High Efficiency 2.25MHz, 0.6A/1.5A Synchronous Step Down Regulator
![]()
- Parameters
- Features
- Description
| Part number | SY20183LDEC |
|---|
| Channel(#) | |
|---|
| Vin (min) (V) | 2.5 |
|---|
| Vin (max) (V) | 5.5 |
|---|
| Switching frequency (min)(kHz) | |
|---|
| Switching frequency (max)(kHz) | |
|---|
| Vout (min) (V) | 0.6 |
|---|
| Vout (max) (V) | |
|---|
| Iout (max) (A) | 0.6 |
|---|
| Vout2 (min)(V) | |
|---|
| Vout2 (max )(V) | |
|---|
| Iout2 (max)(A) | |
|---|
| Vref accuracy (±%) | ±1.5% |
|---|
| Vout accuracy(±%) | |
|---|
| Control mode | |
|---|
| Duty cycle (max)(%) | |
|---|
| Operation mode | |
|---|
| Iq (typ) (uA) | |
|---|
| Features | |
|---|
| Package | DFN2x2-6 |
|---|
| Operating temperature range(°C) | |
|---|
| Functional safety category | |
|---|
· Low RDS(ON) for internal switches (top/bottom):
o SY20183L: 300mΩ/200 mΩ, 0.6A
o SY20183: 200mΩ/150 mΩ, 1.5A continuous, 2A peak
· 2.5-5.5V input voltage range
· 2.25MHz switching frequency
· 50uA quiescent current
· Internal softstart limits the inrush current
· 1.5% 0.6V reference
· 100% dropout operation
· RoHS Compliant and Halogen Free
· Compact package: DFN2x2 6 pins
The SY20183L is a high-efficiency 2.25MHz synchronous step-down DC-DC converter capable of delivering 1.5A output current. SY20183L operates over a wide input voltage range from 2.5V to 5.5V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.