參數(shù)資料
型號: MAX1538ETI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: Power-Source Selector for Dual-Battery Systems
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC28
封裝: 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHD-1, TQFN-28
文件頁數(shù): 8/22頁
文件大小: 502K
代理商: MAX1538ETI
M
Power-Source Selector for
Dual-Battery Systems
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1. T
A
= +25°C, unless otherwise noted.)
SOURCE SELECTION CHANGE
MAX1538 toc10
2.00
μ
s/div
0V
5V
10V
0V
V
(10V/div)
V
(10V/div)
V
AC-COUPLED
(5V/div)
V
BATSEL
V
OUT0
10V
20V
10V
t
TRANS
INDUCTIVE KICK
NO CAPACITOR
AT BATB
BATTERY INSERTION
MAX1538 toc06
5.00ms/div
10V
0V
V
(10V/div)
V
OUT0
(10V/div)
V
DISA
V
BATA
V
EXTLD
0V
10V
10V
0V
20V
10V
SYSTEM LOAD = 3A
V
BATB
= 16.8V
V
BATA
= 10V
A
B
A:
CONTACT BOUNCE
B: BATTERY INSERTION BLANKING TIME = 22ms
BATTERY REMOVAL TIMING
MAX1538 toc08
4.00
μ
s/div
10V
10.2V
9.8V
V
(10V/div)
V
DISB
V
DISA
V
EXTLD
9.6V
10V
0V
10V
0V
0V
5 x MINV
t
MINV
(t
ADP
FOR
ADAPTER
REMOVAL
TIMING)
t
TRANS
V
BATA
= 16.8V
BATTERY B
REMOVED
SYSTEM LOAD = 3A
SOURCE SELECTION CHANGE
MAX1538 toc09
2.00
μ
s/div
0V
5V
10V
0V
V
(10V/div)
V
(10V/div)
V
AC-COUPLED
(5V/div)
V
BATSEL
V
OUT0
10V
20V
10V
t
TRANS
INDUCTIVE KICK
C
BATB
= 1
μ
F
SYSTEM LOAD = 3A
BATTERY REMOVAL
MAX1538 toc07
5.00ms/div
10V
0V
V
DISB
(10V/div)
V
(10V/div)
V
DISA
V
BATA
V
EXTLD
0V
10V
10V
0V
20V
10V
CONTACT BOUNCE
V
BATB
= 16.8V
V
BATA
= 10V
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