SY20212CAIC

4A, 1.8MHz, I2C Programmable Buck

SY20212CAIC 4A, 1.8MHz, I2C Programmable Buck Datasheet

Parameters
Features
Description

Part Number	SY20212CAIC
Vin_min (V)	2.6
Vin_max (V)	5.5
Io_max (A)	4
Channels
Vo_min (V)	0.7625
Fsw (MHz)	1.8
Vref (V)
Vref Accuracy
Iq (uA)	80
Rdson1	70
Rdson2	40
Soft Start	0.3
Package	TSOT23-8
Topology
Protection Mode	OVP,Hic-cup SCP
Features / Special Function	DAC: 12.5mV lsb, default 1.05Vout,Auto-Discharge
Temp Range

2.6V to 5.5V Input Voltage Range
Fixed Frequency Operation: 1.8MHz
Low RDS(ON) for Internal Switches (Top/Bottom): 70mΩ/40mΩ
Programmable Output Voltage: 0.7625V to 1.55V in 12.5mV Steps
Default 1.05V Output Voltage
4A Output Current Capability
Capable for 0.33µH Inductor and 22µF Ceramic Capacitor
PFM/PWM Operation for Optimum Increased Efficiency
OVP/OCP/UVLO/OTP Protections
RoHs Compliant and Halogen Free
Compact Package: TSOT23-8

SY20212C is a high efficiency 1.8MHz synchronous step down DC-DC regulator IC capable of delivering up to 4A output current. It can operate over a wide input voltage range from 2.6V to 5.5V and integrates main switch and synchronous switch with very low R_{DS (ON)} to minimize the conduction loss. The output voltage can be programmed from 0.7625V to 1.55V through I²C interface.

SY20212C is available in TSOT23-8 package.