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NON-ISOLATED DC/DC CONVERTERS
8.3 Vdc - 14 Vdc Input
0.75 Vdc - 5.5 Vdc/6 A Output
Output Specifications (continued)
Parameter
Min
Typ
Max
Notes
Transient Response
50% ~ 100% Max Load
-
200 mV
-
di/dt=2.5 A/uS; Vin=12 V;
Settling Time
100% ~ 50% Max Load
Settling Time
V O =
0.75 - 5.5 V
-
-
-
50 uS
200 mV
50 uS
-
-
-
and with 10 uF/10 V
tantalum capacitor & 1 uF/
10 V ceramic capacitor at the
output.
Note : All specifications are typical at nominal input (Vin=12 V), full load at 25 ° C unless otherwise stated.
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency
Vo=5.0 V
Vo=3.3 V
90%
87%
92%
89%
-
-
Vo=2.5 V
Vo=1.8 V
Vo=1.2 V
Vo=0.75 V
Switching Frequency
Over Temperature Shutdown
Output Trim Range (wide trim)
MTBF
85%
83%
79%
71%
250 kHz
-
0.7525 V
88%
86%
82%
74%
300 kHz
135 ° C
-
3,079,469 hours
-
-
-
-
350 kHz
-
5.5 V
Measured at Vin=12 V, full load
Calculated Per Bell Core SR-332 (I O =
Nominal; T a = 25 ° C)
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
0.8 x 0.45 x 0.251
20.32 x 11.42 x 6.38
Weight
-
3g
-
Note : All specifications are typical at 25 ° C unless otherwise stated.
Control Specifications
Parameter
Signal Low (Unit Off)
Signal High (Unit On)
Signal Low (Unit On)
Signal High (Unit Off)
Sequencing Voltage
Sequencing Slew Rate Capability
Sequencing Delay Time
Min
-0.3 V
2.5 V
-0.3 V
2.5 V
0V
-
10 mS
Typ
-
-
-
-
-
-
-
Max
0.4 V
14 V
0.4 V
14 V
Vin
2 V/mS
-
Notes
SRBA-06A2A0; Remote On/Off pin open, Unit
on.
SRBA-06A2AL; Remote On/Off pin open, Unit
on.
Sequencing Voltage applied on SEQ pin
should be higher than output voltage.
Delay from Vin, min to application of voltage
on SEQ pin
Tracking Accuracy
Power-Up
Power-Down
-
-
100 mV
200 mV
200 mV
400 mV
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 ? Tel 201-432-0463 ? Fax 201-432-9542 ? www.belfuse.com
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