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ST619LB 数据表(PDF) 7 Page - STMicroelectronics

部件名 ST619LB
功能描述  DC-DC converter regulated 5 V charge pump
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST619LB 数据表(HTML) 7 Page - STMicroelectronics

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ST619LB
Electrical characteristics
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5
Electrical characteristics
Note:
Do not overload or short the output to ground. If the above conditions are not observed the
device may be damaged.
Table 5.
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)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VI
Input voltage
2
3.6
V
VO
Output voltage
VI = 2 to 3.6V, IO =0 to 20mA
4.8
5
5.2
V
VI = 3 to 3.6V, IO=0 to 30mA
4.8
5
5.2
V
VRIPPLE Output voltage ripple
No load, Full load
100
mV
Ii
No load supply current
VI = 2 to 3V, No load
200
300
µA
VI = 3 to 3.6V, No load
75
150
ISHDN
Shutdown supply current
VI = 2 to 3.6V, No Load, VSHDN = VI
0.02
1
µA
ν
Efficiency
VI = 3V, IO =20mA
82
%
VI = 3V, IO =30mA
82
VI = 2V, IO =20mA
80
fOSC
Switching frequency
Full load
500
kHz
VIH
SHDN input threshold
0.7VI
V
VIL
SHDN input threshold
0.4
V
IIH
SHDN input current
VSHDN = VI
0.005
± 1µA


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