Datasheet LT1635 (Analog Devices) - 10

LT1635
U TYPICAL APPLICATIO S Low Voltage Regulator Best Regulation
C1 VIN > 6V 0.01µF 2 – 7 R1 VIN >3.2V 28k 6 LT1635 VOUT 3 + 5V 4 8 2 – 7 1 6 VOUT LT1635 R2 3 3V + 4 R2 48k 8 2k + 1 OPTIONAL* R1 2k 1635 TA04 *USE ELECTROLYTIC OUTPUT CAPACITORS 1635 TA03
2-Terminal Current Regulator Shunt Regulator
+ (R2 + R3)V C1* REF IOUT = 0.01µF (R1)(R3) 2 – 7 6 R2 + LT1635 V ( ) OUT = 1 + R2 VREF 3 + 4 R1 1 2 – 7 R1 8 6 LT1635 3 + 4 R2 R3 R1 1 – 1635 TA05 8 – *REQUIRED FOR CAPACITIVE LOADING 1635 TA06
Negative Regulator 6V Battery-Level Indicator
GROUND + + C1 R1 R3 R4 R2 2 – 47µF 680k 680k 1.5k 49.9k 7 ELECT 1% 6 LT1635 VOUT 3 + – 5V – 4 2 D1 7 8 6 1 LT1635 Q1 3 + 4 R2 2N3904 8 12k 1 R1 2k – 1% V 1635 TA08 IN ≤ – 5.5V LED DIMS BELOW 7V 1635 TA07 10