NCP1575D ON Semiconductor, NCP1575D Datasheet - Page 15

• Manufacturer Part Number: NCP1575D
• Description: IC CTLR SYNCH BUCK LV 8-SOIC
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of NCP1575D

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: Adj to 0.98V
• Frequency - Switching: 200kHz, programmable
• Voltage - Input: 9 ~ 20 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Layout Considerations
1. The fast response time of V
2. The COMP capacitor should be connected via its
the IC’s sensitivity to noise on the V
Fortunately, a simple RC filter, formed by the
feedback network and a small capacitor (100 pF
works well) placed between V
out most noise and provides a system practically
immune to jitter. This capacitor should be located
as close as possible to the IC.
own path to the IC ground. The COMP capacitor
is sensitive to the intermittent ground drops caused
2
technology increases
FB
and GND filters
FB
line.
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NCP1575
15
3. The V
4. The IC should not be placed in the path of
by switching currents. A separate ground path will
reduce the potential for jitter.
should be located as close as possible to the IC.
This capacitor’s connection to GND must be as
short as possible. A 10 W resistor should be placed
close to the V
switching currents. If a ground plane is used, care
should be taken by the designer to ensure that the
IC is not located over a ground or other current
return path.
CC
bypass capacitor (0.1 mF or greater)
CC
pin.