SY6301DSC

Application Note: SY6301 Super Low Dropout 1A LDO Regulator General Description Features     Ordering Information Package type DFN3×3-6 Note ---- dF Temperature Code Package Code Optional Spec Code or po we rst        SY6301 □(□□)□ Ordering Number SY6301DSC Input Voltage Range: 1.6-5.5V Output Voltage Accuracy: ±3% Up to 1A Output Current Low Dropout Voltage: Typ. 0.32V at IOUT=1A, VOUT=1.5V Typ. 0.18V at IOUT=1A, VOUT=2.8V Current Limiting Protection Thermal Shutdown Protection Quiescent Current: 60μA Output Auto-discharge Function Over Temperature Protection RoHS Compliant and Halogen Free Compact Package: DFN3×3-6 ar The SY6301 is a super low dropout LDO regulator with small package, capable of delivering up to 1A output current. Applications Portable Communication Equipments Hand-Held Instruments, Notebook PC Camcorders and Cameras rep are    tia lP Typical Applications VIN:1.6V~5.5V en VOUT OUT SY6301 EN RH COUT 4.7µF ADJ RL GND Figure1. Schematic Diagram Sil erg yC orp .C on 4.7µF K fid CIN VIN AN_SY6301 Rev. 0.9 © 2018 Silergy Corp. Silergy Corp. Confidential- Prepared for Customer Use Only 1 All Rights Reserved. SY6301 Pinout (top view) OUT 1 6 VIN Exposed thermal pad OUT 2 EN 4 GND or po we rst ar ADJ 3 5 (DFN3×3-6) Top mark: RBxyz for SY6301DSC (Device code: RB, x=year code, y=week code, z= lot number code) 1, 2 ADJ 3 GND EN 4 5 VIN 6 dF OUT Pin Description Output pin. Decouple this pin to the GND pin with at least a 4.7μF ceramic capacitor. Output voltage programming pin. Connect this pin to the center point of the output resistor divider (as shown in Figure 1) to program the output voltage: VOUT=1.0V×(1+RH/RL). Ground pin. Enable control pin. A 5MΩ pull-down resistor is integrated. Input pin. Decouple this pin to the GND pin with at least a 4.7μF ceramic capacitor. are Pin Number rep Pin Name en tia lP Block Diagram fid OUT .C on ADJ Current limiting Sensor Ref EN 1.0 Control Logic erg yC orp + - IN Sil Thermal Sensor GND Figure2. Block Diagram AN_SY6301 Rev. 0.9 © 2018 Silergy Corp. Silergy Corp. Confidential- Prepared for Customer Use Only 2 All Rights Reserved. SY6301 Absolute Maximum Ratings (Note 1) Recommended Operating Conditions (Note 3) or po we rst ar IN, EN ------------------------------------------------------------------------------------------------------------------------- 6.0V Power Dissipation, PD @ TA = 25°C DFN3×3-6 -------------------------------------------------------------------------- 2W Package Thermal Resistance (Note 2) θ JA -------------------------------------------------------------------------------------------------------------- 50°C/W θ JC ------------------------------------------------------------------------------------- ------------------------- 15°C/W Junction Temperature Range --------------------------------------------------------------------------------------------- 150°C Lead Temperature (Soldering, 10 sec.) ---------------------------------------------------------------------------------- 260°C Storage Temperature Range ----------------------------------------------------------------------------------- -65°C to 150°C Electrical Characteristics dF Supply Input Voltage ---------------------------------------------------------------------------------------------- 1.6V to 5.5V Junction Temperature Range ---------------------------------------------------------------------------------- -40°C to 125°C Ambient Temperature Range ----------------------------------------------------------------------------------- -40°C to 85°C (VIN = 5V, CIN=4.7μF, COUT=4.7μF, TA = 25°C unless otherwise specified) Symbol VIN ISS ISD Load Regulation △ VOUT/△ IOUT Line Regulation △ VOUT/ △ VIN EN Pull-down Resistance REN Ripple Rejection RR rep VEN=VIN=2V, VOUT=VADJ, IOUT=0A VIN=6.0V, VEN=0 VOUT=VADJ, VIN=2.0V, IOUT=100mA lP △ VOUT tia ILIM Max 5.5 100 1 Unit V µA µA 0.970 1.030 V 1.0 1.0 VIN V A en -3 fid 0.05 f=1kHz, Ripple 0.5VP-P VOUT=VADJ, VIN=2.5V, IOUT=100mA △ VOUT/△ T IOUT=100mA -40℃≤T≤85℃ ISHORT RDISCHG VENH VENL VOUT=0V Typ. 60 0.1 .C on yC orp Sil AN_SY6301 Rev. 0.9 © 2018 Silergy Corp. Min 1.6 VOUT=VADJ, VIN=2.0V 1mA≤IOUT≤1A VOUT=VADJ, IOUT=100mA 2.0≤VIN≤5.5V mV/A 0.2 %/V 5 MΩ -60 dB ±100 ppm/°C 250 100 mA Ω V V 1.0 erg Output Voltage Temperature Coefficient Short Current Limit Discharge Resistor EN Rising Threshold EN Falling Threshold Thermal Shutdown Temperature Thermal Shutdown Hysteresis Dropout Voltage Test Conditions are Parameter Input Voltage Range Supply Current Shutdown Current Output Voltage Accuracy Output Voltage Range Current Limit 0.4 TSD 150 °C THYS 20 °C VDROP Refer to following table Silergy Corp. Confidential- Prepared for Customer Use Only 3 All Rights Reserved. SY6301 Dropout Voltage by output Voltage TA = 25°C Output Voltage(V) VOUT Typ. 0.18 0.10 0.05 I=1A Typ 0.50 0.28 0.18 ar 1.0V≤VOUT < 1.5V 1.5V≤ VOUT < 2.6V 2.6V≤VOUT Dropout Voltage VDROP (V) I=300mA Max 0.32 0.15 0.10 Note 2: or po we rst Note 1: Stresses beyond the “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. θ JA is measured in the natural convection at T A = 25°C on a two-layer Silergy evaluation board. Sil erg yC orp .C on fid en tia lP rep are dF Note 3: The device is not guaranteed to function outside its operating conditions AN_SY6301 Rev. 0.9 © 2018 Silergy Corp. Silergy Corp. Confidential- Prepared for Customer Use Only 4 All Rights Reserved. SY6301 Typical Operating Characteristics Load Regulation Dropout Voltage vs. Input Voltage (VIN=2V, CIN=4.7μF, COUT=4.7μF) 1.010 0.6 IOUT =0.3A IOUT =1.0A 0.3 0.2 1.005 1.000 0.995 0.1 0 1.0 0.990 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 ar 0.4 or po we rst Output Voltage (V) Dropout Voltage (V) 0.5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Load Current (A) dF Input Voltage (V) Line Regulation (IO=0.1A, CIN=4.7μF, COUT=4.7μF) are 1.010 Power Supply Rejection Ratio (VIN=2.5V, Io=0.1A, CIN=4.7μF, COUT=4.7μF) rep 1.000 0.990 2 2.5 3 3.5 4 4.5 5 .C on 1.5 fid en 0.995 Input Voltage (V) 5.5 Gain(dB) lP 1.005 tia Output Voltage (V) 10 0 -10 -20 -30 -40 -50 -60 -70 1k 10k 100k Shutdown from EN (VIN=2V, VOUT=1V, IO=1A) Sil erg yC orp Startup from EN (VIN=2V, VOUT=1V, IO=1A) VEN 2.0V/div VOUT 1.0V/div IOUT AN_SY6301 Rev. 0.9 © 2018 Silergy Corp. VEN 2.0V/div VOUT 1.0V/div 500mA/div IOUT Time (20μs/div) 500k Frequency (Hz) 500mA/div Time (10μs/div) Silergy Corp. Confidential- Prepared for Customer Use Only 5 All Rights Reserved. SY6301 Load Transient Short Circuit Protection (VIN=2V, VOUT=1V, IO=0.1~1A) (VIN=2V, VOUT=1V, 1A to hard short) VOUT 500mV/div ∆VOUT IOUT 500mA/div 500mA/div or po we rst ar IOUT 200mV/div Time (40μs/div) Sil erg yC orp .C on fid en tia lP rep are dF Time (2ms/div) AN_SY6301 Rev. 0.9 © 2018 Silergy Corp. Silergy Corp. Confidential- Prepared for Customer Use Only 6 All Rights Reserved. SY6301 Operation Information For better accuracy, choosing RL