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LM5010MH 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 LM5010MH
Giải thích chi tiết về linh kiện  High Voltage 1A Step Down Switching Regulator
PDF  19 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LM5010MH 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
76V
BST to GND
90V
SW to GND (Steady State)
-1.5V
BST to V
CC
76V
BST to SW
14V
V
CC to GND
14V
S
GND to RTN
-0.3V to +0.3V
SS to RTN
-0.3V to 4V
V
IN to SW
76V
Current Out of I
SEN
See Text
All Other Inputs to GND
-0.3 to 7V
ESD Rating (Note 2)
Human Body Model
2kV
Storage Temperature Range
-55˚C to +150˚C
Lead Temperature (Soldering 4 sec) (Note 4)
260˚C
Operating Ratings (Note 1)
V
IN
8V to 75V
Operating Junction Temperature
−40˚C to + 125˚C
Electrical Charateristics
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, RON = 200k
Ω, unless otherwise stated (Note 5) and (Note 6).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
CC Regulator
V
CCReg
V
CC regulated output
6.6
7
7.4
Volts
V
IN -VCC
I
CC = 0 mA, FS < 200 kHz
7.5V
≤ V
IN
≤ 8.0V
1.3
V
V
CC output impedance
(0 mA
≤ I
CC
≤ 5 mA)
V
IN = 8.0V
V
IN = 48V
140
2.5
Ω
V
CC current limit (Note 3)
V
CC =0V
10
mA
UVLO
VCC
V
CC under-voltage lockout
threshold
V
CC increasing
5.8
V
UVLO
VCC hysteresis
V
CC decreasing
145
mV
UVLO
VCC filter delay
100 mV overdrive
3
µs
I
IN operating current
Non-switching, FB = 3V
650
850
µA
I
IN shutdown current
R
ON/SD=0V
95
200
µA
Switch Characteristics
Rds(on)
Buck Switch Rds(on)
I
TEST = 200 mA
0.35
0.80
Ω
UVLO
GD
Gate Drive UVLO
V
BST -VSW Increasing
3.0
4.3
5.0
V
UVLO
GD hysteresis
440
mV
Softstart Pin
Pull-up voltage
2.5
V
Internal current source
11.5
µA
Current Limit
I
LIM
Threshold
Current out of I
SEN
1
1.25
1.5
A
Resistance from I
SEN to SGND
130
m
Ω
Response time
150
ns
On Timer, R
ON/SD Pin
t
ON - 1
On-time
V
IN = 10V, RON = 200 k
Ω
2.1
2.75
3.4
µs
t
ON - 2
On-time
V
IN = 75V, RON = 200 k
Ω
290
390
490
ns
Shutdown threshold
Voltage at R
ON/SD rising
0.35
0.65
1.1
V
Threshold hysteresis
Voltage at R
ON/SD falling
40
mV
Off Timer
t
OFF
Off-time
265
ns
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