
ELECTRICAL CHARACTERISTICS CURVES
| Copper | Strip | 
 | 
 | 
| Vo(+) | 
 | 
 | 
 | 
| 10u | 1u | SCOPE | RESISTIVE | 
| 
 | LOAD | ||
| 
 | 
 | 
 | |
| 
 | 
 | 
 | 
Figure 9: Output voltage noise and ripple measurement test setup. Scope measurement should be made using a BNC cable (length shorter than 20 inches). Position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module.
| (V) | 14.0 | 
 | 
 | 
 | 
 | 
 | 
| VOLTAGE | 12.0 | 
 | 
 | 
 | 
 | 
 | 
| OUTPUT | 10.0 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 8.0 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 6.0 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 4.0 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 2.0 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | 
 | Vin=48V | 
 | 
 | 
 | 
| 
 | 0.0 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 0.0 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 
LOAD CURRENT (A)
Figure 11: Output voltage vs. load current showing typical current limit curves and converter shutdown points.
Figure 10: Output voltage ripple at nominal input voltage and
rated load current (20 mV/div). Load capacitance: 1µF ceramic
capacitor and 10µF tantalum capacitor. Bandwidth: 20 MHz.
5
DS_s48SS12001_06082006
