ST750ACDTR Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

ST750ACDTR

Adjustable step-down, current-mode PWM DC-DC converters

STMicroelectronics 

ST750A

5

Electrical characteristics

Electrical characteristics

Table 4. Electrical characteristics (VCC=5V, IO = 0mA, TA = TMIN to TMAX, unless otherwise

specified).

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

VCC Input voltage

VO Output voltage

ΔVO Line regulation

ΔVO Load regulation

η Power efficiency

ISUPPLY Supply current

VCC = 6 to 11V, IO = 0 to 450mA

VCC = 4 to 11V

IO = 0 to 450mA

IO = 300mA

ON Mode

OFF Mode, SHDN = 0

VIH SHDN Input high threshold

VIL SHDN Input low threshold

VCC Falling

ISHDN Shutdown input leakage current ILX = 500mA

VLOCK Under voltage lockout

VCC = 12V, VLX = 0V

RDS(on) LX On resistance

TA = 25°C

ILX LX Leakage current

VREF Reference voltage

ΔVREF Temperature reference drift

fOSC Switching frequency

C series

RC Compensation pin impedance

4

11

V

4.75 5 5.25 V

0.15

%/V

0.005

%/mA

92

%

0.8 2.5 mA

0.3 100 µA

2

V

0.25 V

1

μA

2.7 3

V

0.5

Ω

1

µA

1.17 1.24 1.31 V

50

ppm/°C

160 200 280 KHz

7500

Ω

7/14

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