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SRAH-02C50X Datasheet

  • SRAH-02C50X

  • NON-ISOLATED DC/DC CONVERTERS

  • 6頁(yè)

  • BEL   BEL

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NON-ISOLATED DC/DC CONVERTERS
3.0 Vdc - 3.6 Vdc Input
5.0 Vdc/1.5 A Output
xRAH-02C50x
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Non-Isolated
High Efficiency
RoHS Compliant
鈥?/div>
Rev.A
Fixed Frequency (550 kHz)
Low Profile Package
Trim Function (Option)
鈥?/div>
Allows Burst Mode Operation at
Low Load Currents for xRAH-
02C500, Burst Mode Operation
Disabled for Lower Output Ripple
at Light Loads for xRAH-02C50B
UL60950-1 Recognized (UL/cUL)
Description
The Bel xRAH-02C50x is a part of the low cost non-isolated dc/dc converter series. The modules use a SMD or
SIP package for ease of layout and space savings. The output is closely regulated and the efficiency is typically
87% at full load.
Part Selection
Output
Voltage
5.0 Vdc
Input Voltage
3.0 Vdc - 3.6 Vdc
Max. Output
Current
1.5 A
Max. Output
Power
7.5 W
Typical
Efficiency
87%
Part Number
Surface Mount
SRAH-02C50x
Part Number
Vertical Mount
VRAH-02C50x
Notes:
1. Add 鈥?鈥?suffix at the end of the model number to indicate 鈥淭ube Packaging鈥? and 鈥淩鈥?for 鈥淩eel
Packaging鈥? and 鈥淕鈥?for 鈥淭ray Packaging鈥?
2. Replace 鈥渪鈥?with 鈥?鈥?to allow burst mode operation at low load currents, or with 鈥淏鈥?to disable burst
mode operation at light loads.
3. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
Absolute Maximum Ratings
Parameter
Input Voltage (continuous)
Ambient Temperature
Storage Temperature
Min
2.8 V
-40
擄C
-40
擄C
Typ
-
-
-
Max
4.0 V
85
擄C
125
擄C
Notes
Input Specifications
Parameter
Input Voltage
Input Current
Input Reflected Ripple Current
(rms)
Input Reflected Ripple Current
(pk-pk)
I t Inrush Current Transient
Turn-on Voltage Threshold
2
Min
3.0 V
-
-
-
-
-
Typ
-
-
30 mA
100 mA
0.02 A s
2.8 V
2
Max
3.6 V
3.3 A
60 mA
150 mA
0.05 A s
2.9 V
2
Notes
With simulated source impedance
of 500 nH, 5 Hz to 20 MHz; Use
one 270 uF/16 V capacitor with
ESR = 0.018 ohm max. at 100 kHz
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
鈥?/div>
Tel 201-432-0463
鈥?/div>
Fax 201-432-9542
鈥?/div>
www.belfuse.com

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