U2402BCFL, U2402BCFLG3, U2403B Selling Leads, Datasheet
MFG:tfk Package Cooled:tfk D/C:dc96
U2402BCFL, U2402BCFLG3, U2403B Datasheet download
Part Number: U2402BCFL
MFG: tfk
Package Cooled: tfk
D/C: dc96
U2402BCFL, U2402BCFLG3, U2403B
- Table of contents:
Info of U2402BCFL
Info of U2402BCFLG3
Info of U2403B
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About U2400B
PDF/DataSheet Download
Datasheet: U2400B
File Size: 906960 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
About U2400B
PDF/DataSheet Download
Datasheet: U2400B
File Size: 906960 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
About U2403B
PDF/DataSheet Download
Datasheet: U2403B
File Size: 168446 KB
Manufacturer: TEMIC [TEMIC Semiconductors]
Download : Click here to Download
U2403B General Description
The U2403B is a monolithic, integrated-bipolar circuit which can be used in applications for time-controlled, constant-current charge. Selection of charge current versus timing is carried out by using the external circuit at Pins 2, 3 and 4. For high current requirement, an external transistor is recommended in series with the battery. To protect the IC against high power loss (typically > 140°C), the oscillator is shut down when the reference voltage is switched off (0 V). The latter also takes place when there is a saturation caused by collector voltage at Pin 1. When the overtemperature has disappeared and the collector voltage at Pin 1 has exceeded the supply voltage (V1 > VS), charge time operation continues (see flow chart in figure 3).
U2403B Maximum Ratings
|
Parameters/Conditions Pin |
Symbol |
Value |
Unit |
| Supply current Pin 6 t 100 s |
IS |
20 |
mA
|
|
iS |
200 |
mA | |
| Currents Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 8 |
I1
|
300
|
mA
|
|
I2 |
310 |
mA | |
|
I3 |
1 |
mA | |
|
I4 |
15 |
mA | |
|
I5 |
75 to +120 |
mA | |
|
I8 |
8 |
mA | |
| Voltages Pins 1, 3, 5, 6 and 8 Pin 2 Pin 4 |
V |
13.5 |
V |
|
V2 |
1.6 | ||
|
V4 |
1.5 | ||
| Storage temperature range |
Tstg |
-50 to +150 |
°C |
| Junction temperature |
Tj |
+150 |
°C |
| Ambient temperature range |
Tamb |
10 to 85 |
°C |
U2403B Features
` Easy-to-run autonomous dual rate charger
` Constant charge current
` 3 h 24 h charge time programmable
` Low cost dc regulator
` Overtemperature protection
` Charge-mode indication
` Operation starts at the moment of battery insertion
` Fast charge time-test mode
U2403B Typical Application
· Cordless telephones
· Low-cost battery-charge timer
· Entertainment
U2403B Connection Diagram
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