YB1300 YOBON | Alldatasheet
Document overview
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Technical content
Features
Switched-Capacitor Step-Up Operation Input Range : 2.7V to 5.0V Output Voltage : 5V Output Current : 2.7VÙVINÖ3.2V, IOUTÙ30mA Output Current :3.2VÙVINÖ5V, IOUTÙ100mA Shutdown Mode Low Quiescent Current : ~30µA 1MHz Internal Oscillator Thermal Protection Shutdown Output Short-circuit Current Limit Protection Automatic Soft-Start Reduces In-Rush Current SOT23-6 Package
Applications
Cellular Phones White LED Drivers Smart Card Reader PCMCIA Cards Li-Ion Battery Backup Supplies VIN EN GND VOUT CP CN YB1300 1-Cell Li-Ion-Battery 2.2uF 0.22uF 2.2uF CIN CPUMP COUT R RRRR Figure 1. Typical application circuit
Regulated Char ge Pump 5V 100mA Pin Name Description 1 V OUT Regulated output voltage. VOUT should be bypassed with a low ESR capacitor for the best performance. 2 GND Ground pin. 3 EN 3V or above will turn on the IC. Below 0. 4V will put the chip in the shutdown mode. 4 CN Pumping capacitor negative terminal. 5 V IN Input supply voltage. VIN should be bypassed with a 2.2µF low ESR capacitor. 6 CP Pumping capacitor positive terminal. Pin Configuration Pin Description Table 1
Ordering Information
Figure 2. Pin configuration
Regulated Char ge Pump 5V 100mA Symbol Function Parameter Test Conditions Min Typ Max Units VIN Input Voltage 2.7 5.0 V VOUT Output Voltage 3.2VÙVINÖ5V, IOUTÙ100mA 4.7 5.0 5.3 V IOUT Output Current V IN=3V 100 mA ISC Output Current (short-circuit) V IN=3.2V 210 mA FOSC Oscillator Frequency 1 MHz η Efficiency I OUT =20mA, VIN=2.7V 88 % VR Ripple Voltage V IN=3.0V, IOUT =100mA 50 mVpp VIH Enable Control (High) Vin=3.3V to 5.0V 3 V IN V VIL Enable Control (Low) Vin=3.3V to 5.0V -0.2 0.4 V TST Thermal Shutdown Shutdown Temperature ~160 Ċ TRT Thermal Recovery Recovery Temperature ~140 Ċ IQC Supply Current (Quiescent) I OUT =0mA ~30 µA ISD Supply Current (Shutdown) V IN =2.7-5.0V, Enable=0V ~0.0 µA Absolute Maximum Ratings
Electrical Characteristics
Note: At TA=25Ċ, VIN=3.2V, IOUT=10mA, CIN=COUT=2.2µF, CPUMP=0.22µF, VENABLE=VIN, unless otherwise noted.
Regulated Char ge Pump 5V 100mA Typical Characteristics At TA=25Ċ, VIN=3.2V, IOUT=10mA, CIN=COUT=2.2µF, CPUMP=0.22µF, VENABLE=VIN, unless otherwise noted. 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 0 20 40 60 80 100 120 Output Current (mA) Output Voltage (V) Fig3. Load Regulation 100 11 0 1 0 0 Output Current (mA) Efficiency (%) Fig4. Efficiency 100 0 20 40 60 80 100 120 Load Current (mA) Output Ripple (mV) Fig5. Output Current vs. Output Ripple 100 120 140 160 180 200 220 2.5 3 3.5 4 4.5 5 5.5 Supply Voltage (V) Short-Circuit Current (mA) Fig6. Short-Circuit Current vs. Supply Voltage Fig7. Output Ripple VIN=3.6V, IOUT=60mA, COUT=2.2µF, CPUMP=0.22µF Fig8. Start-Up Time and In-Rush Current VIN=3.0V, IOUT=0mA, COUT=2.2µF VIN=4.2V VIN=3.0V VIN=3.4V VIN=3.6V TA=25Ċ CPUMP=0.22µF COUT=2.2µF CN VOUT VIN=4.2V VIN=3.0V VIN=3.4V VIN=3.6V TA=25Ċ CPUMP=0.22µF COUT=2.2µF VIN=4.2V VIN=3.0V VIN=3.4V VIN=3.6V TA=25Ċ CPUMP=0.22µF COUT=2.2µF VIN=2.7V VIN=2.7V VIN=2.7V
Figure 9. Block Diagram the YB1300 switching technique. caused by high temperature conditions.
Regulated Char ge Pump 5V 100mA
Application Information
Regulated Char ge Pump 5V 100mA Notes: 1. Dimension D1 & E1 does not include mold protrusion. 3. general physical outline spec is refer to TMC’s final visual inspection spec unless otherwise specified.