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LTC3523EUD-2-PBF Datasheet(PDF) 7 Page - Linear Technology |
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LTC3523EUD-2-PBF Datasheet(HTML) 7 Page - Linear Technology |
7 / 16 page LTC3523/LTC3523-2 7 3523fb BLOCK DIAGRAM 16 SHDN1 VIN 1.8V TO 5.5V 2 + PWM LOGIC AND DRIVERS SHUTDOWN AND VBIAS ANTI-RING L1 4.7μH VIN1 3 PGOOD1 15 10 VBAT 9 VIN2 SW1 VOUT CIN 47μF CC2 COUT 10μF VOUT STEP-UP 1.8V TO 5.25V VOUT STEP-DOWN 0.615V TO 5.5V 1.2V R1 R2 COUT 10μF R4 R3 MODE gm ERROR AMPLIFIER ZERO CURRENT COMP CC1 RZ CC1 GND3 RZ 5 4 FB1 STEP-UP STEP-DOWN SHARED MODE 1 SW2 0.66V GND2 L2 4.7μH 8 FB2 3523 BD BULK CONTROL SIGNALS CURRENT SENSE IZERO COMP SHDN MODE OSC SLP + + PWM/ILIM COMP PWM/ILIM COMP ILIM REF SLOPE COMPENSATION PWM LOGIC AND DRIVERS VOUT LIMIT COMP MODE OSC ILIM REF 0A SHUTDOWN AND VBIAS SHDN + – + + SLP + – 1.2V –9% FB1 OSC 0.6V 1.2V 1V SLP + – + – + – – MODE MODE START-UP SOFT-START AND THERM REG gm ERROR AMPLIFIER MODE START-UP SOFT-START AND THERM REG OSCILLATOR REFERENCE THERMAL SHDN 11 PGOOD2 13 14 SHDN2 0.6V –9% FB2 + – SLOPE COMPENSATION + – 0.6V 12 GND2 7 GND1 6 |
Similar Part No. - LTC3523EUD-2-PBF |
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