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Part: TC1188-XECT
Category:
Power Management
-> Regulators
-> Linear Regulators
Description: Delivering up to 120mA, The TC1188 And TC1189 Are Fixed Output, Low-dropout Linear Regulators That Operate From a +2
Company: Microchip Technology, Inc.
Datasheet: Download TC1188-XECT datasheet File size : 343 kB
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Datasheet text preview:
M
Features
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TC1188/TC1189
General Description
The TC1188 and TC1189 are fixed output, low dropout linear regulators that operate from a 2.7V to 6.0V input voltage source. The output is capable of delivering up to 120 mA while consuming only 50 µA of quiescent current. The low dropout voltage, 120 mV, make the TC1188 and TC1189 good choices for battery powered applications. Integrated over-current and over-temperature protection features provide for a fault tolerant solution. The TC1189 includes an output voltage auto discharge feature. When shutdown, the TC1189 will automatically discharge the output voltage using an internal N-Channel MOSFET switch. Fixed output voltage options for the TC1188/TC1189 are: 1.80V, 2.80V, 2.84V and 3.15V. Both the TC1188 and TC1189 are available in SOT23-5 packages.
MAX8863/64 Pin Compatible, Low Dropout, 120 mA Linear Regulators
Input Voltage Range: 2.7 V to 6.0 V 120 mA Output Current Low Supply Current: 50 µA, (typical) Low Dropout Voltage: 110 m V, (typical at 100 m A) Fast Turn-On from Shutdown: 140 µsec (typical) Low Output Noise Over-Current and Over-Temperature Protection Low Power Shutdown Mode Auto Discharge of Output Capacitor (TC1189)
Applications
· · · · · · Battery Powered Systems Portable Computers Medical Instruments Cellular, Cordless Phones PDAs Pagers
Typical Application Circuit
VIN VOU T TC1188 TC1189 SHDN Output Voltage CO UT 1 µF
Package Type
5-Pin SOT-23A
GND 5 VOUT 4 TC1188 TC1189 1 2 3 + Battery CI N 1 µF
GND
GND
SHDN GND VIN NOTE: 5-Pin SOT-23A is equivalent to the EIAJ (SC-74A)
2002 Microchip Technology Inc.
D S21364B -page 1
TC1188/TC1189
1 .0 ELECTRICAL CHARACTERISTICS
*Notice: *Stresses above those listed under "Absolute Maxim um 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 operation sections of the specifications is not implied. Exposure to Absolute Maxim um Rating conditions for extended periods may affect device reliability.
Absolute Maximum Ratings*
Input Voltage ......... 6.5V Output Short-Circuit Duration .....Infinite Output Voltage .. (-0.3V) to (VIN + 0.3V) Maxim um Voltage On Any Pin.... (-0.3V) to (VIN +0.3V) Continuous Power Dissipation (TA = +70°C) SOT-23-5 (derate 7.1 mW/°C above +70°C) .........571 mW Operating Temperature Range...... -40°C to 85°C Storage Temperature ....... -65°C to +160°C Lead Temperature (Soldering, 10 Sec.) .. +300°C
D C SPECIFICATIONS
Electrical Characteristics: VIN = +3.6V, GND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. (Note 1) P arameters Input Voltage Output Voltage S ymbol VI N VOUT Min VOUT+0.5V 2.7 3.05 2.75 2.70 1.745 Maximum Output Current Curr ent Limit Input Current Dropout Voltage IOUT ILIM I IN 120 -- -- -- -- -- Line Regulation Load Regulation Output Voltage Noise Wake Up Time (from Shutdown Mode) Setting Time (from Shutdown Mode) tS -- 140 -- µsec tWK VLNR VLDR -0.10 -- -- -- -- -- Typ -- -- 3.15 2.84 2.80 1.80 -- 280 50 1.1 55 110 0.001 -- 0.01 350 220 10 Max 6.0 6.0 3.25 2.93 2.88 1.85 -- -- 90 -- 120 240 0.10 -- 0.040 -- -- -- Units V V V V V mA mA µA mV mV mV %/V %/V µVRMS µVRMS µsec No te 3 IOUT = 0 IOUT = 1 mA IOUT = 50 mA IOUT = 100 mA (Note 4) VIN = VOUT + 0.5V to 6.0V IOUT = 1 mA 10 Hz to 1 MHz, COUT = 1 µF 10 Hz to 1 MHz C OUT = 100 µF VIN = 3.6V CIN = 1 µF, COUT = 1 µF IL = 30 mA, (See Figure 3-1) VIN = 3.6V CIN = 1 µF, COUT = 1 µF IL = 30 mA, (See Figure 3-1) Conditions VOUT 2.5V VOUT = 1.8V (Note 2) 0 mA IOUT 50 mA 0 mA IOUT 50 mA 0 mA IOUT 50 mA 0 mA IOUT 50 mA T S R Q
%/mA IOUT = 0 mA to 50 mA
Note 1: Limits are 100% production tested at TA = +25°C. Limits over the operating temperature range are ensured through correlation using Statistical Quality Control (SQC) methods. 2: Validated by line regulation test. 3: Not tested. For design purposes, the current limit should be considered 150 mA minimum to 410 mA maximum. 4: The dropout voltage is defined as (VIN VOUT) when VOUT is 100 mV below the value of VOUT for VIN = VOUT +2V.
DS 21364B-page 2
2002 Microchip Technology Inc.
TC1188/TC1189
DC SPECIFICATIONS (CONTINUED)
Electrical Characteristics: VIN = +3.6V, GND = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. (Note 1) Parameters Shutdown: SHDN Input Threshold SHDN Input Bias Current Shutdown Supply Current Shutdown to Output Discharge Delay (TC1189) Thermal Protection Thermal Shutdown Temperature Thermal Shutdown Hysteresis TSHDN TSHDN -- -- 170 20 -- -- °C °C VIH VIL Ishdn Iqshdn 2.0 -- -- -- -- -- -- -- -- 0.1 50 0.002 0.02 1 -- 0.4 100 -- 1 -- -- V V nA nA µA µA msec VSHDN = VIN, TA = +25°C, TA = TMAX VSHDN = VIN, TA = +25°C, TA = TMAX VOUT = 0V, TA = +25°C, TA = TMAX VOUT = 0V, TA = +25°C, TA = TMAX COUT = 1 µF, no load at 10% of VOUT Symbol Min Typ Max Units Conditions
Note 1: Limits are 100% production tested at TA = +25°C. Limits over the operating temperature range are ensured through correlation using Statistical Quality Control (SQC) methods. 2: Validated by line regulation test. 3: Not tested. For design purposes, the current limit should be considered 150 mA minimum to 410 mA maximum. 4: The dropout voltage is defined as (VIN VOUT) when VOUT is 100 mV below the value of VOUT for VIN = VOUT +2V.
2002 Microchip Technology Inc.
D S21364B -page 3
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