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
V
=HIGH)
SHDN
Symbol
Parameter
Test Conditions
Min.
1.9
Typ.
Max.
3.3
Unit
V
V
Operating Input Voltage
I
V
DC/DC Converter Output
Voltage (Test Circuit A)
2.24<V <3.3V;
0<I
0<I
<200mA;
O(DC/DC)
<20mA;
O(LB)
3.2
3.3
3.415
V
O(DC/DC)
IN
0<I
<20mA;
O(LA)
-40 < T < 85 °C
J
ν
DC/DC Converter Efficency V =2.4V;
I
=100mA;
87
3
%
V
IN
O(DC/DC)
I
=0mA; I
=0mA; T = 25°C
O(LA)
O(LB) J
V
V
e
e
Linear A Output Voltage
(Test Circuit A)
2.24<V <3.3V;
0<I
0<I
<200mA;
2.93
1.86
3.09
O(LA)
O(LB)
N(LA)
N(LB)
IN
O(DC/DC)
0<I
<20mA;
<20mA;
O(LA)
O(LB)
-40 < T < 85°C
J
Linear B Output Voltage
(Test Circuit A)
2.24<V <3.3V;
0<I
0<I
<200mA;
1.9
60
35
1.955
V
IN
O(DC/DC)
0<I
<20mA;
<20mA;
O(LB)
O(LA)
-40 < T < 85°C
J
Linear A Thermal Output
Noise Voltage (Note 2)
V =2.4V;
V
=3.5V;
µV
µV
IN
O(DC/DC)
rms
I
=20mA;
10 < f < 80KHz;
=0.1µF; T = 25°C
O(LA)
C
=1µF; C
O(LA)
REF
J
Linear B Thermal Output
Noise Voltage (Note 2)
V =2.4V;
V
=3.5V;
O(DC/DC)
IN
rms
I
=20mA;
10 < f < 80KHz;
=0.1µF; T = 25°C
O(LB)
C
=1µF; C
O(LB)
REF
J
I
I
Quiescent Current OFF
V =3.3V;
No Load;
V
=LOW;
75
50
µA
q(OFF)
IN
SHDN
Mode DC/DC & L OFF L
T = 25°C
A
B
J
ON) (Test Circuit E)
Quiescent Current OFF
V =1.9V;
No Load;
V
=HIGH;
µA
q(OFF)
IN
SHDN
Mode (DC/DC & L OFF L
T = 25°C
A
B
J
ON) (Test Circuit F)
I
DC/DC Supply Current
(Test Circuit B)
V =2.24V; No Load;
T = 25°C
100
220
µA
µA
S(DC/DC)
IN
J
I
I
Linear A Quiescent Current V =2.24V;
(Test Circuit C)
V
=3.5V;
q(LA)
q(LB)
IN
O(DC/DC)
I
=10mA; T = 25°C
J
O(LA)
Linear B Quiescent Current V =2.24V;
V
=3.5V;
75
µA
IN
O(DC/DC)
(Test Circuit C)
I
=10mA; T = 25°C
J
O(LB)
V
Low Battery Detection
Range
V
=HIGH with falling edge
SHDN
1.96
2
2.04
200
V
BATT
V
Low Battery Detection
Hysteresys
150
10
mV
BATT(HYS)
R
LBO R
V =1.9V;
I =5mA;
T = 25°C
Ω
V
ON(LBO)
DSON
IN
D
J
V
Control Input Logic Low
Control Input Logic High
V >2.24V; -40 < T < 85°C
0.4
9
ih
IN
J
V
V >2.24V; -40 < TJ < 85°C
1.5
V
il
IN
T
Timer On Response Time
on DC/DC
V =2.4V;
C =100µF; T = 25°C
0.6
10
ms
on
IN
O
J
I
=200mA
O(DC/DC)
V
=from GND to V
SHDN
SHDN(MAX)
R
Virtual GND RDSON
V >2.24V; I =5mA;
T = 25°C
Ω
ON(V_GND)
IN
D
J
Note 1: For V < 1.9V the V
is out of regulation because of under dropout condition
IN
O(LB)
Note 2: V
= 3.5V force for an external DC source to avoid switching noise
O(DC/DC)
4/11
STMICROELECTRONICS [ ST ]
