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LM5007MM bảng dữ liệu(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM5007MM
Giải thích chi tiết về linh kiện  High Voltage (80V) Step Down Switching Regulator
PDF  12 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LM5007MM bảng dữ liệu(HTML) 4 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN to GND
80V
BST to GND
94V
SW to GND (Steady State)
-1V
ESD Rating (Note 5)
Human Body Model
2kV
Machine Model
200V
BST to V
CC
80V
BST to SW
14V
V
CC to GND
14V
All Other Inputs to GND
-0.3 to 7V
Lead Temperature (Soldering 4 sec)
260˚C
Storage Temperature Range
-55˚C to +150˚C
Operating Ratings (Note 1)
V
IN
9V to 75V
Junction Temperature
−40˚C to + 125˚C
Electrical Characteristics
Specifications with standard typeface are for T
J = 25˚C, and those with boldface type apply over full Operating Junction
Temperature range.V
IN = 48V, unless otherwise stated (Note 3).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Startup Regulator
V
CC Reg
V
CC Regulator Output
6.6
7
7.4
V
V
CC Current Limit
(Note 4)
11
mA
V
CC Supply
V
CC undervoltage Lockout
Voltage (V
CC increasing)
6.3
V
V
CC Undervoltage Hysteresis
206
mV
V
CC UVLO Delay (filter)
3
µs
Operating Current (ICC)
Non-Switching, FB = 3V
500
675
µA
Shutdown/Standby Current
R
ON = 0V
100
200
µA
Switch Characteristics
Buck Switch Rds(on)
I
TEST = 200mA,
VBST −VSW = 6.3V
(Note 6)
0.74
1.34
Ω
Gate Drive UVLO (VBST –
VSW)
Rising
3.4
4.5
5.5
V
Gate Drive UVLO Hysteresis
400
mV
Breakdown Voltage
V
IN to Ground
T
J = 25˚C
T
J = -40˚C to +125˚C
80
76
V
Breakdown Voltage
BST to V
CC
T
J = 25˚C
T
J = -40˚C to +125˚C
80
76
V
Current Limit
Current Limit Threshold
535
725
900
mA
Current Limit Response Time
I
switch Overdrive = 0.1A
Time to Switch Off
225
ns
OFF time generator (test 1)
FB=0V, RCL = 100K
17
µs
OFF time generator (test 2)
FB=2.3V, RCL = 100K
2.65
µs
On Time Generator
TON -1
Vin = 10V
Ron = 200K
2.15
2.77
3.5
µs
TON -2
Vin = 75V
Ron = 200K
290
390
490
ns
Remote Shutdown Threshold
Rising
0.45
0.7
1.1
V
Remote Shutdown Hysteresis
40
mV
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