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7404 Datasheet(PDF) 4 Page - STMicroelectronics

Part # 7404
Description  TRIPLE VOLTAGE REGULATOR
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

7404 Datasheet(HTML) 4 Page - STMicroelectronics

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ST3M01
4/11
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, please refer to the typical operating
circut of the pag 1 for the external components values and connections. Unless otherwise noted
VSHDN=HIGH)
Note 1: For VIN < 1.9V the VO(LB) is out of regulation because of under dropout condition
Note 2: VO(DC/DC) = 3.5V force for an external DC source to avoid switching noise
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VI
Operating Input Voltage
1.9
3.3
V
VO(DC/DC)
DC/DC Converter Output
Voltage (Test Circuit A)
2.24<VIN<3.3V;
0<IO(DC/DC)<200mA;
0<IO(LA)<20mA;
0<IO(LB)<20mA;
-40 < TJ < 85 °C
3.2
3.3
3.415
V
ν
DC/DC Converter Efficency VIN=2.4V;
IO(DC/DC)=100mA;
IO(LA)=0mA; IO(LB)=0mA; TJ = 25°C
87
%
VO(LA)
Linear A Output Voltage
(Test Circuit A)
2.24<VIN<3.3V;
0<IO(DC/DC)<200mA;
0<IO(LA)<20mA;
0<IO(LB)<20mA;
-40 < TJ < 85°C
2.93
3
3.09
V
VO(LB)
Linear B Output Voltage
(Test Circuit A)
2.24<VIN<3.3V;
0<IO(DC/DC)<200mA;
0<IO(LA)<20mA;
0<IO(LB)<20mA;
-40 < TJ < 85°C
1.86
1.9
1.955
V
eN(LA)
Linear A Thermal Output
Noise Voltage (Note 2)
VIN=2.4V;
VO(DC/DC)=3.5V;
IO(LA)=20mA;
10 < f < 80KHz;
CO(LA)=1µF; CREF=0.1µF; TJ = 25°C
60
µV
rms
eN(LB)
Linear B Thermal Output
Noise Voltage (Note 2)
VIN=2.4V;
VO(DC/DC)=3.5V;
IO(LB)=20mA;
10 < f < 80KHz;
CO(LB)=1µF; CREF=0.1µF; TJ = 25°C
35
µV
rms
Iq(OFF)
Quiescent Current OFF
Mode DC/DC & LA OFF LB
ON) (Test Circuit E)
VIN=3.3V;
No Load;
VSHDN=LOW;
TJ = 25°C
75
µA
Iq(OFF)
Quiescent Current OFF
Mode (DC/DC & LA OFF LB
ON) (Test Circuit F)
VIN=1.9V;
No Load;
VSHDN=HIGH;
TJ = 25°C
50
µA
IS(DC/DC)
DC/DC Supply Current
(Test Circuit B)
VIN=2.24V;
No Load;
TJ = 25°C
100
µA
Iq(LA)
Linear A Quiescent Current
(Test Circuit C)
VIN=2.24V;
VO(DC/DC)=3.5V;
IO(LA)=10mA; TJ = 25°C
220
µA
Iq(LB)
Linear B Quiescent Current
(Test Circuit C)
VIN=2.24V;
VO(DC/DC)=3.5V;
IO(LB)=10mA; TJ = 25°C
75
µA
VBATT
Low Battery Detection
Range
VSHDN=HIGH with falling edge
1.96
2
2.04
V
VBATT(HYS) Low Battery Detection
Hysteresys
150
200
mV
RON(LBO)
LBO RDSON
VIN=1.9V;
ID=5mA;
TJ = 25°C
10
Vih
Control Input Logic Low
VIN>2.24V;
-40 < TJ < 85°C
0.4
V
Vil
Control Input Logic High
VIN>2.24V;
-40 < TJ < 85°C
1.5
V
Ton
Timer On Response Time
on DC/DC
VIN=2.4V;
CO=100µF; TJ = 25°C
IO(DC/DC)=200mA
VSHDN=from GND to VSHDN(MAX)
0.6
9
ms
RON(V_GND) Virtual GND RDSON
VIN>2.24V;
ID=5mA;
TJ = 25°C
10


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