bd9324efj ROHM Co. Ltd., bd9324efj Datasheet - Page 7

• Manufacturer Part Number: bd9324efj
• Description: Simple Step-down Switching Regulator With Integrated Compensation
• Manufacturer: ROHM Co. Ltd.

V
V
I
I
OUT
OUT
OUT
OUT
(VIN= 12V V
(VIN= 12V V
V
V
OUT
OUT
Fig. Transient Response
Fig. Transient Response
-MAX: +120mV
OUT
-MIN: -100m V
OUT
= 3.3V L= 10uH Cout =22uF Iout= 0.2-1.0A )
= 3.3V L= 10uH Cout =22uF Iout= 0.2-3.0A)
V
V
V
I
OUT
OUT
OUT
OUT
: 1.0 A / Div
: 200 mV / Div
-MAX: +520mV
-MIN: -240mV
V
I
OUT
EN
OUT
I
OUT
: 1.0 A / Div
V
OUT
(VIN= 12V V
: 100 mV / Div
Fig. Start Up waveform
OUT
= 3.3V L= 22uH C
7/13
V
V
I
I
OUT
OUT
OUT
OUT
SS
I
OUT
= 0.1uF Iout= 0A)
V
: 1.0A / Div
(VIN= 12V V
OUT
: 1.0V / Div
Fig. Output Ripple Voltage
OUT
(VIN= 12V V
Fig. Output Ripple Voltage
= 3.3V L= 10uH Cout =22uF I out= 1.0A )
OUT
= 3.V L= 10uH Cout =22uF Io=3.0A )
V
V
I
OUT
OUT
OUT
: 1.0 A / Div
: 10.0 mV / Div
: 10.0 mV / Div
I
OUT
: 1.0 A / Div
Δ:29.8 mV
Δ: 20.8 mV