TS4270

Preliminary T S4 2 7 0 5V Ultra Low Dropout Fixed Voltage Regulator T O- 2 2 0 - 5 L TO-263-5L 2 (D PAK) TO-252-5L (DPA K) Pin Definition: 1. Input 2. Reset Outpu t 3. Ground 4. Reset Delay 5. Output General Description This device is a 5V low-drop fixed-voltage regulator. The maximum input voltage is 42V (65V, ≤400 ms). Up to an input voltage of 26V and for an output current up to 550mA it regulates the output voltage within a 2% accuracy. The short circuit protec tion limits the output current of more than 650mA. The device incorporates over voltage protection and temperature pr otec tion that disables the circuit at un-permissibly high temperatures. Features ● ● ● ● ● ● ● ● ● ● ● Output Voltage tolerance ≤±2% Low-drop Voltage Integrated Over Temperature Protection Reverse Polarity Protection Input Voltage up to 42V Over Voltage Protec tion up to 65V (≤400mS) Shor t-Circuit Proof Suitable for use in Automotiv e Elec tronics Wide Temperature Range Adjus table Reset Time ESD Protection > 4KV Ordering Information Part No. TS4270CZ550 C0 TS4270C M550 RN TS4270C P550 RO Package TO-220-5L TO-263-5L TO-252-5L Packi ng 50pcs / Tube 800pc s / 13” R ee l 2.5kpcs / 13” Reel Absolute Maximum Rating (TJ =-40~150oC) Parameter Input Voltage Input Voltage ( t ≤ 400mS) Operating Input Voltage Range Reset Output Voltage Reset D elay Voltage Output Voltage Gr o u n d C u r r e n t Storage Temperature Range Junction Temperature Range Symbol VI VI VI VR VD VO IGND TST TJ Limit 42 65 6 to 42 -0.3 to 7 -0.3 to 7 -1.0 to 16 -0.5 - 50 t o + 150 - 40 t o + 150 Unit V V V V V V A o o C C Thermal Information Parameter Thermal R esistance* (Junc tion to Case) Thermal R esistance* (Junc tion to Ambient) TO-263-5L t < 1m S TO-263-5L Symbol R ӨJ C ZӨJC R ӨJ A Maxi mum 3 2 65 Unit K/W K/W 1/9 Version: A07 Preliminary T S4 2 7 0 5V Ultra Low Dropout Fixed Voltage Regulator Electrical Specifications (VIN=13.5V, -40oC≤ TJ ≤150oC, unless otherwise noted) Parameter Output Voltage Output Voltage Output Current Limit Current Consumption (Iq = II – IO) Current Consumption (Iq = II – IO) Current Consumption (Iq = II – IO) Dropout Voltage (Note 1) Load R egulation Line R egulation Power Supply Ripple R ejection Symbol VOUT VOUT IQmax Iq Iq Iq VDR Test Conditi on 5mA ≤ IQ ≤550mA, 6V ≤ VI ≤ 26V IQ ≤300mA: 26V ≤ VI ≤ 36V VO =0V IO =5mA, IO =550mA, IO =550mA, VI =5V IO =550mA Mi n 4.90 4.90 650 -------- Ty p 5 5 850 1 55 70 350 25 12 54 Max 5.10 5.10 -1.5 75 90 700 50 25 -- Unit V V mA mA mA mA mV mV mV dB REGLOAD IO = 5~550mA, VI = 6V REGLINE IO = 5mA, VI = 6~26V PSRR f=100Hz , Vr =0.5VSS Reset Generator Parameter Switching Thr eshold Reset H igh Voltage Reset Low Voltage (Note 2) Reset Low Voltage Reset Pull-up Lower Reset Timing Threshold C har ge C ur r e nt Upper Timing Threshold Delay Time Reset R eaction Time Symbol VRT VROH VROL VROL R VDRL Id VDU td tRR Test Conditi on Mi n 4.5 4.5 – – 18 0.2 8 1.4 – – Ty p 4.65 – 60 200 30 0.45 14 1.8 13 – Max 4.8 – – 400 46 0.8 25 2.3 – 3 Unit V V mV mV kΩ V uA V ms us Rintern =30k Ω, 1V≤ VO ≤4.5V IR =3mA, VO =4.4V Inter nally Connec ted to Output VO < VRT VD =1V C D =1 0 0 n F C D =1 0 0 n F Over Voltage Protection Parameter Symbol Test Conditi on Mi n Ty p Max Unit 42 44 46 V Turn-off Voltage VL, OV Note: 1. Drop voltage = VIN - VOUT ( measured when the output voltage has dropped 100 mV from the nominal value obtained at 13.5 V input) 2. R eset peak is always lower than 1.0 V. Pin Definitions and Functions Pin Symbol Function 1 2 3 4 5 Input Reset Output GN D Reset D elay Output Block to ground dir ectly on the IC w ith ceramic capacitor The open collec tor output is connected to the 5 V output via an integrated resistor of 30 kW Inter nally connec ted to heatsink Connect a capacitor to ground for delay time adjus tment 5V, block to ground with 22 mF capacitor ESR , < 3W 2/9 Version: A07 Preliminary T S4 2 7 0 5V Ultra Low Dropout Fixed Voltage Regulator Block Diagram Application Description The IC regulates an input voltage in the range of 5.5V < VI 