Datasheet TMC828, TMC829 (Microchip) - 9
| 制造商 | Microchip |
| 描述 | Switched Capacitor Voltage Converters |
| 页数 / 页 | 26 / 9 — TCM828/TCM829. 3.0. PIN DESCRIPTION. TABLE 3-1:. PIN FUNCTION TABLE. … |
| 文件格式/大小 | PDF / 368 Kb |
| 文件语言 | 英语 |
TCM828/TCM829. 3.0. PIN DESCRIPTION. TABLE 3-1:. PIN FUNCTION TABLE. Symbol. Function. SOT-23
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TCM828/TCM829 3.0 PIN DESCRIPTION
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1: PIN FUNCTION TABLE TCM828/TCM829 Symbol Function SOT-23
1 OUT Inverting charge pump output 2 VIN Positive power supply input 3 C - 1 Commutation capacitor negative terminal 4 GND Ground 5 C + 1 Commutation capacitor positive terminal © 2010 Microchip Technology Inc. DS21488B-page 9 Document Outline 1.0 Electrical Characteristics 2.0 Typical Characteristics FIGURE 2-1: Output Resistance vs. Supply Voltage. FIGURE 2-2: Output Resistance vs. Temperature. FIGURE 2-3: TCM828 – Output Current vs. Capacitance. FIGURE 2-4: TCM829 – Output Current vs. Capacitance. FIGURE 2-5: TCM828 – Output Voltage Ripple vs. Capacitance. FIGURE 2-6: TCM829 – Output Voltage Ripple vs. Capacitance. FIGURE 2-7: Supply Current vs. Supply Voltage. FIGURE 2-8: TCM828 – Pump Frequency vs. Temperature. FIGURE 2-9: TCM829 – Pump Frequency vs. Temperature. FIGURE 2-10: Output Voltage vs. Output Current. FIGURE 2-11: Efficiency vs. Output Current. 3.0 Pin Description TABLE 3-1: Pin Function Table 4.0 Detailed Description FIGURE 4-1: Ideal Switched Capacitor Charge Pump. 5.0 APPLICATIONS INFORMATION FIGURE 5-1: Ideal Switched Capacitor Model. FIGURE 5-2: Equivalent Output Resistance. TABLE 5-1: Output Resistance vs. C1 (ESR = 0.1W) TABLE 5-2: Output Voltage Ripple vs. C2 (ESR = 0.1W) IOUT 10mA FIGURE 5-3: Test Circuit. FIGURE 5-4: Cascading TCM828 or TCM829 Devices to Increase Output Voltage. FIGURE 5-5: Paralleling TCM828 or TCM829 Devices to Reduce Output Resistance. FIGURE 5-6: Combined Doubler and Inverter. FIGURE 5-7: High V– Load Current. 6.0 Packaging Information 6.1 Package Marking Information FIGURE 6-1: Component Taping Orientation for 5-Pin SOT-23 (EIAJ SC-74A) Devices. Corporate Office Atlanta Boston Chicago Cleveland Fax: 216-447-0643 Dallas Detroit Kokomo Toronto Fax: 852-2401-3431 Australia - Sydney China - Beijing China - Shanghai India - Bangalore Korea - Daegu Korea - Seoul Singapore Taiwan - Taipei Fax: 43-7242-2244-393 Denmark - Copenhagen France - Paris Germany - Munich Italy - Milan Spain - Madrid UK - Wokingham Worldwide Sales and Service Trademarks Worldwide Sales
TCM828/TCM829 3.0 PIN DESCRIPTION
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1: PIN FUNCTION TABLE TCM828/TCM829 Symbol Function SOT-23
1 OUT Inverting charge pump output 2 VIN Positive power supply input 3 C - 1 Commutation capacitor negative terminal 4 GND Ground 5 C + 1 Commutation capacitor positive terminal © 2010 Microchip Technology Inc. DS21488B-page 9 Document Outline 1.0 Electrical Characteristics 2.0 Typical Characteristics FIGURE 2-1: Output Resistance vs. Supply Voltage. FIGURE 2-2: Output Resistance vs. Temperature. FIGURE 2-3: TCM828 – Output Current vs. Capacitance. FIGURE 2-4: TCM829 – Output Current vs. Capacitance. FIGURE 2-5: TCM828 – Output Voltage Ripple vs. Capacitance. FIGURE 2-6: TCM829 – Output Voltage Ripple vs. Capacitance. FIGURE 2-7: Supply Current vs. Supply Voltage. FIGURE 2-8: TCM828 – Pump Frequency vs. Temperature. FIGURE 2-9: TCM829 – Pump Frequency vs. Temperature. FIGURE 2-10: Output Voltage vs. Output Current. FIGURE 2-11: Efficiency vs. Output Current. 3.0 Pin Description TABLE 3-1: Pin Function Table 4.0 Detailed Description FIGURE 4-1: Ideal Switched Capacitor Charge Pump. 5.0 APPLICATIONS INFORMATION FIGURE 5-1: Ideal Switched Capacitor Model. FIGURE 5-2: Equivalent Output Resistance. TABLE 5-1: Output Resistance vs. C1 (ESR = 0.1W) TABLE 5-2: Output Voltage Ripple vs. C2 (ESR = 0.1W) IOUT 10mA FIGURE 5-3: Test Circuit. FIGURE 5-4: Cascading TCM828 or TCM829 Devices to Increase Output Voltage. FIGURE 5-5: Paralleling TCM828 or TCM829 Devices to Reduce Output Resistance. FIGURE 5-6: Combined Doubler and Inverter. FIGURE 5-7: High V– Load Current. 6.0 Packaging Information 6.1 Package Marking Information FIGURE 6-1: Component Taping Orientation for 5-Pin SOT-23 (EIAJ SC-74A) Devices. Corporate Office Atlanta Boston Chicago Cleveland Fax: 216-447-0643 Dallas Detroit Kokomo Toronto Fax: 852-2401-3431 Australia - Sydney China - Beijing China - Shanghai India - Bangalore Korea - Daegu Korea - Seoul Singapore Taiwan - Taipei Fax: 43-7242-2244-393 Denmark - Copenhagen France - Paris Germany - Munich Italy - Milan Spain - Madrid UK - Wokingham Worldwide Sales and Service Trademarks Worldwide Sales