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| 1 TC55 Series LOW DROPOUT POSITIVE VOLTAGE REGULATOR FEATURES s s s s s s s s Very Low Dropout Voltage .... 120mV typ at 100mA 380mV typ at 200mA High Output Current .............. 250mA (VOUT = 5.0V) High Accuracy Output Voltage ........................ 2% ( 1% Semicustom Version) Wide Output Voltage Range .................... 2.1V-6.0V Low Power Consumption ................... 1.1A (Typ.) Low Temperature Drift ................... 100ppm/C Typ Excellent Line Regulation ..................... 0.2%/V Typ Package Options ....................................SOT-23A-3 SOT-89-3 TO-92 Short Circuit Protected Standard 3.0V, 3.3V and 5.0V Output Voltages Custom Voltages Available from 2.1V to 6.0V in 0.1V Steps. GENERAL DESCRIPTION The TC55 Series is a collection of CMOS low dropout positive voltage regulators which can source up to 250mA of current with an extremely low input-output voltage differential of 380mV. The low dropout voltage combined with the low current consumption of only 1.1A makes this part ideal for battery operation. The low voltage differential (dropout voltage) extends battery operating lifetime. It also permits high currents in small packages when operated with minimum VIN - VOUT differentials. The circuit also incorporates short-circuit protection to ensure maximum reliability. PIN CONFIGURATIONS *SOT-23A-3 VIN 2 123 2 3 4 TO-92 s s s SOT-89-3 APPLICATIONS s s s s s Battery-Powered Devices Cameras and Portable Video Equipment Pagers and Cellular Phones Solar-Powered Instruments Consumer Products TC55 1 GND 3 VOUT 1 GND 2 VIN TC55 TC55 3 VOUT 5 6 7 GND VIN *SOT-23A-3 is equivalent to EIAJ (SC-59) FUNCTIONAL BLOCK DIAGRAM ORDERING INFORMATION PART CODE TC55 RP XX X X X XX XXX Output Voltage: Ex: 21= 2.1V; 60 = 6.0V Extra Feature Code: Fixed: 0 VIN VOUT Short-circuit Protection + Tolerance: 1 = 1.0% (Custom) 2 = 2.0% (Standard) Temperature: E: - 40C to +85C Package Type and Pin Count: CB: SOT-23A-3 (Equivalent to EIAJ (SC-59)) MB: SOT-89-3 ZB: TO-92-3 Taping Direction: Standard Taping Reverse Taping No suffix: TO-92 Bulk TC55-20 11/8/96 Voltage Reference GND VOUT TELCOM SEMICONDUCTOR, INC. - 8 4-127 LOW DROPOUT POSITIVE VOLTAGE REGULATOR TC55 Series ABSOLUTE MAXIMUM RATINGS* Item Input Voltage Output Current Output Voltage Power Dissipation: (TA 70C) SOT-23A-3 SOT-89 TO-92 Code VIN IOUT VOUT Pd Ratings +12 Pd/(VIN - VOUT) (VSS - 0.3) to (VIN + 0.3) 240 400 440 - 40 to +85 - 65 to +150 Units V mA V mW Operating Temperature Range Storage Temperature Range TA Tstg C C TC55RP50 ELECTRICAL CHARACTERISTICS: VOUT(S) = 5.0V, TA = 25C unless otherwise specified (see REMARKS). Symbol VOUT(A) IOUTmax VOUT Vdif ISS VOUT(A)*100 VIN*VOUT(S) VIN VOUT(A)*106 VOUT(S)*TA REMARKS: Parameter Output Voltage Maximum Output Current Load Regulation I/O Voltage Difference Current Consumption Voltage Regulation Input Voltage Temperature Coefficient of Output Voltage Long Term Stability Test Conditions IOUT = 40mA VIN = 6.0V VIN = 6.0V, VOUT(A) 4.5V VIN = 6.0 V, 1 mA IOUT 100mA IOUT = 100mA IOUT = 200 mA VIN = 6.0V IOUT = 40mA 6.0V VIN 10.0V IOUT = 40mA - 40C TA 85C TA = 125C, 1000 Hours Min -- 4.90 250 -- -- -- -- -- -- -- -- Typ -- 5.0 -- 40 120 380 1.1 0.2 -- 100 0.5 Max -- 5.10 -- 80 300 600 3.0 0.3 10.0 -- -- Unit V mA mV mV A %/V V ppm/C % VOUT(S): Preset value of Output voltage VOUT(A): Actual value of Output voltage Vdif: Definition of I/O voltage difference = {VIN1 - VOUT(A)} VOUT(A): Output Voltage when IOUT is fixed and VIN = VOUT(S) + 1.0V VIN1: Input Voltage when the output voltage is 98% VOUT(A) TC55RP40 ELECTRICAL CHARACTERISTICS: VOUT(S) = 5.0V, TA = 25C unless otherwise specified (see REMARKS). Symbol VOUT(A) IOUTmax VOUT Vdif ISS VOUT(A)*100 VIN*VOUT(S) VIN VOUT(A) VOUT(S)*TA Parameter Output Voltage Maximum Output Current Load Regulation I/O Voltage Difference Current Consumption Voltage Regulation Input Voltage Temperature Coefficient of Output Voltage Long Term Stability Test Conditions IOUT = 40mA VIN = 5.0V VIN = 5.0V, VOUT(A) 3.6V VIN = 5.0 V, 1 mA IOUT 100mA IOUT = 100mA IOUT = 200mA VIN = 5.0V IOUT = 40mA 5.0V VIN 10.0V IOUT = 40mA - 40C TA 85C TA = 125C, 1000 Hours Min -- 3.92 200 -- -- -- -- -- -- -- -- Typ -- 4.0 -- 45 170 400 1.0 0.2 -- 100 0.5 Max -- 4.08 -- 90 330 630 2.9 0.3 10.0 -- -- Unit V mA mV mV A %/V V ppm/C % 4-128 TELCOM SEMICONDUCTOR, INC. LOW DROPOUT POSITIVE VOLTAGE REGULATOR TC55 Series TC55RP30 ELECTRICAL CHARACTERISTICS: VOUT(S) = 5.0V, TA = 25C unless otherwise specified (see REMARKS). Symbol VOUT(A) IOUTmax VOUT Vdif ISS VOUT(A)*100 VIN*VOUT(S) VIN VOUT(A)*106 TA*VOUT(S) 1 Parameter Output Voltage Maximum Output Current Load Regulation I/O Voltage Difference Current Consumption Voltage Regulation Input Voltage Temperature Coefficient of Output Voltage Long Term Stability Test Conditions IOUT = 40mA VIN = 4.0V VIN = 4.0V, VOUT(A) 2.7V VIN = 4.0V, 1 mA IOUT 80mA IOUT = 80mA IOUT = 160mA VIN = 4.0V IOUT = 40mA 4.0V VIN 10.0V IOUT = 40mA - 40C TA 85C TA = 125C, 1000 Hours Min -- 2.94 150 -- -- -- -- -- -- -- -- Typ -- 3.0 -- 45 180 400 0.9 0.2 -- 100 0.5 Max -- 3.06 -- 90 360 700 2.8 0.3 10.0 -- -- Unit V mA mV mV A %/V V ppm/C % 2 3 4 5 6 7 *Static-sensitive device. Unused devices must be stored in conductive material. Protect devices from static discharge and static fields. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to Absolute Maximum Rating Conditions for extended periods may affect device reliability. MARKING SOT-23A-3 SOT-89-3 TO-92-3 x x 1234 5678 9 10 11 12 represents first voltage digit 23456 3 ex: 3.xV = kkkk represents first decimal place voltage (x.0 - x.9) A = x.0 E = x.4 L = x.8 B = x.1 F = x.5 M = x.9 C = x.2 H = x.6 D = x.3 K = x.7 3E ex: 3.4V = kkkk represents Polarity 0 = Positive (fixed) represents assembly lot number , , & = 55RP (fixed) = first voltage digit (2-6) = first voltage decimal (0-9) = extra feature code : fixed : 0 = regulation accuracy 1 = 1.0% (custom), 2 = 2.0% (standard) , , & = assembly lot number 8 TELCOM SEMICONDUCTOR, INC. 4-129 |
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