ST1S06APM datasheet(8/19 Pages) STMICROELECTRONICS

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Electrical characteristics

ST1S06

8/19

Table 6.

Electrical characteristics for ST1S06PM33

(VIN_SW =VIN_A =VINH =5V, VO=3.3V, CI =4.7µF, CO =22µF, L1 =3.3µH, TJ =-30 to 125°C unless

otherwise specified. Typical values are referred to TJ =25°C)

Note: 1 Guaranteed by design, but not tested in production

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

OUT

Output feedback pin

3.23

3.3

3.37

IO Pin bias current

VO = 3.5V

µA

Minimum input voltage

IO= 10mA to 1.5A

4.2

Quiescent current

VINH > 1.2V

1.5

VINH < 0.4V, TJ = -30°C to 85°C

1µA

Output current

VI = 4.2 to 5.5V Note: 1

1.5

VINH

Inhibit threshold

Device ON, VI = 4.2 to 5.5V

1.3

Device ON, VI = 4.2 to 5V

1.2

Device OFF

0.4

IINH

Inhibit pin current

2µA

%VO/∆VI Reference line regulation

VI = 4.2V to 5.5V Note: 1

0.2

0.3

%VO/

∆VI

%VO/∆IO Reference load regulation

IO = 10mA to 1.5A Note: 1

0.2

0.3

%VO/

∆IO

PWMfS

PWM Switching frequency

VFB = 0.8V

1.2

1.5

1.8

MHz

DMAX

Maximum duty cycle

RDSON-N NMOS Switch on resistance

ISW = 750 mA

0.12

Ω

RDSON-P PMOS Switch on resistance

ISW = 750 mA

0.15

Ω

ISWL

Switching current limitation

Note: 1

2.3

Efficiency

Note: 1

IO = 10mA to 100mA, VO = 3.3V

IO = 100mA to 1.5A, VO = 3.3V

TSHDN

Thermal shutdown

130

150

°C

THYS

Thermal shutdown hysteresis

°C

%VO/∆IO Load transient response

IO = 100mA to 750mA, TJ = 25°C

tR = tF ≥ 200ns, Note: 1

-5

%VO

%VO/∆IO Short circuit removal response

IO = 10mA to IO=short, TJ = 25°C

Note: 1

-10

+10

%VO

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