TSM1052 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TSM1052

Constant voltage and constant current controller for battery chargers and adapters

STMicroelectronics

'TSM1052' PDF : 15 Pages View PDF

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Typical characteristics
3
Typical characteristics
TSM1052
Figure 3. Vref vs. ambient temperature
Vcc=18V
Vcc=5V
Vcc=1.7V
Figure 4. VSENSE vs. ambient temperature
Vcc=18V
Vcc=5V
Vcc=1.7V
1.230
1.220
1.210
1.200
1.190
-20
0
20
40
60
80
100
Temp ( °C )
208
206
204
202
200
198
196
194
192
-20
0
20
40
60
Temp ( °C )
80
100
Figure 5. VSENSE pin input bias current vs.
ambient temperature
Figure 6. ICTRL pin input bias current vs.
ambient temperature
Vcc=18V
Vcc=5V
Vcc=1.7V
Vcc=18V
Vcc=5V
Vcc=1.7V
50
40
30
20
10
0
-20
0
20
40
60
Temp ( °C )
80
100
15
14
13
12
11
10
-20
0
20
40
60
80
100
Temp ( °C )
Figure 7. Tranconductance (sink current only) Figure 8. Tranconductance (sink current only)
of voltage control loop Op-Amp vs.
of current control loop Op-Amp vs.
ambient temperature
ambient temperature
Vcc=18V
Vcc=5V
Vcc=1.7V
Vcc=18V
Vcc=5V
Vcc=1.7V
18
16
14
12
10
8
6
4
2
0
-20
0
20
40
60
Temp ( °C )
80
100
20
15
10
5
0
-20
0
20
40
60
Temp ( °C )
80
100
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