ST755C datasheet(6/16 Pages) STMICROELECTRONICS

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Electrical characteristics

ST755C

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Electrical characteristics

Note:

Do not overload or short the Output to Ground. If the above conditions are observed, the

device may be damaged.

Table 5.

Electrical characteristics (Refer to the test circuits, VCC = 5V, VO = -5.25 to -4.75V,

ILOAD = 0mA, TA = TMIN to TMAX, unless otherwise specified. Typical value are referred at

TA = 25°C)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Input voltage

Output voltage

VCC = 4.5 to 6.2V, IO =0 to 200mA

4.75

5.25

Output current

VCC = 4.5 to 6.2V, TA = 0 to 70°C

200

275

VCC = 4.5 to 6.2V, TA = -40 to 85°C

175

VCC = 4V, VO = -5V

175

VCC = 2.7V, VO = -5V

125

ISUPPLY

Supply current (including

switching current)

No Load, VSHDN = VCC

1.2

3.5

IOFF

Standby current)

No Load, VSHDN = 0V

100

µA

ISC

Short circuit current)

1.2

ΔVO

Line regulation

VCC = 4 to 6.2V

0.1

%/V

ΔVO

Load regulation

IO = 0 to 200mA

0.003

%/mA

VREF

Reference voltage

TA = 25°C

1.18

1.25

1.32

ΔVREF Reference drift

TA = TMIN to TMAX

ppm/°C

RDSON LX on resistance

0.7

ILEAK

LX leakage current)

VDS = 10V

µA

ISH

Shutdown pin current)

µA

VIH

SHDN input high threshold

VIL

SHDN input low threshold

0.25

fOSC

Oscillator frequency

160

KHz

Power efficiency

IO =100mA

Compensation pin

impedance

7.5

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