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LM3150MH 데이터시트(PDF) 3 Page - Texas Instruments

부품명 LM3150MH
상세설명  LM3150 SIMPLE SWITCHER CONTROLLER, 42V Synchronous Step-Down
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LM3150
www.ti.com
SNVS561D – SEPTEMBER 2008 – REVISED MARCH 2011
Absolute Maximum Ratings
(1) (2)
VIN, RON to GND
-0.3V to 47V
SW to GND
-3V to 47V
BST to SW
-0.3V to 7V
BST to GND
-0.3V to 52V
All Other Inputs to GND
-0.3V to 7V
ESD Rating(3)
2 kV
Storage Temperature Range
-65°C to +150°C
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is intended to be functional, but does not ensure specific performance limits. For ensured specifications and conditions,
see the Electrical Characteristics.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(3)
The human body model is a 100 pF capacitor discharged through a 1.5 k
Ω resistor into each pin. Test Method is per JESD-22-A114.
Operating Ratings
(1)
VIN
6V to 42V
Junction Temperature Range (TJ)
−40°C to + 125°C
EN
0V to 5V
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is intended to be functional, but does not ensure specific performance limits. For ensured specifications and conditions,
see the Electrical Characteristics.
Electrical Characteristics
Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of -40°C
to +125°C. Minimum and Maximum limits are specified through test, design, or statistical correlation. Typical values represent
the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the
following conditions apply: VIN = 18V.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Start-Up Regulator, VCC
VCC
CVCC = 1 µF, 0 mA to 40 mA
5.65
5.95
6.25
V
IVCC = 2 mA, VIN = 5.5V
40
VIN - VCC
VIN - VCC Dropout Voltage
mV
IVCC = 30 mA, VIN = 5.5V
330
IVCCL
VCC Current Limit(1)
VCC = 0V
65
100
mA
VCC Under-Voltage Lockout Threshold
VCCUVLO
VCC Increasing
4.75
5.1
5.40
V
(UVLO)
VCCUVLO-HYS
VCC UVLO Hysteresis
VCC Decreasing
475
mV
tCC-UVLO-D
VCC UVLO Filter Delay
3
µs
IIN
Input Operating Current
No Switching, VFB = 1V
3.5
5
mA
IIN-SD
Input Operating Current, Device Shutdown
VEN = 0V
32
55
µA
GATE Drive
IQ-BST
Boost Pin Leakage
VBST – VSW = 6V
2
nA
RDS-HG-Pull-Up
HG Drive Pull–Up On-Resistance
IHG Source = 200 mA
5
RDS-HG-Pull-Down
HG Drive Pull–Down On-Resistance
IHG Sink = 200 mA
3.4
RDS-LG-Pull-Up
LG Drive Pull–Up On-Resistance
ILG Source = 200 mA
3.4
RDS-LG-Pull-Down
LG Drive Pull–Down On-Resistance
ILG Sink = 200 mA
2
Soft-Start
ISS
SS Pin Source Current
VSS = 0V
5.9
7.7
9.5
µA
ISS-DIS
SS Pin Discharge Current
200
µA
Current Limit
ILIM-TH
Current Limit Sense Pin Source Current
75
85
95
µA
(1)
VCC provides self bias for the internal gate drive and control circuits. Device thermal limitations limit external loading.
Copyright © 2008–2011, Texas Instruments Incorporated
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