Product Summary

The LT1513CR is a 500kHz current mode switching regulator specially configured to create a constant- or programmable-current/constant-voltage battery charger. It is suitable for charging of nicd, nimh, lead-acid or lithium rechargeable cells, precision current limited power supply, constant-voltage/constant-current supply, transducer excitation and universal input ccfl driver.

Parametrics

Absolute maximum ratings: (1)Supply Voltage: 30V; (2)Switch Voltage: 40V; (3)S/S Pin Voltage: 30V; (4)FB Pin Voltage (Transient, 10ms): ±10V; (5)VFB Pin Current: 10mA; (6)IFB Pin Voltage (Transient, 10ms): ±10V.

Features

Features: (1)Charger Input Voltage May Be Higher, Equal to or Lower Than Battery Voltage; (2)Charges Any Number of Cells Up to 20V; (3)1% Voltage Accuracy for Rechargeable Lithium; (4)Batteries; (5)Battery Can Be Directly Grounded; (6)500kHz Switching Frequency Minimizes; (7)Inductor Size; (8)Charging Current Easily Programmable or Shut Down.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LT1513CR
LT1513CR


IC BATT CHRGR CONST/PROG I/V 7DD

Data Sheet

0-1350: $2.82
LT1513CR#PBF
LT1513CR#PBF


IC BATT CHRGR CONST/PROG I/V 7DD

Data Sheet

0-1: $5.65
1-25: $3.75
25-100: $2.83
LT1513CR#TR
LT1513CR#TR


IC BATT CHRGR CONST/PROG I/V 7DD

Data Sheet

0-1500: $2.89
LT1513CR#TRPBF
LT1513CR#TRPBF


IC BATT CHRGR CONST/PROG I/V 7DD

Data Sheet

0-750: $2.90