iD9309 Ultra-Low Noise Ultra-Fast 300mA LDO ... - …

1 iD9309 Ultra-Low Noise Ultra-Fast 300mA LDO Regulator Feb. 2013 1 Rev General Description The iD9309 is a 300mA , low dropout and low Noise linear regulator with high ripple rejection ratio and fast turn-on time. It has fixed output voltage ranging from to The iD9309 includes a reference voltage source, an error amplifier, driver transistors and an internal current limiter.

2 The current limiter s holdback circuit operates as a short protection. The iD9309 works well with low ESR ceramic capacitors, suitable for portable RF and wireless battery-powered applications with stringent space requirements and demanding performance. It also offers ultra low Noise output and has low quiescent current. Ordering Information iD9309 - Package:A20:SOT-89-3A21:SOT-89-3-L TYPEA30:SOT-23-3B30-TSOT-23-3A51:SOT-23- 5B51:TSOT-23-5C40:SC-82FA4:UDFN-4 Output Voltage Voltage : Tape and Reel Other voltage outputs may be available.

3 For further details, please contact an iDesyn sales or distributor. Features Ultra-Low - Noise Application Wide to 7V Operating Range Quick Start-up Current Limiting Protection Thermal Shutdown Protection Low Dropout : 200mV @ 300mA High Ripple Rejection 65dB@1kHz Standby Current Less Than A Auto Discharge Applications Battery-Powered Equipment Portable Instruments Digital Camera WLAN Communication Hand-Held Instruments Marking Information For marking information, please contact our sales representative directly or through distributor around your location.

4 iD9309 Feb. 2013 2 Rev Typical Application Circuit VINCIN=1 FEnableVINVOUTEN GNDVOUTCOUT=1 F100K Figure 1. SC-82 / UDFN-4 Package VINCIN=1 FEnableVINVOUTENGNDVOUTCOUT=1 F100 KNCx Figure 2. (T)SOT-23-5 Package VINCIN=1 FVINVOUTGNDVOUTCOUT=1 F Figure 3. (T)SOT-23-3 and SOT-89-3 Package iD9309 Feb.

5 2013 3 Rev Absolute Maximum Ratings (Note1) Recommended Operating Conditions Supply Voltage VIN 8V Input Voltage VIN to 7V Power Dissipation, PD @ TA=25 C EN Input Voltage 0V to 7V SOT-89-3 570mW Junction Temperature -40 C to 125 C SC-82 300mW Ambient Operating Temperature -40 C to 85 C (T)SOT-23-3 & (T)

6 SOT-23-5 400mW UDFN-4 400mW Thermal Resistance, JA SOT-89-3 175 C/W SC-82 333 C/W (T)SOT-23-3 & (T)SOT-23-5 250 C/W UDFN-4 250 C/W Lead Temperature 260 C Storage Temperature -65 C to 150 C ESD Susceptibility HBM (Human Body Mode) 2kV MM (Machine Mode) 200V iD9309 Feb.

7 2013 4 Rev Electrical Characteristics (Unless otherwise specified VIN=VOUT+1V, TA=25 C) Parameters SymbolCondition Min Typ Max UnitsOperating Voltage Range (Note 2) VIN 7 V Standby Current ISBY VEN = GND,Shutdown 1 A Supply Current Limit ILIMIT RLOAD = 1 600 mA Quiescent Current IQ VOUT = 85 A VOUT = 1150 1300 mV VOUT = 800 1000 mV VOUT = 320 500 mV VOUT = 240 360 mV VOUT = 200 300 mV VOUT = 180 260 mV VOUT = 160 230 mV Dropout Voltage (Note 3)

8 VDROP IOUT = 300mAVOUT = 150 200 mV EN input Bias Current IIBSD VEN = GND or VIN 0 100 nA Line Regulation VLINE VIN = (VOUT +1V) to , IOUT = 1mA 10 mV/V 1mA < IOUT < 300mA 15 25 mV Load Regulation VLOAD 1mA < IOUT < 300mA (UDFN-4) 15 40 mV Output Noise Voltage eNO 10Hz to 100kHz, IOUT = 200mA, COUT = 1 F 100 VRMST hermal Shutdown Temperature TSD 165 C Thermal Shutdown Temperature Hysteresis TSD 30 C Output Voltage Accuracy VOUT IOUT =1mA -2 +2 % Fast Discharge N-MOSFET Turn On Resistance RDISCHARGEVIN = 4V, VEN = 0V 35 Logic-Low V VIL VIN = 3V to.

9 Shutdown V EN Threshold Logic-High V VIH VIN = 3V to ,Start-up V f = 100Hz -70 Power Supply Rejection Rate f = 10kHz PSRR COUT = 1 F, IOUT = 10mA -55 dB Note 1: Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may remain possibility to affect device reliability.

10 Note 2: VIN (MIN) =VOUT+VDROPOUT Note 3: The dropout voltage is defined as (VIN-VOUT) when VOUT is 100mV below the target value of VOUT. Pin Configurations (Top View) SC-82 (T)SOT-23-3 SOT-89-3-L TYPE SOT-89-3 iD9309 Feb. 2013 5 Rev Pin Configurations (Cont.)