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LM3152 Datenblatt(PDF) 4 Page - Texas Instruments

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Teilenummer LM3152
Bauteilbeschribung  LM3151/LM3152/LM3153 SIMPLE SWITCHER짰 CONTROLLER, High Input Voltage Synchronous Step-Down
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Hersteller  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

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LM3151, LM3152, LM3153
SNVS562G – SEPTEMBER 2008 – REVISED MARCH 2011
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS
(1) (2)
VIN 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)
2kV
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
4.75
5.1
5.40
VCCUVLO
VCC Increasing
V
(UVLO)
VCC-UVLO-HYS
VCC UVLO Hysteresis
VCC Decreasing
475
mV
tCC-UVLO-D
VCC UVLO Filter Delay
3
µs
IIN
Input Operating Current
No Switching
3.6
5.2
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
(1)
VCC provides self bias for the internal gate drive and control circuits. Device thermal limitations limit external loading.
4
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Copyright © 2008–2011, Texas Instruments Incorporated
Product Folder Links: LM3151 LM3152 LM3153


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