SNVA406C May   2010  – January 2022 LM27402

 

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10 Bill of Materials

DesignatorTypeParametersPart NumberQtyManufacturer
U1Synchronous Buck ControllerLM27402S1Texas Instruments
CbCapacitor0.22 µF, Ceramic, X7R, 25 V, 10%GRM188R71E224KA88D1Murata
Cc1Capacitor3900 pF, Ceramic, X7R, 50 V, 10%GRM188R71H392KA01D1Murata
Cc2Capacitor150 pF, Ceramic, C0G, 50 V, 5%GRM1885C1H151JA01D1Murata
Cc3Capacitor820 pF, Ceramic, C0G, 50 V, 5%GRM1885C1H821JA01D1Murata
CddCapacitor1 µF, Ceramic, X5R, 25 V, 10%GRM188R61E105KA12D1Murata
CinCapacitor1 µF, Ceramic, X5R, 25 V, 10%GRM188R61E105KA12D1Murata
Cin1–Cin5Capacitor22 µF, Ceramic, X5R, 25 V, 10%GRM32ER61E226KE15L5Murata
Co1–Co4Capacitor100 µF, Ceramic, X5R, 6.3 V, 20%C1210C107M9PACTU4Kemet
CsCapacitor0.22 µF, Ceramic, X7R, 25 V, 10%GRM188R71E224KA88D1Murata
CsbCapacitor1000 pF, Ceramic, X7R, 50 V, 10%GRM188R71H102KA01D1Murata
CssCapacitor47000 pF, Ceramic, X7R, 16 V, 10%GRM188R71C473KA01D1Murata
CsyCapacitor100 pF, Ceramic, C0G/NP0, 50 V, 5%GRM1885C1H101JA01D1Murata
DddDiodeSchottky Diode, Average I = 100 mA, Max Surge I = 750 mACMOSH-31Central Semi
DswDiodeSchottky Diode, Average I = 3 A, Max Surge I = 80 ACMSH3-40M1Central Semi
LoutInductor0.68 µH, 2.34 mΩIHLP5050CEERR68M061Vishay
QL1N-CH MOSFET30 V, 60 A, 43.5 nC, RDS(ON) at 4.5 V = 1.85 mΩSi7192DP1Vishay
QT1N-CH MOSFET25 V, 40 A, 13 nC, RDS(ON) at 4.5 V = 6.2 mΩSiR436DP1Vishay
R50Resistor49.9 Ω, 1%, 0.1WCRCW060349R9FKEA1Vishay
Rc1Resistor8.06 kΩ, 1%, 0.1WCRCW06038k06FKEA1Vishay
Rc2Resistor261 Ω, 1%, 0.1WCRCW0603261RFKEA1Vishay
RfResistor45.3 kΩ, 1%, 0.1WCRCW060345k3FKEA1Vishay
Rfb1Resistor20.0 kΩ, 1%, 0.1WCRCW060320k0FKEA1Vishay
Rfb2Resistor13.3 kΩ, 1%, 0.1WCRCW060313k3FKEA1Vishay
RinResistor2.2 Ω, 5%, 0.1WCRCW06032R20JNEA1Vishay
RpgResistor51.1 kΩ, 1%, 0.1WCRCW060351k1FKEA1Vishay
RsResistor1.3 kΩ, 1%, 0.1WCRCW06031k30FKEA1Vishay
Rs1Resistor6.34 kΩ, 1%, 0.1WCRCW06036k34FKEA1Vishay
Rs3Resistor750 Ω, 1%, 0.1WCRCW0603750RFKEA1Vishay
RsbResistor1.0 Ω, 1%, 0.125WCRCW08051R00FNEA1Vishay
RtcResistor5.6 kΩ, 1%, 4110 ppm/°CTFPT1206L5601F1Vishay
GND IN, GND OUT, VOUT, VINPower Terminal32674Panoma
VDD, PGD, SS/TK, SYNC, Rx, TxTurret Terminal50026Keystone