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ST619LB 数据表(PDF) 3 Page - STMicroelectronics

部件名 ST619LB
功能描述  DC-DC CONVERTER REGULATED 5V CHARGE PUMP
PDF  9 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST619LB 数据表(HTML) 3 Page - STMicroelectronics

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ST619LB SERIES
3/9
CONNECTION DIAGRAM (top view)
ORDERING CODES
PIN DESCRIPTION
ELECTRICAL CHARACTERISTICS (VI=2 to 3.6V, C1 = C2 =0.22µF, C3 = C4 =10µF, TA = -40 to 85°C,
unless otherwise specified. Typical value are referred at TA = 25°C)
Note: Do not overload or short the Output to Ground. If the above conditions are not observed the device may be damaged.
TYPE
DIP-8
SO-8
SO-8 (T&R)
ST619LB
ST619LBN
ST619LBD
ST619LBDR
Pin N° Symbol
Name and Function
1
C1+
Positive terminal for the first charge
pump capacitor
2
IN
Input supply voltage
3
OUT
5V output voltage. VO=0V when in
shutdown mode.
4
C2+
Positive terminal for the second
charge pump capacitor
5
C2-
Negative terminal for the second
charge pump capacitor
6
GND
Ground
7
SHDN
Active high C-MOS logic level
shutdown input. SHDN is connected
to GND for normal operation.
8
C1-
Negative terminal for the first charge
pump capacitor
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
VI = 3 to 3.6V
IO =0 to 30mA
4.8
4.8
5
5
5.2
5.2
V
V
VRIPPLE Output Voltage Ripple
No load, Full Load
100
mV
Ii
No Load Supply Current
VI = 2 to 3V
No Load
VI = 3 to 3.6V
No Load
200
75
300
150
µA
µA
ISHDN
Shutdown Supply Current
VI = 2 to 3.6V
No Load
VSHDN = VI
0.02
1
µA
ν
Efficency
VI = 3V
IO =20mA
VI = 3V
IO =30mA
VI = 2V
IO =20mA
82
82
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
± 1
µA



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