Low Dropout Linear Regulator

NCP565/NCV565 1.5 A Low Dropout Linear Regulator The NCP565/NCV565 low dropout linear regulator will provide 1.5 A at a fixed output voltage or an adjustable voltage down to 0.9 V. The fast loop response and low dropout voltage make this regulator ideal for applications where low voltage and good load transient response are important. Device protection includes current limit, short circuit protection, and thermal shutdown. Features http://onsemi.com MARKING DIAGRAMS 1 2 3 D2PAK CASE 936 FIXED • • • • • • • Ultra Fast Transient Response (t1.0 ms) Low Ground Current (1.1 mA @ Iload = 1.5 A) Low Dropout Voltage (0.9 V @ Iload = 1.5 A) Low Noise (28 mVrms) 0.9 V Reference Voltage Adjustable Output Voltage from 7.7 V down to 0.9 V 1.2 V Fixed Output Version. Other Fixed Voltages Available on Request • Current Limit Protection (3.5 A Typ) • Thermal Shutdown Protection (160°C) • Pb−Free Packages are Available Typical Applications www.DataSheet4U.com Tab = Ground Pin 1. Vin 2. Ground 3. Vout NC P565D2Txx AWLYWWG 1 5 D2PAK CASE 936A ADJUSTABLE NC y565D2T AWLYWWG • • • • Servers ASIC Power Supplies Post Regulation for Power Supplies Constant Current Source Tab = Ground Pin 1. N.C. 2. Vin 3. Ground 4. Vout 5. Adj xx y A WL Y WW G = 12 or 33 = P or V = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free P565 MNxx AYWWG G DFN6 CASE 506AX 1 xx = Voltage Rating AJ = Adjustible 12 = 1.2 V 33 = 3.3 V SOT−223 CASE 318E 1 yy A Y WW M G = Voltage Rating 12 = 1.2 V = Assembly Location = Year = Work Week = Date Code = Pb−Free Package AYM 565yy G G Tab = Vout Pin 1. Ground 2. Vout 3. Vin (Note: Microdot may be in either location) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 12 of this data sheet. © Semiconductor Components Industries, LLC, 2007 1 February, 2007 − Rev. 12 Publication Order Number: NCP565/D NCP565/NCV565 PIN DESCRIPTION D2PAK Pin No. Adj. Version 1 2 Pin No. Fixed Version − 1 DFN6 Pin No. Adj. Version 1, 2 3 6 4 5 Pin No. Fixed Version 1, 2, 5 3 6 4 SOT−223 Pin No. Fixed Version − 3 1 Symbol N.C. Vin − Description ÁÁÁÁÁÁÁÁÁÁÁ Á Á Á Á Á Á ÁÁ Á Á ÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Á Á Á ÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁ Á Á Á ÁÁ Á ÁÁ Á Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁ Á Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁ Á ÁÁ Á ÁÁ ÁÁ Á Á Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁ ÁÁ Á ÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁ Positive Power Supply Input Voltage Power Supply Ground 3, Tab 4 5 2, Tab 3 Ground Vout Adj 2, Tab − Regulated Output Voltage − − This pin is to be connected to the Rsense resistors on the output. The linear regulator will attempt to maintain 0.9 V between this pin and ground. Refer to Figure 1 for the equation. MAXIMUM RATINGS Rating Symbol Vin Vout Vadj RqJA RqJP RqJA RqJP RqJC RqJA RqJP TJ TA Tstg Value 9.0 Unit V V V Input Voltage (Note 1) Output Pin Voltage Adjust Pin Voltage Thermal Characteristics SOT−223 (Notes 2, 3) Thermal Resistance, Junction−to−Ambient Thermal Resistance, Junction−to−Pin Thermal Characteristics DFN6 3x3 (Notes 2, 3) Thermal Resistance, Junction−to−Ambient Thermal Resistance, Junction−to−Pin Thermal Characteristics D2PAK (5ld) (Notes 2, 3) Thermal Resistance, Junction−to−Case Thermal Resistance, Junction−to−Ambient Thermal Resistance, Junction−to−Pin Operating Junction Temperature Range Operating Ambient Temperature Range Storage Temperature Range −0.3 to Vin + 0.3 −0.3 to Vin + 0.3 107 12 °C/W °C/W 176 37 °C/W 3 105 4 −40 to 150 −40 to 125 −55 to 150 °C °C °C Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. This device series contains ESD protection and exceeds the following tests: Human Body Model JESD 22−A114−B Machine Model JESD 22−A115−A 2. The maximum package power dissipation is: TJ(max) * TA PD + RqJA 3. As measured using a copper heat spreading area of 50 mm2. http://onsemi.com 2 NCP565/NCV565 Vin Vin C1 Voltage Reference Block C1 Vref = 0.9 V Output Stage Vout 5.6 pF ADJ GND R2 Voltage Vref = 0.9 V Reference Output Block Stage R1 Vout R1 C2 C2 R2 R1 + R2 Vout *1 Vref GND GND Figure 1. Typical Schematic, Adjustable Output Figure 2. Typical Schematic, Fixed Output http://onsemi.com 3 NCP565/NCV565 ELECTRICAL CHARACTERISTICS (Vin = Vout + 1.3 V, Vout = 0.9 V, TJ = 25°C, Cin = Cout = 150 mF, unless otherwise noted.) Characteristic ADJUSTABLE OUTPUT VERSION Reference Voltage (10 mA < Iout < 1.5 A; Vout + 1.6 V < Vin < 9.0 V; TJ = −10 to 105°C) Reference Voltage (10 mA < Iout < 1.5 A; Vout + 1.6 V < Vin < 9.0 V; TJ = −40 to 125°C) ADJ Pin Current Line Regulation (Iout = 10 mA) Load Regulation (10 mA < Iout < 1.5 A) Dropout Voltage (Iout = 1.5 A, Vout = 2.5 V) (Note 4) Current Limit Ripple Rejection (120 Hz; Iout = 1.5 A) Ripple Rejection (1 kHz; Iout = 1.5 A) Ground Current (Iout = 1.0 mA to 1.5 A) Output Noise Voltage (f = 100 Hz to 100 kHz, Iout = 1.5 A) Vref Vref IAdj Regline Regload Vdo Ilim RR RR IGND Vn 0.882 (−2%) 0.873 (−3%) − − − − 1.6 − − − − 0.9 0.9 30 0.03 0.03 0.9 3.5 85 75 1.1 28 0.918 (+2%) 0.927 (+3%) − − − 1.3 − − − 3.0 − V V nA % % V A dB dB mA mVrms Symbol Min Typ Max Unit FIXED OUTPUT VOLTAGE (Vin = Vout + 1.3 V, TJ = 25°C, Cin = Cout = 150 mF, unless otherwise noted.) Output Voltage (10 mA < Iout < 1.5 A; Vout + 1.6 V < Vin < 9.0 V; TJ = −10 to 105°C) 1.2 V version Output Voltage (10 mA < Iout < 1.5 A; Vout + 1.6 V < Vin < 9.0 V; TJ = −40 to 125°C) 1.2 V version Output Voltage (10 mA < Iout < 1.5 A; Vout + 1.6 V < Vin < 9.0 V; TJ = −10 to 105°C) 3.3 V version Output Voltage (10 mA < Iout < 1.5 A; Vout + 1.6 V < Vin < 9.0 V; TJ = −40 to 125°C) 3.3 V version Line Regulation (Iout = 10 mA) Load Regulation (10 mA < Iout < 1.5 A) Dropout Voltage (Iout = 1.5 A, Vout = 2.5 V) (Note 4) Current Limit Ripple Rejection (120 Hz; Iout = 1.5 A) Ripple Rejection (1 kHz; Iout = 1.5 A) Ground Current (Iout = 1.0 mA to 1.5 A) Output Noise Voltage (f = 100 Hz to 100 kHz, Iout = 1.5 A) 4. Dropout voltage is a measurement of the minimum input/output differential at full load. Vout Vout Vout Vout Regline Regload Vdo Ilim RR RR IGND Vn 1.176 (−2%) 1.164 (−3%) 3.234 (−2%) 3.201 (−3%) − − − 1.6 − − − − 1.2 1.2 3.3 3.3 0.03 0.03 0.9 3.5 85 75 1.1 28 1.224 (+2%) 1.236 (+3%) 3.366 (+2%) 3.399 (+3%) − − 1.3 − − − 3.0 − V V V V % % V A dB dB mA mVrms http://onsemi.com 4 NCP565/NCV565 TYPICAL CHARACTERISTICS 0.9005 Vref, REFERENCE VOLTAGE (V) Vref, REFERENCE VOLTAGE (V) 0.9000 0.8995 0.8990 0.8985 0.8980 0.8975 0.8970 −50 Vin = 2.5 V Vout = 0.9 V Cin = Cout = 150 mF −25 0 25 50 75 100 125 150 3.302 3.300 3.298 3.296 3.294 3.292 3.290 3.288 −50 Vin = 4.9 V Vout = 3.3 V Cin = Cout = 150 mF −25 0 25 50 75 100 125 150 TJ, JUNCTION TEMPERATURE (°C) TJ, JUNCTION TEMPERATURE (°C) Figure 3. Output Voltage vs. Temperature 1.2 Vin − Vout, DROPOUT VOLTAGE (V) 1.0 0.8 0.6 0.4 Figure 4. Output Voltage vs. Temperature ISC, SHORT CIRCUIT CURRENT LIMIT (A) 3.90 3.85 3.80 3.75 3.70 3.65 3.60 3.55 3.50 3.45 3.40 3.35 −50 −25 0 25 50 75 100 125 150 Vin = 2.5 V Vout = 0.9 V Cin = Cout = 150 mF Iout = 1.5 A Iout = 50 mA Cin = Cout = 150 mF 0.2 0 −50 −25 0 25 50 75 100 125 150 TJ, JUNCTION TEMPERATURE (°C) TJ, JUNCTION TEMPERATURE (°C) Figure 5. Short Circuit Current Limit vs. Temperature 1.16 IGND, GROUND CURRENT (mA) 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 0.98 0.96 −50 −25 0 50 100 25 75 125 TJ, JUNCTION TEMPERATURE (°C) 150 Vin = 2.5 V Vout = 0.9 V Iout = 1.5 A Cin = Cout = 150 mF IGND, GROUND CURRENT (mA) 1.28 1.26 1.24 1.22 1.2 1.18 1.16 1.14 1.12 0 Figure 6. Dropout Voltage vs. Temperature 300 600 900 1200 Iout, OUTPUT CURRENT (mA) 1500 Figure 7. Ground Current vs. Temperature Figure 8. Ground Current vs. Output Current http://onsemi.com 5 NCP565/NCV565 TYPICAL CHARACTERISTICS 100 90 RIPPLE REJECTION (dB) 80 70 ESR (W) 60 50 40 30 20 10 0 10 1 100 1000 10000 F, FREQUENCY (Hz) 100000 1000000 0 250 500 750 1000 1250 1500 OUTPUT CURRENT (mA) Stable Iout = 1.5 A Unstable 100 1000 10 Vout = 3.3 V Cout = 10 mF Figure 9. Ripple Rejection vs. Frequency Figure 10. Output Capacitor ESR Stability vs. Output Current 10 0 −10 −20 −30 −40 Vin = 4.59 V Vout = 0.9 V OUTPUT VOLTAGE DEVIATION (mV) 0 −10 −20 −30 −40 Vin = 4.59 V Vout = 0.9 V Iout, OUTPUT CURRENT (A) 1.50 1.00 0.50 0 0 50 100 150 200 250 300 350 400 Iout, OUTPUT CURRENT (A) OUTPUT VOLTAGE DEVIATION (mV) 10 1.50 1.00 0.50 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 TIME (nS) TIME (ms) Figure 11. Load Transient from 10 mA to 1.5 A Figure 12. Load Transient from 10 mA to 1.5 A OUTPUT VOLTAGE DEVIATION (mV) 40 30 20 10 0 1.50 1.00 0.50 0 −50 0 50 100 150 200 250 300 350 400 Vin = 4.59 V Vout = 0.9 V OUTPUT VOLTAGE DEVIATION (mV) 50 50 40 30 20 10 0 Vin = 4.59 V Vout = 0.9 V Iout, OUTPUT CURRENT (A) Iout, OUTPUT CURRENT (A) 1.50 1.00 0.50 0