SPW8103S Dual OP-AMP and 2.5V± 0.7% Elektronische Bauelemente Voltage Reference RoHS Compliant Product Description SOP-8 The SPW8103S consists of 2 low-offset voltage amplifiers and a high-accuracy 2.5V voltage reference in SOP-8 package. The SPW8103S provides a low cost and space saving solution for the application such as power supply and switching adapters. The SPW8103S is available in a SOP-8 package. It can operate o o over the ambient temperature range from -40 C to 105 C. 45 3.80 4.00 1.27 Typ. 4.80 5.00 0.10 0.25 o * VREF Sinking Current Capability : 1mA to 100 mA 0.375 REF 0.25 0 o 8 * Max. 27V Voltage Rating ± o 6.20 5.80 0.35 0.49 Features 0.19 0.25 0.40 0.90 1.35 1.75 Dimensions in millimeters * Low Input Offset Voltage * Precision ± 0.7% Voltage Reference Appliactions * Adapter * Switching Power Supply * Portable Device Typical Circuit Block Diagram SPW8103S rogrammed by pacitor CT to ground .Operation 500kHz The oscillator frequency and maximum output duty cycle are programmed nts upbyto pacitor CT to ground .Operation 500kHz Fig 1. CC/CV Control for Switching Adapters Pin Descriptions Pin 1 2 3 4 5 6 7 8 http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A Name OUT1 IN1IN1+ GND IN2+ IN2OUT2 VCC This is the reference output .It provides charging current for capacitor CT This output directly drives the gate of a power MOSFET. Peak currents up to Function This is the reference output .It provides charging current for capacitor CT Output of Op-amp 1 Negative terminal of Op-amp 1 Positive terminal of Op-amp 1, connected to internal reference voltage Ground Positive terminal of Op-amp 2 Negative terminal of Op-amp 2 Output of Op-amp 2 Supply voltage Any changing of specification will not be informed individual Page 1 of 4 SPW8103S Dual OP-AMP and 2.5V± 0.7% Elektronische Bauelemente Voltage Reference Absolute Maximum Ratings Parameter Supply Voltage VCC Differential Input Voltage(IN1+ to IN1-, IN2+ to IN2-) Input Voltage Maximum Junction Temperature Operating Ambient Temperature Range Storage Temperature Range Lead Temperature (PB Free, 10sec) Junction-to-Ambient Thermal Resistance ESD Level (Human Body Model) Ratings 27 27 -0.3 ~ VCC+0.3V 150 -40 ~ + 105 -65 ~ + 150 260 160 2k Unit V V V /W V Caution: Stresses beyond the ratings in “Absolute maximum ratings” may cause permanent damage to the device. This is a stress only rating and operation of device at these or any other conditions above those indicated in the operational sections of this specification is not limited. Electrical Characteristics Parameter Test Conditions VCC=5V, -40 ~105 Total Supply Current (No Load) VCC=27V, -40 ~105 (VCC=+5V, TA=+25 unless otherwise stated) Parameter OP-Amp1 & OP-Amp2 Input Offset Voltage (Common mode Voltage=0V) Input Offset Voltage Drift Input Bias Current (OP1) Test Conditions 25 -40 ~105 25 25 Input Bias Current (OP2) -40 ~105 VCC=15V, VO=2V Output Source Current Differential Input Voltage=1V VCC=15V, VO=2V Differential Input Voltage=-1V Output Sink Current VCC=15V, VO=0.2V Differential Input Voltage=-1V Output Short Current VCC=15V VCC=27V, RL=2k , 25 VCC=27V, RL=2k , -40 ~105 Output Voltage – High Level VCC=27V, RL=10k , 25 VCC=27V, RL=10k , -40 ~105 RL=10k , 25 Output Voltage – Low Level RL=10k , -40 ~105 Common mode Voltage=0V Large Signal Voltage Gain (OP1) VCC=15V, RL=2k VO=1.4V~11.4V, -40 ~105 VCC=15V, RL=2k , VO=1.4V~11.4V, 25 Large Signal Voltage Gain (OP2) VCC=15V, RL=2k , VO=1.4V~11.4V, -40 ~105 VIN=0.5V~2V, VCC=15V Slew Rate at Unity Gail RL=2k , CL=100pF, Unity Gain Supply Voltage Rejection Ratio Common mode Voltage=0V, VCC=5~27V Gain Bandwidth Product VCC=27V, RL=2k , CL=100pF, f=100kHz, VIN=10mV VCC=27V, RL=2k , CL=100pF Total Harmonic Distortion VO=2VPP, f=1kHz, AV=20dB http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A Min Typ Max Unit - 0.7 - 1.2 2 mA Min Typ Max Unit - 1 7 20 20 - 4 5 150 200 20 40 - mA 10 - - mA 12 50 - A 23 23 24 24 - 40 24 25 5 - 60 20 20 mA - 100 - V/mV 50 25 100 - - V/mV 0.2 0.4 - V/ S 65 0.5 100 0.9 - dB MHz - 0.02 - % mV V/ nA nA V mV Any changing of specification will not be informed individual Page 2 of 4 SPW8103S Elektronische Bauelemente Dual OP-AMP and 2.5V± 0.7% Voltage Reference OP-Amp2 0 0 70 60 - 2 85 50 75 150 VCC-1.5 VCC-2 - Reference Voltage (IK=10mA) 1 2.482 2.465 2.500 2.500 100 2.518 2.535 mA 25 -40 ~105 Reference Input Voltage Deviation Over Temperature Range(IK=10mA) -40 (UVLO) ~105 - 7 30 mV - 0.5 1 mA - 0.2 0.5 Input Offset Current Input Common Mode Voltage Range Common Mode Rejection Ratio Equivalent Input Noise Voltage Reference Voltage Cathode Current 25 -40 ~105 VCC=27V, 25 VCC=27V, -40 ~105 25 -40 ~105 f=1kHz, RS=100 ,VCC=27V Minimum Cathode Current for Regulator Dynamic Impedance ht tp://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A IK=1~100mA, f<1kHz - - nA V dB nV/ Hz V Any changing of specification will not be informed individual Page 3 of 4 SPW8103S Dual OP-AMP and 2.5V± 0.7% Elektronische Bauelemente Voltage Reference Application Information—CC/CV Control for Switching Adapters http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A Any changing of specification will not be informed individual Page 4 of 4