Datasheet LTC3105 (Analog Devices) - 7

LTC3105
BLOCK DIAGRAM (Pin Numbers for DFN Package Only)
L1 10µH 7 SHUTDOWN SW OR WELL SLEEP CONTROL AUX 10 CAUX SHORT 1µF CONTROL VIN V LOW VOLTAGE OUT 1.6V TO 225mV 6 9 START-UP CURRENT 5.25V TO 5V C ADJUST C IN OUT 10µF 10µF LDO SHUTDOWN VAUX 2 VCC – + – + CLDO 4.7µF 10µA MPPC 5 – PEAK CURRENT gm LIMIT R VIN + MPPC SHUTDOWN VCC VALLEY CURRENT LIMIT + – SLEEP 2M LOGIC R3 R1 SHDN USER SHUTDOWN BURST FBLDO 4 1.004V CONTROL 3 – FB 1 VIN + 1.004V PGOOD 8 – R4 R2 VAUX VCC FB + 0.9V EXPOSED PAD SLEEP 11 3105 BD 3105fb For more information www.linear.com/LTC3105 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Related Parts