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TPS62402 Datasheet(PDF) 8 Page - Texas Instruments |
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TPS62402 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 43 page www.ti.com 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 PowerSaveMode MODE/DATA =0 ForcedPWMMode MODE/DATA =1 I mA OUT V =2.7V IN V =3.6V IN V =5V IN V =2.7V IN V =3.6V IN V =5V IN V =1.1V OUT1 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 PowerSaveMode MODE/DATA =0 ForcedPWMMode MODE/DATA =1 V =1.575V OUT1 I mA OUT V =2.7V IN V =5V IN V =3.6V IN V =2.7V IN V =3.6V IN V =5V IN TPS62400 ,, TPS62401 TPS62402, TPS62403 SLVS681D – JUNE 2006 – REVISED FEBRUARY 2007 TYPICAL CHARACTERISTICS (continued) FIGURE NO. TPS62401 DEF1_pin Function for Output Voltage Selection 27 Typical Operation VIN = 3.6V, VOUT1 = 1.575V, VOUT2 = 1.8V 28 Typical Operation VIN = 3.6V, VOUT1 = 1.8V, VOUT2 = 3.0V 29 Typical Operation VIN = 3.6V, VOUT1 = 1.2V, VOUT2 = 1.2V 30 VOUT1 Change With EasyScale 31 Dynamic Voltage Positioning 32 Soft Start 33 EasyScale™ Protocol Overview 34 EasyScale Protocol Without Acknowledge 35 EasyScale Protocol Including Acknowledge 36 EasyScale – Bit Coding 37 MODE/DATA PIN: Mode Selection 38 MODE/DATA Pin: Power Save Mode / Interface Communication 39 Typical Application Circuit 1.5V / 2.85V Adjustable Outputs, low PFM 40 voltage ripple optimized Typical Application Circuit 1.5V / 2.85V Adjustable Outputs 41 TPS62401 Fixed 1.575V/1.8 V Outputs, low PFM voltage ripple optimized 42 TPS62401 Fixed 1.1V/1.8 V Outputs, low PFM voltage ripple optimized 43 TPS62401 Fixed 1.575V/1.8 V Outputs 44 Dynamic Voltage Scaling on Vout1 Controlled by DEF_1 pin 45 TPS62403 1.575V/2.8V Outputs 46 Layout Diagram 47 PCB Layout 48 EFFICIENCY TPS62401 VOUT1 = 1.1V EFFICIENCY TPS62401 VOUT1 = 1.575V Figure 1. Figure 2. 8 Submit Documentation Feedback |
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