參數(shù)資料
型號: MAX4840EXT-T
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: Overvoltage Protection Controllers with Status FLAG
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝: SC-70, 6 PIN
文件頁數(shù): 3/10頁
文件大?。?/td> 227K
代理商: MAX4840EXT-T
M
Overvoltage Protection Controllers with
Status FLAG
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +5V, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING
Startup Delay
FLAG
Blanking Time
t
START
t
BLANK
V
IN
> V
UVLO
, V
GATE
> 0.3V, Figure 1
V
GATE
= 0.3V,V
FLAG
= 2.4V, Figure 1
V
GATE
= 0.3V to 8V, C
GATE
= 1500pF,
Figure 1
20
20
50
50
80
80
ms
ms
GATE Turn-On Time
t
GON
7.0
ms
GATE Turn-Off Time
t
GOFF
V
IN
increasing from 5V to 8V at 3V/μs,
V
GATE
= 0.3V, C
GATE
= 1500pF, Figure 2
6
20
μs
FLAG
Assertion Delay
t
FLAG
V
IN
increasing from 5V to 8V at 3V/μs,
V
FLAG
= 0.4V, Figure 2
5.8
μs
Initial Overvoltage Fault Delay
t
OVP
V
IN
increasing from 0 to 8V,
I
GATE
= 80% of I
PD
, Figure 3
100
ns
Disable Time
t
DIS
V
EN
= 2.4V, V
GATE
= 0.3V,
MAX4838/MAX4840, Figure 4
580
ns
SUPPLY CURRENT vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
S
μ
A
25
20
15
10
5
100
200
300
400
500
600
0
0
30
REVERSE CURRENT
vs. OUTPUT VOLTAGE
M
OUTPUT VOLTAGE (V)
R
μ
A
5.0
4.5
4.0
1
10
100
1000
0.1
3.5
5.5
SINGLE MOSFET
BACK-TO-BACK MOSFETS
GATE VOLTAGE vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
G
7
6
5
4
3
6
9
12
0
3
8
MAX4840
MAX4841
MAX4838
MAX4839
Typical Operating Characteristics
(V
IN
= +5V, MAX4838; Si9936DY external MOSFET in back-to-back configuration; T
A
= +25
°
C, unless otherwise noted.)
Note 1:
All parts are 100% tested at +25
°
C. Electrical limits across the full temperature range are guaranteed by design and
correlation.
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