Datasheet

LM5002
www.ti.com SNVS496D –JANUARY 2007–REVISED MARCH 2013
Absolute Maximum Ratings
(1)(2)
VIN to GND 76V
SW to GND (Steady State) -0.3V to 76V
VCC, EN to GND 14V
COMP, FB, RT to GND -0.3V to 7V
Maximum Junction Temperature 150°C
Storage Temperature −65°C to +150°C
ESD Rating
(3)
Human Body Model 2kV
(1) Absolute maximum ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions for which the
device is intended to be functional, but device parameter specifications may not be ensured. For ensured specifications and test
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 1.5kΩ resistor into each pin. Test Method is per JESD-22-A114.
Operating Conditions
VIN 3.1V to 75V
Operating Junction Temperature −40°C to +125°C
Electrical Characteristics
Limits in standard type are for T
J
= 25°C only; limits in boldface type apply over the junction temperature (T
J
) range of -40°C
to +125°C. Minimum and Maximum limits are ensured through test, design, or statistical correlation. Typical values represent
the most likely parametric norm at T
J
= 25°C, and are provided for reference purposes only. V
VIN
= 10V, R
RT
= 48.7kΩ unless
otherwise stated
(1)
.
Symbol Parameter Conditions Min Typ Max Units
STARTUP REGULATOR
V
VCC-REG
VCC Regulator Output 6.55 6.85 7.15 V
VCC Current Limit V
VCC
= 6V 15 20 mA
VCC UVLO Threshold V
VCC
increasing 2.6 2.8 3 V
VCC Undervoltage Hysteresis 0.1 V
Bias Current (I
IN
) V
FB
= 1.5V 3.1 4.5 mA
I
Q
Shutdown Current (I
IN
) V
EN
= 0V 95 130 µA
EN THRESHOLDS
EN Shutdown Threshold V
EN
increasing 0.25 0.45 0.65 V
EN Shutdown Hysteresis 0.1 V
EN Standby Threshold V
EN
increasing 1.2 1.26 1.32 V
EN Standby Hysteresis 0.1 V
EN Current Source 6 µA
MOSFET CHARACTERISTICS
MOSFET R
DS(ON)
plus
I
D
= 0.25A 850 1600 mΩ
Current Sense Resistance
MOSFET Leakage Current V
SW
= 75V 0.05 5 µA
MOSFET Gate Charge V
VCC
= 6.9V 2.4 nC
CURRENT LIMIT
I
LIM
Cycle by Cycle Current Limit 0.4 0.5 0.6 A
Cycle by Cycle Current Limit Delay 100 200 ns
(1) Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation
using Statistical Quality Control (SQC) methods. Limits are used to calculate TI’s Average Outgoing Quality Level (AOQL).
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