PTB48510 Datasheet, PDF (6/13 Pages) Texas Instruments – Dual Complementary-Output DC/DC Converter for DSL

PTB48510B, PTB48511B
Dual Complementary-Output
DC/DC Converter for DSL
Typical Characteristics
SLTS219C - FEBRUARY 2004 - REVISED OCTOBER 2004
PTB4851xB Characteristic Data @V_IN =48 V (See Notes A)
Safe Operating Area PTB4851xB (See Note C)
Efficiency vs Load Current (See Note B)
100
90
80
70
60
50
0
0.5
1
1.5
2
2.5
3
|±I_OUT| (Balanced) A
Power Dissipation vs Load Current (See Note B)
12
10
8
6
4
2
0
0
0.5
1
1.5
2
2.5
3
|±I_OUT| (Balanced Load) A
Cross Regulation, ∆|+V_O| vs |–I_O|, with |+I_O| = 1 A
400
200
Balanced Load, V_IN =48 VDC (See Note B)
90
80
70
Airflow
60
400LFM
200LFM
100LFM
50
Nat conv
40
30
20
0
0.5
1
1.5
2
2.5
3
|±Iout| (A)
0
-200
-400
0
0.5
1
1.5
2
2.5
3
Load Current |–I_O| - A
Cross Regulation, ∆|–V_O| vs |+I_O|, with |–I_O| = 1 A
400
200
0
-200
-400
0
0.5
1
1.5
2
2.5
3
Load Current |+I_O| - A
Note A: Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the converter.
Note B: Under a balanced load, current flowing out of +V_o is equal to that flowing into –V_o.
Note C: SOA curves represent the conditions at which internal components are at or below the manufacturer’s maximum operating temperatures. Derating limits apply to
modules soldered directly to a 4 in. × 4 in. double-sided PCB with 1 oz. copper.
For technical support and further information visit http://power.ti.com