10/17

BD8960NV

Datasheet

02.MAR.2012 Rev.001

www.rohm.com

TSZ02201-0J3J0AJ00010-1-2

©

ROHM Co., Ltd. All rights reserved.

TSZ22111･15･001

Information on Advantages

Advantage 1

：Offers fast transient response with current mode control system.

Voltage drop due to sudden change in load was reduced by about 50%.

Fig.22 Comparison of transient response

Advantage 2

： Offers high efficiency with synchronous rectifier

Utilizes the synchronous rectifying mode and the low on-resistance MOS FETs

incorporated as power transistor.

ON resistance of P-

channel MOS FET : 200mΩ(Typ.)

ON resistance of N-

channel MOS FET : 160mΩ(Typ.)

Advantage 3：・Supplied in smaller package due to small-sized power MOS FET incorporated.

Reduces a mounting area required.

Fig.24 Example application

DC/DC

Convertor

Controller

L

Co

Cin

10mm

15mm

L

Fig.23 Efficiency

110mV

=0.1A→0.6A)

=1A→2A)

・Output capacitor Co required for current mode control: 22μF ceramic capacitor

・Inductance L required for the operating frequency of 1 MHz: 2.2μH inductor

29mV

0

10

20

30

40

50

60

70

80

90

100

10

100

1000

10000

VCC=3.3V

Ta=25℃