Datasheet Details
| Part number | S-8540 |
|---|---|
| Manufacturer | Seiko Instruments |
| File Size | 505.06 KB |
| Description | (S-8540 / S-8541) 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER |
| Datasheet |
 S-8540 Datasheet
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General Description
GND pin Connection pin for external transistor IC power supply pin Bypass capacitor connection pin for CVREF reference voltage source Shutdown pin Soft-start capacitor connection pin ON/ OFF
Normal operation (step-down operation)
All circuit halts (no step-down operation) None co
Key Features
- s.
- Oscillation frequency.
- Output voltage.
- Output voltage precision.
- Feed back type for output voltage (FB).
- External components:.
- Built-in PWM/PFM switchover control circuit (S-8541 series).
- Current limit circuit.
- Soft-start.
- Shutdown function.
- Small package.
- Lead-free products 600 kHz (A, B types) 300 kHz (C, D types) 1.5 to 6.0 V, selectable in 0.1V steps (A, C types) ±2.0% a transistor, a coil,.
