ST619LB(2007) 查看數據表（PDF） - STMicroelectronics

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ST619LB
(Rev.:2007)

DC-DC converter regulated 5 V charge pump

STMicroelectronics 

ST619LB

5

Electrical characteristics

Electrical characteristics

Table 5.

Symbol

Electrical characteristics (VI = 2 to 3.6 V, C1 = C2 = 0.22 µF, C3 = C4 = 10 µF,

TA = -40 to 85°C, unless otherwise specified. Typical value are referred at TA = 25 °C)

Parameter

Test conditions

Min. Typ. Max. Unit

VI Input voltage

VO Output voltage

VRIPPLE Output voltage ripple

Ii No load supply current

ISHDN Shutdown supply current

ν Efficiency

fOSC

VIH

VIL

IIH

Switching frequency

SHDN input threshold

SHDN input threshold

SHDN input current

VI = 2 to 3.6V, IO =0 to 20mA

VI = 3 to 3.6V, IO=0 to 30mA

No load, Full load

VI = 2 to 3V, No load

VI = 3 to 3.6V, No load

VI = 2 to 3.6V, No Load, VSHDN = VI

VI = 3V, IO =20mA

VI = 3V, IO =30mA

VI = 2V, IO =20mA

Full load

VSHDN = VI

2

3.6

V

4.8

5

5.2

V

4.8

5

5.2

V

100

mV

200 300

µA

75 150

0.02 1

µA

82

82

%

80

500

kHz

0.7VI

V

0.4

V

0.005 ± 1

µA

Note:

Do not overload or short the output to ground. If the above conditions are not observed the

device may be damaged.

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