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Products

Product image
Part number
Input Voltage (VIN)
Output Current (IOUT)
Output Voltage (VOUT/FB)
FB/VOUT Accuracy
Current Consumption (IQ)
Switching Frequency
Modulation Mode
Synchronous
Typical Performance
Package
ST8032 18V 2A synchronous buck converterST8032
4.2~18V
2A
Ref 0.8V (0.784~0.816V)
-
0.5mA (operating)
500kHz (fixed)
PWM+PFM (switching)
Synchronous
Up to 96% efficiency; slope-compensated current-mode control, internal comp; hiccup OCP, thermal shutdown; inrush limit & soft-start
SOT23-6
ST8034 16V 4A synchronous buck converterST8034
4.2~16V
4A
Ref 0.923V (0.904~0.942V)
-
0.5mA (operating)
500kHz (fixed)
PWM (current-mode, PSM at light load)
Synchronous
Up to 95% efficiency (light load); wide input 4.2~16V; inductor short-circuit protection; UVLO & OTP; power-save mode extends high-eff range
ESOP8
ST8033 16V 3A synchronous buck converterST8033
4.5~16V
3A(max)
Ref 0.8V (0.784~0.816V)
-
0.5mA (operating)
500kHz (350~750kHz)
PWM+PFM (switching)
Synchronous
Up to 96% efficiency; 100% max duty; hiccup OCP, OTP, OVP, short-circuit protection; slope-compensated current-mode control
SOT23-6
ST8032G 18V 2A synchronous buck converterST8032G
4.5~18V
2A
Ref 0.8V (0.784~0.816V)
-
0.5mA (operating)
500kHz (fixed)
PWM+PFM (switching)
Synchronous
Up to 96% efficiency; slope-compensated current-mode control, internal comp; hiccup OCP, thermal shutdown; soft-start; stable w/ low-ESR ceramics
SOT23-6
ST8028 1.5A 2MHz synchronous buck converterST8028
2.6~5.5V
1.5A(max)
0.6V~VIN; ref 0.6V (0.588~0.612V)
-
80uA (typ)
2MHz (fixed)
PWM (current-mode)
Synchronous
Up to 97% efficiency; 100% duty low-dropout; internal comp & soft-start; SC/OTP/UVLO protection; shutdown current <1uA
SOT23-5, DFN2*2-6L, DFN1.6*1.6-6L
ST3108 2A COT synchronous buck converterST3108
2.5~5.5V
2A(typ)/2.5A(max)
0.8~3.6V internal (3.3V±2.0%)
±2.0%
15uA (typ)
1.2MHz (1.0~1.4MHz)
COT (voltage-mode constant on-time); DCM/CCM auto
Synchronous
97% efficiency @500mA load; COT ultra-fast transient (~15us recovery); only 2 ceramic caps + 1 inductor; UVLO/OCP/SC/OTP
SOT23-5, SOT23-6
ST3107 200mA ultra-low IQ buck converterST3107
2.06~6.0V
200mA
1.0~4.0V internal (1.8/3.0/3.3V)
1.8V±3%; 3.0V/3.3V±2.0%
760nA (typ)
-
PFM
Synchronous
Ultra-low quiescent 760nA; 91% efficiency; UVLO & short-circuit protection; fast output discharge; for battery/wearable
SOT23-5
ST3104 2A synchronous buck converterST3104
2.8~6V
2A
FB=0.6V (0.588~0.612V), externally set
±2%
50uA (typ)
1.5MHz(TYP) PWM
PFM/PWM (auto)
Synchronous
94% efficiency @500mA/3.3V; 100% duty; soft-start; UVLO, OCP/short-circuit, OTP(170℃)
SOT23-5
ST3103 1A synchronous buck converterST3103
2.5~5.5V
>1A
FB=0.6V (0.588~0.612V), output 0.6V~VIN
±3%
40uA (typ)
1.5MHz (fixed)
PWM (constant-freq current-mode)
Synchronous
Up to 96% efficiency; UVLO, current limit, short-circuit protection, thermal shutdown(160℃); soft-start, 100% duty
SOT23-5, DFN2*2-6L
ST3102 1A synchronous buck converterST3102
2.5~5.5V
>1A
FB=0.6V (0.588~0.612V), output 0.6V~VIN
±3%
45uA (typ)
1.4MHz / 1.75MHz (fixed)
PWM (constant-freq current-mode)
Synchronous
Up to 96% efficiency; shutdown current <0.1uA; soft-start, short-circuit protection, 100% duty; built-in synchronous structure
SOT23-5, DFN2*2-6