MP1474
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High Efficiency, 2A, 16V, 500kHz Sync Step-Down Converter with PG in TSOT23-8 Package
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The MP1474 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a very compact solution to achieve a 2A continuous output current with excellent load and line regulation over a wide input supply range. The MP1474 has synchronous mode operation for higher efficiency over the output current load range. Current-mode operation provides fast transient response and eases loop stabilization. Full protection features include over-current protection and thermal shut down. The MP1474 requires a minimal number of readily-available standard external components, and is available in a space-saving 8-pin TSOT23 package.
Product Features
- Wide 4.5V-to-16V Operating Input Range
- 100mO/40mO Low RDS(ON) Internal Power MOSFETs
- High-Efficiency Synchronous Mode Operation
- Fixed 500kHz Switching Frequency
- Synchronizes from a 200kHz-to-2MHz External Clock
- Power-Save Mode at Light Load
- Internal Soft-Start
- Power Good Indicator
- OCP Protection and Hiccup
- Thermal Shutdown
- Output Adjustable from 0.8V
- Available in an 8-pin TSOT-23 Package
Parametrics
- fsw (max) (kHz)500
- Vin (min) (V)4.5
- Vin (max) (V)16
- Iout (max) (A)2
- Isw Limit (typ) (A)3
- Max Duty Cycle (%)0.95
- Vfb (typ) (V)0.807
- Iq (typ) (mA)0.6
- Regulated Outputs1
- Vout (max) (V)13
- Vout (min) (V)0.8
- GradeCatalog
- PackageTSOT23-8
- Control ModeCurrent Mode
- Common FeaturesLight-Load Efficiency, Power Good, Synchronous Rectification
- Special FeaturesExternal Frequency Sync
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