOS LDO AME8802 n Tape and Reel Dimension TSOT-25 P W AME AME PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size 14 Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size TSOT-25 8.0±0.1 mm 4.0±0.1 mm 3000pcs 180±1 mm Rev.K.02 AME AME8802 300mA CMOS LDO n Package Dimension SOT-25 Top View Side View D θ1 SYMBOLS MILLIMETERS MIN 1.20REF E H A PIN 1 MAX INCHES MIN MAX 0.0472REF A1 0.00 0.15 0.0000 0.0059 b 0.30 0.55 0.0118 0.0217 D 2.70 3.10 0.1063 0.1220 E 1.40 1.80 0.0551 0.0709 L 1.90 BSC e S1 H e 2.60 θ1 0o 0.10236 0.11811 0.0146BSC 10 o 0o 10 o 0.95BSC 0.0374BSC MILLIMETERS INCHES S1 A1 A 3.00 0.37BSC L Front View 0.07480 BSC b TSOT-25 Top View Side View SYMBOLS D MIN MAX MIN MAX A+A1 0.90 1.25 0.0354 0.0492 b 0.30 0.50 0.0118 0.0197 c 0.09 0.25 0.0035 0.0098 D 2.70 3.10 0.1063 0.1220 E 1.40 1.80 0.0551 0.0709 E H θ1 PIN 1 L S1 H e 1.90 BSC e 2.40 θ1 0 o 10 0.95BSC 0.09449 0.11811 0.0138BSC o 0o 10 o 0.0374BSC b Rev.K.02 A1 A S1 3.00 0.35BSC L Front View 0.07480 BSC 15 www.ame.com.tw E-Mail: [email protected] Life Support Policy: These products of AME, Inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president of AME, Inc. AME, Inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. AME, Inc. , November 2008 Document: 2006/2095-DS8802-K.02 Corporate Headquarter AME, Inc. 2F, 302 Rui-Guang Road, Nei-Hu District Taipei 114, Taiwan. Tel: 886 2 2627-8687 Fax: 886 2 2659-2989