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| SI9176_04 Datasheet, PDF (7/17 Pages) Vishay Siliconix – High Performance Step-Down DC-DC Converter With Adjustable Output Voltage | |||
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APPLICATIONS CIRCUIT
Si9176
Vishay Siliconix
BATT
CIN
C1
10 mF
C2
ENABLE
PWM/PSM/AUTO
VIN
VDD
LX
Si9176
PGND
SD
MODE
FB
REF
AGND
AGND
2.2 mH
COUT
4.7 mF
REF
VOUT
R1
R2
CIN = 10 mF, Ceramic, Murata GRM42-2X5R106K16
C1, C2 = 0.01 mF, Vishay VJ0603Y 104KXXAT
COUT = 4.7 mF, Ceramic, Murata GRM42-6X5R475K16
R1 = 8.2 kW, Vishay CRCW06031132F
R2 = 20 kW, Vishay CRCW06032002F
L1 = 2.2 mH, Toko A914BYW-2R2M
TYPICAL CHARACTERISTICS
VSDH
SD
VSDL
tr
tf
Document Number: 71753
S-41148âRev. C, 14-Jun-04
VOUT
ten
Undefined
(Load Dependent)
Time
d Indicates VOUT settles to $2% of the final value.
Figure 1. PWM Mode VOUT Settling
www.vishay.com
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