Product Summary

The MIC4680-3.3YM is a 1A 200kHz superswitcher buck regulator. The MIC4680-3.3YM achieves up to 1.3A of continuous output current over a wide input range in a 8-pin SOIC. The MIC4680-3.3YM applications are: (1)Simple 1A high-efficiency step-down (buck)regulator; (2)Replacement of TO-220 and TO-263 designs; (3)Efficient pre-regulator (5V to 2.5V, 12V to 3.3V, etc.); (4)On-card switching regulators; (5)Positive-to-negative converter (inverting buck-boost); (6)Simple battery charger; (7)Negative boost converter; (8)Higher output current regulator using external FET.

Parametrics

MIC4680-3.3YM absolute maximum ratings: (1)Supply Voltage (VIN)(3): +38V; (2)Shutdown Voltage (VSHDN): -0.3V to +38V; (3)Steady-State Output Switch Voltage (VSW): -1V; (4)Feedback Voltage [Adjustable] (VFB): +12V; (5)Storage Temperature (Ts): -65°C to +150°C EDS Rating(5).

Features

MIC4680-3.3YM features: (1)SOIC-8 package with up to 1.3A output current; (2)All surface mount solution; (3)Only 4 external components required; (4)Fixed 200kHz operation; (5)3.3V, 5V, and adjustable output versions; (6)Internally compensated with fast transient response; (7)Wide 4V to 34V operating input voltage range; (8)Less than 2uA typical shutdown-mode current; (9)Up to 90% efficiency; (10)Thermal shutdown; (11)Overcurrent protection.

Diagrams

 MIC4680-3.3YM pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MIC4680-3.3YM
MIC4680-3.3YM


IC REG BUCK 3.3V 1A 8SOIC

Data Sheet

0-1: $1.90
1-25: $1.52
25-100: $1.18
100-250: $1.13
250-500: $1.10
MIC4680-3.3YM TR
MIC4680-3.3YM TR


IC REG BUCK 3.3V 1A 8SOIC

Data Sheet

0-1: $1.90
1-25: $1.52
25-100: $1.18
100-250: $1.13
250-500: $1.10