AP1520SG-13(2017) 데이터 시트보기 (PDF) - Diodes Incorporated.
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AP1520SG-13 Datasheet PDF : 9 Pages
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AP1520
Functional Description (Cont.)
VRIPPLE ΔIL ESR
The bulk capacitor’s ESR will determine the output ripple voltage and the initial voltage drop after a high slew-rate transient.
An aluminum electrolytic capacitor's ESR value is related to the capacitance and its voltage rating. In most case, higher voltage electrolytic
capacitors have lower ESR values. Most of the time, capacitors with much higher voltage ratings may be needed to provide the low ESR values
required for low output ripple voltage.
PCB Layout Guide
If you need low TC & TJ or large PD (Power Dissipation), the dual Output pins (5 & 6) and VSS pins (7 & 8) on the SO-8 package are internally
connected to die pad, the evaluation board should be allowed for maximum copper area at output pins.
1. Connect FB circuits as closely as possible and keep away from inductor flux for pure VFB.
2. Connect input capacitor to VCC and VSS pin as closely as possible to get good power filter effect.
3. Connect ROCSET to VCC and OCSET pin as closely as possible.
4. Connect ground side of the input capacitor & Schottky & output capacitor as closely as possible and use ground plane for best performance.
Ordering Information
AP1520 S X - 13
Package
S : SO-8
Green
L : Lead Free
G : Green
Packing
13 : Tape & Reel
Part Number
(Note 5)
Package Code
Package
(Note 6)
Green
Quantity
Part Number Suffix
13’’Tape and
Tube
reel
Status
(Note 5)
AP1520SG-13
S
SO-8
Green
2500
NA
-13
In production
Notes: 5. All Lead-Free variants are End of life without replacement.
6. For packaging details, go to our website at: https://www.diodes.com/design/support/packaging/diodes-packaging/diodes-package-outlines-and-pad-layouts/.
Marking Information (Note 5)
(1) SO-8
Logo
Part Number
( Top View )
8
5
AP1520
YYWWX X
1
4
L : Lead Free
G : Green
YY : Year : 08, 09,10~
WW : Week : 01~52; 52
represents 52 and 53 week
X : Internal Code
AP1520
Document number: DS31174 Rev. 6 - 2
7 of 9
www.diodes.com
December 2017
© Diodes Incorporated
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