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SP6127EB Folha de dados(PDF) 6 Page - Sipex Corporation

Nome de Peças SP6127EB
Descrição Electrónicos  Evaluation Board Manual
PDF  8 Pages
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Fabricante Electrônico  SIPEX [Sipex Corporation]
Página de início  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6127EB Folha de dados(HTML) 6 Page - Sipex Corporation

  SP6127EB Datasheet HTML 1Page - Sipex Corporation SP6127EB Datasheet HTML 2Page - Sipex Corporation SP6127EB Datasheet HTML 3Page - Sipex Corporation SP6127EB Datasheet HTML 4Page - Sipex Corporation SP6127EB Datasheet HTML 5Page - Sipex Corporation SP6127EB Datasheet HTML 6Page - Sipex Corporation SP6127EB Datasheet HTML 7Page - Sipex Corporation SP6127EB Datasheet HTML 8Page - Sipex Corporation  
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6
R1
200k, 1%
R2
SP6127
VFB
RZ2
200k
CZ2
130pF
CP1
2pF
Error Amplif ier
Vref =0.6V
Vout
RZ
CZ
Figure 9- RZ and CZ in conjunction with internal
compensation components form a Type-III compensation
Loop Compensation for the SP6127EB
L = 3.3uH, C = 22uF/5mOhm ceramic capacitor
From equation (2) fESRZERO = 1.45MHz. From equation (3) fDBPOLE = 18.7 kHz. Since the
condition specified in (1) is not met, Type-III compensation has to be used by adding
external components RZ and CZ. Using equation (4) CZ is calculated 34pF (use 33pF).
Following the guideline given in table 1, a 2kOhm RZ was used.



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