Datasheet LT3650-4.1, LT3650-4.2 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | High Voltage 2 Amp Monolithic Li-Ion Battery Charger |
| Pages / Page | 22 / 8 — block DiagraM. TIMER. OSC. RIPPLE. COUNTER. CONTROL LOGIC |
| File Format / Size | PDF / 282 Kb |
| Document Language | English |
block DiagraM. TIMER. OSC. RIPPLE. COUNTER. CONTROL LOGIC
Model Line for this Datasheet
- LT3650EDD-4.1#PBF LT3650EDD-4.1#TRPBF LT3650EDD-4.2#PBF LT3650EDD-4.2#TRPBF LT3650EMSE-4.1#PBF LT3650EMSE-4.1#TRPBF LT3650EMSE-4.2#PBF LT3650EMSE-4.2#TRPBF LT3650IDD-4.1#PBF LT3650IDD-4.1#TRPBF LT3650IDD-4.2#PBF LT3650IDD-4.2#TRPBF LT3650IMSE-4.1#PBF LT3650IMSE-4.1#TRPBF LT3650IMSE-4.2#PBF LT3650IMSE-4.2#TRPBF
Text Version of Document
LT3650-4.1/LT3650-4.2
block DiagraM
125°C + – CLP STANDBY T + DIE – UVLO 4.6V + – 50mV BOOST OVLO + – 35V VIN + 10mΩ R TIMER 0.2V LATCH – – + S Q 30mV OSC 1MHz +
TIMER
–
OSC.
SW VC RS SENSE – C-EA STANDBY RS BAT
RIPPLE
+
COUNTER
OFFSET COUNT – + RESET COUNT – 0.3V V-EA + RESET COUNT ITH ENABLE MODE 10 × RS RNG/SS (TIMER OR C/10) CHRG
CONTROL LOGIC
TERMINATE FAULT SS RESET SSRESET 50µA STATUS – C/10 + 0.1V – PRECONDITION 1V 0.15V + 2.9V NTC – SHDN VINT x2.25 + 2.7V + – STANDBY 1.2V 1.36V 1.2V 4.2V* 4.1V** – – + 50µA + TERMINATE 0.29V NTC – + 1.3V * VBAT(FLT): 4.2V FOR LT3650-4.2, 4.1V FOR LT3650-4.1 ** VBAT(FLT) – ∆VRECHRG: 4.1V FOR LT3650-4.2, 4.0 FOR LT3650-4.1 0.7V 46µA 365042 BD 36504142fc 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
block DiagraM
125°C + – CLP STANDBY T + DIE – UVLO 4.6V + – 50mV BOOST OVLO + – 35V VIN + 10mΩ R TIMER 0.2V LATCH – – + S Q 30mV OSC 1MHz +
TIMER
–
OSC.
SW VC RS SENSE – C-EA STANDBY RS BAT
RIPPLE
+
COUNTER
OFFSET COUNT – + RESET COUNT – 0.3V V-EA + RESET COUNT ITH ENABLE MODE 10 × RS RNG/SS (TIMER OR C/10) CHRG
CONTROL LOGIC
TERMINATE FAULT SS RESET SSRESET 50µA STATUS – C/10 + 0.1V – PRECONDITION 1V 0.15V + 2.9V NTC – SHDN VINT x2.25 + 2.7V + – STANDBY 1.2V 1.36V 1.2V 4.2V* 4.1V** – – + 50µA + TERMINATE 0.29V NTC – + 1.3V * VBAT(FLT): 4.2V FOR LT3650-4.2, 4.1V FOR LT3650-4.1 ** VBAT(FLT) – ∆VRECHRG: 4.1V FOR LT3650-4.2, 4.0 FOR LT3650-4.1 0.7V 46µA 365042 BD 36504142fc 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
