ST3M01 查看數據表（PDF） - STMicroelectronics
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ST3M01 Datasheet PDF : 11 Pages
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ST3M01
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)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VI
Operating Input Voltage
VO(DC/DC) DC/DC Converter Output
Voltage (Test Circuit A)
2.24<VIN<3.3V;
0<IO(LA)<20mA;
-40 < TJ < 85 °C
0<IO(DC/DC)<200mA;
0<IO(LB)<20mA;
ν
DC/DC Converter Efficency VIN=2.4V;
IO(DC/DC)=100mA;
IO(LA)=0mA; IO(LB)=0mA; TJ = 25°C
VO(LA) Linear A Output Voltage
(Test Circuit A)
2.24<VIN<3.3V;
0<IO(LA)<20mA;
-40 < TJ < 85°C
0<IO(DC/DC)<200mA;
0<IO(LB)<20mA;
VO(LB)
Linear B Output Voltage
(Test Circuit A)
2.24<VIN<3.3V;
0<IO(LA)<20mA;
-40 < TJ < 85°C
0<IO(DC/DC)<200mA;
0<IO(LB)<20mA;
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
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
Iq(OFF)
Quiescent Current OFF
VIN=3.3V;
Mode DC/DC & LA OFF LB TJ = 25°C
ON) (Test Circuit E)
No Load;
VSHDN=LOW;
Iq(OFF)
Quiescent Current OFF
VIN=1.9V;
Mode (DC/DC & LA OFF LB TJ = 25°C
ON) (Test Circuit F)
No Load;
VSHDN=HIGH;
IS(DC/DC) DC/DC Supply Current
(Test Circuit B)
VIN=2.24V; No Load; TJ = 25°C
Iq(LA)
Linear A Quiescent Current VIN=2.24V; VO(DC/DC)=3.5V;
(Test Circuit C)
IO(LA)=10mA; TJ = 25°C
Iq(LB)
Linear B Quiescent Current VIN=2.24V; VO(DC/DC)=3.5V;
(Test Circuit C)
IO(LB)=10mA; TJ = 25°C
VBATT
Low Battery Detection
Range
VSHDN=HIGH with falling edge
VBATT(HYS) Low Battery Detection
Hysteresys
RON(LBO) LBO RDSON
VIN=1.9V; ID=5mA; TJ = 25°C
Vih
Control Input Logic Low
VIN>2.24V; -40 < TJ < 85°C
Vil
Control Input Logic High VIN>2.24V; -40 < TJ < 85°C
Ton
Timer On Response Time VIN=2.4V; CO=100µF; TJ = 25°C
on DC/DC
IO(DC/DC)=200mA
VSHDN=from GND to VSHDN(MAX)
RON(V_GND) Virtual GND RDSON
VIN>2.24V; ID=5mA; TJ = 25°C
1.9
3.2
2.93
1.86
1.96
1.5
3.3
V
3.3 3.415 V
87
%
3 3.09 V
1.9 1.955 V
60
µVrms
35
µVrms
75
µA
50
µA
100
µA
220
µA
75
µA
2 2.04 V
150 200 mV
10
Ω
0.4
V
V
0.6
9
ms
10
Ω
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
4/11
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