Typical operating characteristics – Rainbow Electronics MAX1538 User Manual
Page 7
MAX1538
Power-Source Selector for
Dual-Battery Systems
_______________________________________________________________________________________
7
V
DD
LOAD REGULATION
MAX1538 toc01
V
DD
LOAD CURRENT (mA)
V
DD
(V)
0.15
0.10
0.05
3.291
3.292
3.293
3.294
3.295
3.296
3.297
3.298
3.299
3.290
0
0.20
V
DD
vs. TEMPERATURE
MAX1538 toc02
TEMPERATURE (°C)
V
DD
(V)
60
40
20
0
-20
3.290
3.295
3.300
3.305
3.310
3.285
-40
80
I
BAT_
vs. V
BAT_
MAX1538 toc04
BATTERY VOLTAGE (V)
BATTERY INPUT CURRENT (
µ
A)
15
10
5
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
0
20
BAT_ NOT HIGHEST SUPPLY
I
BAT_
vs. V
BAT_
MAX1538 toc03
BATTERY VOLTAGE (V)
BATTERY INPUT CURRENT (
µ
A)
14
12
10
8
6
5
10
15
20
25
30
35
0
4
16
BAT_ HIGHEST SUPPLY
Typical Operating Characteristics
(Circuit of Figure 1. T
A
= +25°C, unless otherwise noted.)
ADAPTER INSERTION
MAX1538 toc05
10.0µs/div
20V
10V
V
ADPIN
AND
V
EXTLD
V
ADPBLK
V
REVBLK
V
OUT1
0V
20V
10V
0V
5V
0V
V
ADPIN
V
EXTLD
V
REVBLK
V
ADPBLK
t
ADP