TSM1051 STMicroelectronics, TSM1051 Datasheet
TSM1051
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TSM1051 Summary of contents
Page 1
... LOW EXTERNAL COMPONENT COUNT CURRENT SINK OUTPUT STAGE EASY COMPENSATION LOW AC MAINS VOLTAGE REJECTION DESCRIPTION TSM1051 is a highly integrated solution for SMPS applications requiring CV (constant voltage) and CC (constant current) mode. TSM1051 integrates one voltage reference, two operational amplifiers (with ORed outputs - common collectors), and a current sensing circuit ...
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... TSM1051 PIN DESCRIPTION SOT23-6 Pinout Name Pin # Type Vcc 6 Power Supply Gnd 2 Power Supply Vctrl 1 Analog Input Ictrl 4 Analog Input Out 3 Current Sink Output Vsense 5 Analog Input SO8 Pinout Name Pin # Type Vcc 2 Power Supply Gnd 8 Power Supply Vctrl 1 Analog Input ...
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... Tamb 0 < Tamb < 85°C Tamb 0 < Tamb < 85°C 4) Iout = 2.5mA Tamb 0 < Tamb < 85°C Tamb 0 < Tamb < 85°C Tamb 0 < Tamb < 85°C Tamb 0 < Tamb < 85°C TSM1051 Value Unit 2 Min Typ Max Unit 1 1 ...
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... Figure 2 : Typical Adapter or Battery Charger Application Using TSM1051 TSM1051 1.210V 200mV + Ictrl In the above application schematic, the TSM1051 is used on the secondary side of a flyback adapter (or battery charger) to provide an accurate control of voltage and current. The above feedback loop is made with an optocoupler. 4/9 Vcc 1.210V ...
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... Figure 7 : Ictrl pin input bias current vs Ambient Temperature 100 120 0 Figure 8 : Supply current vs Ambient Temperature 1,6 1,4 1,2 1,0 0,8 0,6 0,4 0,2 0,0 80 100 120 TSM1051 Vcc=5V Vcc=2,5V Vcc=12V 100 Ta ambient temperature (°C) Vcc=2,5V Vcc=12V Vcc=5V Victrl=200mV 100 Ta ambient temperature (°C) Vcc=12V Vcc=5V Vcc=2, ...
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... V/I output-power graph. Figure 9 : Output voltage versus output current Vout amplifier, the eq2 TSM1051 Vcc : independent power supply eq2’ Secondary current regulation 0 2. Compensation The voltage-control trans-conductance operation- al amplifier can be fully compensated. Both of its ...
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... Since the Absolute Max- imum Rating of the TSM1051 supply voltage this low-cost auxiliary power supply can only be used in applications where the regulated line volt- age does not exceed 7 V ...
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... PACKAGE MECHANICAL DATA 6 PINS - PLASTIC PACKAGE SOT23-6 Dimensions Min 0.9 B 0.35 c 0.09 D 2 2.6 L 0.1 0 Millimeters Typ. Max. 1.45 0.15 1.3 0.5 0.2 3 1.75 0.95 3 0.6 10 deg. TSM1051 Inches Min. Typ. Max. 0.035 0.057 0 0.006 0.035 0.0512 0.0137 0.02 0.004 0.008 0.11 0.118 0.059 0.0689 0.0374 0.102 0.118 0.004 0.024 0 10 deg. 8/9 ...
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... TSM1051 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC MICROPACKAGE (SO8) Dim. Min 0 0.65 b 0.35 b1 0. 4 3 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use ...