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Differentiate uPC2933, 2905 and uPC2933A, 2905A, uPC2933B and 2905B?

Latest Updated:12/01/2009

Question:

What are the differences among the uPC2933, 2905, and uPC2933A, 2905A, uPC2933B, and 2905B?

Answer:

The major differences are shown in the table below.
For the other differences and details, refer to the Data Sheet of each product.

Parameter Condition uPC2933/2905 uPC2933A/2905A uPC2933B/2905B Unit
Output voltage(VO)accuracy IO=0.5A ±4 ±3.5 ±2 %
Input voltage (VIN) Maximum rating 20 20 16 V
Quiescent current(IBIAS) IO=0mA,TYP. 2.0/2.2 2.0/2.2 1.8 mA
Output ancillary capacitor   47 47 10 uF
Ripple rejection (R•R) f=120Hz 64/61 64/61 58/57 dB
Suitable Products
Power Management Linear