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Technical parameters

Key specs

TopologyBuck
Outputs1
Input voltage4.5 ~ 5.5 V
Switching frequency225 kHz ~ 1.65 MHz
Power
Voltage - Supply (Vcc/Vdd)4.5V ~ 5.5V
AC and DC characteristics
Frequency - Switching225kHz ~ 1.65MHz
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C ~ 125°C (TJ)
PackageTube
Package / Case20-VFQFN Exposed Pad
Supplier Device Package20-MLPQ (3x4)
Other
Base Product NumberIR3640
Clock SyncYes
Control FeaturesCurrent Limit, Enable, Frequency Control, Power Good, Sequencing, Soft Start
Duty Cycle (Max)92%
FunctionStep-Down
MfrInfineon Technologies
Number of Outputs1
Output ConfigurationPositive
Output Phases1
Output TypeTransistor Driver
Product StatusObsolete
Serial Interfaces-
Series-
Synchronous RectifierYes
TopologyBuck

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