LTC4011CFE#PBF Linear Technology, LTC4011CFE#PBF Datasheet - Page 19

• Manufacturer Part Number: LTC4011CFE#PBF
• Description: IC BATT CHARGER HIEFF 20TSSOP
• Manufacturer: Linear Technology

Specifications of LTC4011CFE#PBF

• Function: Charge Management
• Battery Type: Nickel Cadmium (NiCd), Nickel Metal-Hydride (NiMH)
• Voltage - Supply: 4.5 V ~ 34 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

applicaTions inForMaTion
A full-featured 2A LTC4011 application is shown in Figure 8.
FET-based PowerPath allows for maximum input voltage
range from the DC adapter. The inherent voltage ratings
of the V
of one to sixteen series nickel cells in this application,
governed only by the V
cussed. The application includes all average cell voltage
CELL
, V
ADAPTER
CDIV
FROM
12V
, SENSE and BAT pins allow charging
CC
overhead limits previously dis-
ADAPTER
FROM
12V
Figure 7. 3A NiMH Charger with Full PowerPath Control
0.1µF
Figure 6. Minimum 1A LTC4011 Application
FAULT
CHRG
TOC
READY
0.1µF
INFET
FAULT
CHRG
TOC
READY
0.033µF
and battery temperature sensing circuitry required for the
LTC4011 to utilize its full range of charge qualification,
safety monitoring and fast charge termination features.
LED D1 indicates valid DC input voltage and installed
battery, while LEDs D2 and D3 indicate charging. LED D4
indicates fault conditions. The grounded CHEM pin selects
the NiMH charge termination parameter set.
10µF
0.068µF
4.7µH
20µF
10µH
10µF
20µF
LTC4011

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