Datasheet LT1769 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Constant-Current/Constant-Voltage 2A Battery Charger with Input Current Limiting |
| Pages / Page | 16 / 7 — BLOCK DIAGRAM |
| File Format / Size | PDF / 243 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
Text Version of Document
LT1769
W BLOCK DIAGRAM
– UV UVOUT + + 7V 200kHz + OSCILLATOR 0.7V SHUTDOWN VCC + – V S SW BOOST – VCC R R Q + SW R + SLOPE COMPENSATION SW 1.5V VCC SPIN VBAT – PWM R SENSE S3 I C1 B1 + BAT GND + – + R2 CA1 R R S1 S2 – BAT R1 IPROG BAT R3 1k + 0VP – VA V V REF C CA2 – + 2.465V Ω V 75k REF gm = 0.64 100mV + CLP + CL1 – CLN COMP1 COMP2 1769 BD PROG (I I PROG)(RS2) BAT = RS1 I R C PROG 2.465V S2 ( )( ) PROG = RPROG RS1 (R R S3 = RS2) PROG 1769fa 7
W BLOCK DIAGRAM
– UV UVOUT + + 7V 200kHz + OSCILLATOR 0.7V SHUTDOWN VCC + – V S SW BOOST – VCC R R Q + SW R + SLOPE COMPENSATION SW 1.5V VCC SPIN VBAT – PWM R SENSE S3 I C1 B1 + BAT GND + – + R2 CA1 R R S1 S2 – BAT R1 IPROG BAT R3 1k + 0VP – VA V V REF C CA2 – + 2.465V Ω V 75k REF gm = 0.64 100mV + CLP + CL1 – CLN COMP1 COMP2 1769 BD PROG (I I PROG)(RS2) BAT = RS1 I R C PROG 2.465V S2 ( )( ) PROG = RPROG RS1 (R R S3 = RS2) PROG 1769fa 7
