MAX1538ETI+T Maxim Integrated Products, MAX1538ETI+T Datasheet - Page 7

• Manufacturer Part Number: MAX1538ETI+T
• Description: IC PWR SOURCE SELECTOR 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1538ETI+T

• Function: Dual Battery Controller
• Battery Type: All Battery Types
• Voltage - Supply: 4.75 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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