Unit Power Supply; Figure 110. Mt320 Unit Power Supply Block Diagram - Alcatel 1850 TSS-320 Technical Handbook

4.2.5 Unit Power Supply

Starting from station battery the following main power supply are generated:
– 1.2Vcc
– 1.5Vcc
– 1.8Vcc
– 3.3Vcc
– 2.5Vcc
The block diagram of the MATRIX unit power supply is reported in Figure 110.on page 169)
batt-A
F 5A
batt-B
F 5A
Vsens
batt+A
F 5A
batt+B
F 5A
Technical Handbook Common
Unit Descriptions
3.3VA
35A
Fuse A
Vsens
Fuse B
3.3VB
25A
1.2VA
25A
1.2VB
25A

Figure 110. MT320 unit power supply block diagram

3.3VA
step down
1.2VC
2.5V
16A
Lower Order MATRIX subassembly
step down
2.5V
16A
step down
1.5VB
5A
V. Reg.
2.5V
1.5A
V. Reg.
1.8V
1.5A
Asens
Vsens
Asens
Vsens
step down
1.5VA
16A
step down
1.8V
16A
1.2VA
Asens
Vsens
1.2VB
Asens
Vsens
Alcatel 1850 TSS-320 Rel. 1.1
8DG 07734 AAAA Edition 01
1.2VC
Asens
Vsens
2.5V
Asens
Vsens
1.5VB
Asens
Vsens
2.5Vreg
Vsens
1.8Vreg
Vsens
3.3VA
3.3VB
1.5VA
Asens
Vsens
1.8V
Asens
Vsens
169/270