參數(shù)資料
型號(hào): LT1640HIS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: Negative Voltage Hot Swap Controller
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 292K
代理商: LT1640HIS8
3
LT1640L/LT1640H
ELECTRICAL CHARACTERISTICS
V
DD
= 48V, V
EE
= 0V, T
A
= 25
°
C unless otherwise noted.
SYMBOL
V
PG
V
PGHY
V
OL
PARAMETER
Power Good Threshold
Power Good Threshold Hysteresis
Output Low Voltage
CONDITIONS
V
DRAIN
– V
EE
, High to Low Transition
MIN
1.1
TYP
1.4
0.4
0.48
MAX
2.0
UNITS
V
V
V
PWRGD (LT1640L), I
OUT
= 1mA,
(V
DRAIN
– V
EE
) < V
PG
PWRGD (LT1460H), (V
DRAIN
– V
EE
) < V
PG
G
0.8
R
OUT
AC
t
PHLOV
t
PHLUV
t
PLHOV
t
PLHUV
t
PHLSENSE
t
PHLPG
Power Good Output Impedance
G
2
6.5
k
OV High to GATE Low
UV Low to GATE Low
OV Low to GATE High
UV High to GATE High
SENSE High to Gate Low
DRAIN Low to PWRGD Low
DRAIN Low to (PWRGD – DRAIN) High
DRAIN High to PWRGD High
DRAIN High to (PWRGD – DRAIN) Low
Figures 1, 2
Figures 1, 3
Figures 1, 2
Figures 1, 3
Figures 1, 4
(LT1640L) Figures 1, 5
(LT1640H) Figures 1, 5
(LT1640L) Figures 1, 5
(LT1640H) Figures 1, 5
1.7
1.5
5.5
6.5
3
0.5
0.5
0.5
0.5
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
2
4
t
PLHPG
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to V
EE
unless otherwise
specified.
TYPICAL PERFOR U
SUPPLY VOLTAGE (V)
0
S
1.3
1.4
1.5
60
100
1640 G01
1.2
1.1
0
20
40
80
1.6
1.7
1.8
Supply Current vs Supply Voltage
TEMPERATURE (
°
C)
–50
–25
1.0
S
1.1
1.2
1.3
1.4
1.6
0
25
50
75
1640 G02
100
1.5
Supply Current vs Temperature
SUPPLY VOLTAGE (V)
0
6
G
7
9
10
11
40
80
100
15
1640 G03
8
20
60
12
13
14
Gate Voltage vs Supply Voltage
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LT1640L 制造商:LINER 制造商全稱:Linear Technology 功能描述:Negative Voltage Hot Swap Controller
LT1640L_1 制造商:LINER 制造商全稱:Linear Technology 功能描述:Negative Voltage Hot Swap Controller