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CSD86356Q5DT Datasheet(PDF) 3 Page - Texas Instruments

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Part # CSD86356Q5DT
Description  Synchronous Buck NexFET Power Block
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

CSD86356Q5DT Datasheet(HTML) 3 Page - Texas Instruments

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CSD86356Q5D
www.ti.com
SLPS665 – MARCH 2018
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Copyright © 2018, Texas Instruments Incorporated
(1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated is not implied. Exposure to absolute-
maximum-rated conditions for extended periods may affect device reliability.
(2)
Pulse duration = 50 µS. Duty cycle = 0.01.
5 Specifications
5.1 Absolute Maximum Ratings
TA = 25°C (unless otherwise noted)
(1)
MIN
MAX
UNIT
Voltage
VIN to PGND
–0.8
25
V
VSW to PGND
25
VSW to PGND (10 ns)
27
TG to TGR
–8
10
BG to PGND
–8
10
Pulsed current rating, IDM(2)
120
A
Power dissipation, PD
12
W
Avalanche
energy, EAS
Sync FET, ID = 88 A, L = 0.1 mH
387
mJ
Control FET, ID = 45 A, L = 0.1 mH
101
TJ and TSTG
Operating junction and storage temperature
–55
150
°C
(1)
Operating at high VIN can create excessive AC voltage overshoots on the switch node (VSW) during MOSFET switching transients. For
reliable operation, the switch node (VSW) to ground voltage must remain at or below the Absolute Maximum Ratings.
5.2 Recommended Operating Conditions
TA = 25°C (unless otherwise noted)
MIN
MAX
UNIT
VGS
Gate drive voltage
4.5
8
V
VIN
Input supply voltage(1)
22
V
ƒSW
Switching frequency CBST = 0.1 µF (min)
1500
kHz
Operating current
40
A
TJ
Operating temperature
125
°C
TSTG
Storage temperature
125
°C
(1)
RθJC is determined with the device mounted on a 1-in
2 (6.45-cm2), 2-oz (0.071-mm) thick Cu pad on a 1.5-in × 1.5-in
(3.81-cm × 3.81-cm), 0.06-in (1.52-mm) thick FR4 board. RθJC is specified by design while RθJA is determined by the user’s board
design.
(2)
Device mounted on FR4 material with 1-in2 (6.45-cm2) Cu.
5.3 Thermal Information
TA = 25°C (unless otherwise noted)
THERMAL METRIC
MIN
MAX
UNIT
RθJA
Junction-to-ambient thermal resistance (min Cu)(1)
125
°C/W
RθJA
Junction-to-ambient thermal resistance (max Cu)(1) (2)
50
°C/W
RθJC
Junction-to-case thermal resistance (top of package)(1)
12
°C/W
RθJC
Junction-to-case thermal resistance (PGND pin)
(1)
1.8
°C/W
(1)
Measurement made with six 10-μF (TDK C3216X5R1C106KT or equivalent) ceramic capacitors placed across VIN to PGND pins and
using a high-current 5-V driver IC.
5.4 Power Block Performance
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PLOSS
Power loss(1)
VIN = 12 V, VGS = 5 V, VOUT = 1.3 V, IOUT = 25 A,
ƒSW = 500 kHz, LOUT = 0.3 μH, TJ = 25°C
2.8
W
IQVIN
VIN quiescent current
(1)
TG to TGR = 0 V, BG to PGND = 0 V
10
µA


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