Datasheet

MAX630/MAX4193
CMOS Micropower Step-Up
Switching Regulator
_______________________________________________________________________________________ 3
L
X
ON-RESISTANCE vs.
TEMPERATURE
MAX630/4193 toc01
TEMPERATURE (°C)
L
X
R
ON
(Ω)
1007550250-25-50
2
4
6
8
0
125
+V
S
= 2.5V
+V
S
= 6V
+V
S
= 16V
SUPPLY CURRENT vs.
TEMPERATURE
MAX630/4193 toc02
TEMPERATURE (°C)
I
S
(μA)
1007550250-25-50
40
20
80
60
120
100
140
0
125
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
MAX630/4193 toc03
+V
S
(V)
I
S
(μA)
1412108642
50
150
100
250
200
300
16
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS
(+V
S
= +6.0V, T
A
= Full Operating Temperature Range, I
C
= 5.0µA, unless otherwise noted.)
MAX630 MAX4193
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX MIN TYP MAX
UNITS
Supply Voltage +V
S
2.2 16.5 3.5 16.5
V
Internal Reference Voltage V
REF
1.25 1.31 1.37 1.20 1.31 1.42
V
Supply Current (Pin 5) I
S
I
3
= 0mA 70
200
90
300
µA
Line Regulation
0.5V
0UT
< V
S
< V
0UT
(Note 1)
0.2
0.5
0.5
1.0
% V
OUT
Load Regulation
V
S
= 0.5V
0
, P
L
= 0 to
150mW (Note 1)
0.5
1.0
0.5
1.0
% V
OUT
0°C ≤ T
A
≤
+70°C
0.45 1.5
10
0.45 1.5
10
-40°C ≤ T
A
≤
+85°C
0.4 1.5
10
0.4 1.5
10
Reference Set Internal
Pulldown Resistance
R
IC
V
6
= V
S
-55°C ≤ T
A
≤
+125°C
0.3 1.5
10
0.3 1.5
10
MΩ
Reference Set Input Voltage
Threshold
V
IC
0.2 0.8
1.3
0.2 0.8
1.3 V
Switch Leakage Current I
CO
V
3
= 16.5V
0.1
30
0.1
30 µA
Supply Current (Shutdown) I
SO
I
C
< 0.01µA
0.01
10
0.01
30 µA
Low-Battery Detector Output
Current
I
LBD
V
8
= 0.4V, V
1
= 1.1V
250 600 250 600
µA
Note 1: Guaranteed by correlation with DC pulse measurements.
Note 2: The operating frequency range is guaranteed by design and verified with sample testing.