150mA Super LDO CYT6166 Linear Regulator Description The CYT6166 is an efficient linear voltage regulator. It has extra low dropout voltage. At light loads the typical dropout voltage is 10mV, and at full load the typical dropout voltage is 100mV. The output voltage accuracy is better than 2%. The CYT6166 has low ground current, so it can help prolong battery life. The CYT6166 is specially designed for hand-held, battery-powered devices. Pin Configuration TOP-VIEW 2 Features ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Typical 0.1V dropout voltage at 100mA. Meets Intel® Slot 1 and Slot 2 requirements Guaranteed 150mA output over the full operating temperature range Low 180mV typical dropout voltage at full load Extremely tight load and line regulation Low temperature coefficient Current and thermal limiting No-load stability Standard SOT-23-3 and To-92 packages Applications ¾ ¾ ¾ ¾ 3 1 SOT-23 CD/DVD-ROM, CD/RW Wireless LAN card, Keyboard, Mouse Battery Powered Equipment PCMCIA Card Top view 3 2 1 Ordering information TO-92 CYT6166□□□ Typical Applications Vin 5V PIN(1->3) 1) G: OUT/IN/GND 2) N: GND/OUT/IN Package Type: 1) L: SOT-23-3 CYT6166□□□ C1 C=10u C0 C=10u Control Logic gnd 1.25V Ref 3.3V Vout M0 Over Current Protection R2 rload gnd Thermal Protection gnd Preliminary and all contents are subject to change without prior notice. PIN(1->3) 1) 2) Package Type: 2) Output Voltage: 1) 2) 3) 4) 5) G: N: H: A: B: C: D: E: OUT/GND/IN GND/IN/OUT TO-92 Vout=3.3V Vout=2.8V Vout=2.5V Vout=1.8V Vout=1.5V 150mA Super LDO CYT6166 Linear Regulator Absolute Maximum Ratings (Note 1) Operating Ratings (Note2) Supply Input Voltage (VIN) ..……… -0.7V to +7V Supply Input Voltage (VIN) ……...… +2.5V to +6V Junction Temperature (TJ)…….…..0℃ to +125℃ Package Thermal Power Dissipation (PD)...Internally Limited, Note 3 Junction Temperature (TJ)…….…..0℃ to +125℃ Lead Temperature (soldering, 5 sec.)….….260℃ Storage Temperature (TS)……….-10℃ to +150℃ Resistance…………………………………..Note 3 Electrical Characteristics VIN = VOUT + 1.0V; COUT = 4.7µF, IOUT =100µA; TJ =25℃, bold values indicate -0℃≤ TJ ≤+75℃ unless noted. Symbol Parameter Conditions VOUT Output Voltage Accuracy ∆VOUT /∆T Output Voltage 10mA≦IOUT≦150mA TA=25℃, CYT6166-1.5, 2.5V≦VIN≦5.5V CYT6166-1.8, 2.8V≦VIN≦5.5V CYT6166-2.5, 3.5V≦VIN≦5.5V CYT6166-2.8, 3.8V≦VIN≦5.5V CYT6166-3.3, 4.3V≦VIN≦5.5V Note 4 Min Typical Max Units 1.470 1.764 2.450 2.744 3.234 1.5 1.8 2.5 2.8 3.3 1.530 1.836 2.550 2.856 3.366 V V V V V 40 Temperature Coefficient ppm/ ℃ ∆VOUT / VOUT Line Regulation VIN = VOUT + 1V to 5.5V 0.3 % ∆VOUT / VOUT Load Regulation IOUT =10mA to 150mA, Note 5 0.5 % VIN - VOUT Dropout IOUT =10mA 9 IOUT =150mA 175 IOUT =10mA 4.6 IOUT =150mA 90 Voltage, Note 6 TPROTECTION VOUT<2V VOUT>2V Thermal Protection mV mV 150 ℃ Protection Hysterisys 30 ℃ Thermal Protection Temperature PSRR Ripple Rejection f =120Hz 75 DB IGROUND Ground Current IOUT=10mA 1 mA ILIMIT Current Limit VOUT =0V 1.5 A Note 1: Exceeding the absolute maximum rating may damage the device. Note 2: The device is not guaranteed to function outside its operating rating. Note 3: The maximum allowable power dissipation at any TA (ambient temperature) is calculated using: PD(max) = (TJ(max) TA)/θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. See Table 1 and the “Thermal Considerations” section for details. Note 4: Output voltage temperature coefficient is the worst case voltage change divided by the total temperature range. Note 5: Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load regulation in the load range from 100µA to 300mA. Changes in output voltage due to heating effects are covered by the thermal regulation specification. Note 6: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V differential. Preliminary and all contents are subject to change without prior notice. 150mA Super LDO Linear Regulator Application Hints: Like any Low drop out regulator, CYT6166 requires external capacitors to ensure stability. The external capacitors must be carefully selected to ensure the performances. Input Capacitor: An Input Capacitor of at least 10uF is required. Ceramic or Tantalum can be used. The value can be increased without upper limit. Thermal Considerations: It is important that the thermal limit of the package should not be exceeded. The CYT6166 has built-in thermal protection. When the thermal limit is exceeded, the IC will enter protection, and the Vout will be reset to zero. The power dissipation for a given application can be calculated as follows: The Power Dissipation (PD) is PD = IOUT * [VIN – VOUT] Output Capacitor: An Output Capacitor is required for look stability. It must be located no more than 1cm away from the Vout pin, and connected directly between Vout and GND pins. The minimum value is 10uF but once again its value can be increased without limit. The thermal limit of the package is then limited to PD(max) = [TJ – TA]/θJA where TJ is the junction temperature, TA is ambient temperature, and θJA is around 220C/W for CYT6166. CYT6166 is designed to enter thermal protection at 150C. For example, if TA is 50C then the max PD is limited to about 0.45W. In other words, if IOUT(max) = 150mA, then [VIN – VOUT] can not exceed 3V. TYPICAL PERFORMANCE CHARACTERISTICS (Vin=5V,Vout=3.3V,Cin=1uF;Cout=10uF,TA=25℃,unless otherwise noted.) Vout Vs I l oad 4 Vout(V) 3 2 1 0 0 100 200 300 400 500 CYT6166 600 I l oad( mA) Preliminary and all contents are subject to change without prior notice. 150mA Super LDO Linear Regulator Line Transient Load Transient Load Transient Load Transient Preliminary and all contents are subject to change without prior notice. CYT6166 150mA Super LDO CYT6166 Linear Regulator OUTLINE DRAWING SOT-23 C J DIMENSIONS INCHES MM MIN MAX MIN MAX H B N DIM D A E F K L G A B C D E F G H J K L 0.110 0.047 0.083 0.035 0.070 0.018 0.015 0.0005 0.034 0.003 - 0.120 0.055 0.104 0.040 0.080 0.024 0.020 0.004 0.040 0.007 0.027 2.80 1.20 2.10 0.89 1.78 0.45 0.37 0.013 0.887 0.085 - 3.04 1.40 2.64 1.03 2.05 0.60 0.51 0.10 1.02 0.18 0.69 OUTLINE DRAWING TO-92 DIMENSIONS INCHES MM MIN MAX MIN MAX A N DIM B D E G F H K J A B E F G H J K 0.175 0.170 0.500 0.016 0.045 0.095 0.080 0.125 Preliminary and all contents are subject to change without prior notice. 0.205 0.210 0.610 0.021 0.055 0.105 0.105 0.165 4.445 4.318 12.70 0.407 1.143 2.413 2.032 3.175 5.207 5.334 15.50 0.533 1.397 2.667 2.667 4.191