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CSD87588N Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce CSD87588N
Description  CSD87588N Synchronous Buck NexFET Power Block II
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

CSD87588N Fiches technique(HTML) 4 Page - Texas Instruments

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CSD87588N
SLPS384D – MARCH 2013 – REVISED APRIL 2015
www.ti.com
5.4 Power Block Performance
TA = 25°C (unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
VIN = 12 V, VGS = 5 V
VOUT = 1.3 V, IOUT = 15 A
PLOSS
Power Loss(1)
2.1
W
ƒSW = 500 kHz
LOUT = 0.29 µH, TJ = 25ºC
TG to TGR = 0 V
IQVIN
VIN Quiescent Current
10
µA
BG to PGND = 0 V
(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.
5.5 Electrical Characteristics
TA = 25°C (unless otherwise stated)
Q1 FET
Q2 FET
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
STATIC CHARACTERISTICS
BVDSS
Drain-to-Source Voltage
VGS = 0 V, IDS = 250 μA
30
30
V
IDSS
Drain-to-Source Leakage Current
VGS = 0 V, VDS = 24 V
1
1
μA
IGSS
Gate-to-Source Leakage Current
VDS = 0 V, VGS = 20
100
100
nA
VGS(th)
Gate-to-Source Threshold Voltage
VDS = VGS, IDS = 250 μA
1.1
1.9
1.1
1.9
V
VGS = 4.5 V, IDS = 15 A
10.4
12.5
3.5
4.2
RDS(on)
Drain-to-Source On Resistance
m
VGS = 10 V, IDS = 15 A
8
9.6
2.9
3.5
gƒs
Transconductance
VDS = 10 V, IDS = 15 A
43
93
S
DYNAMIC CHARACTERISTICS
CISS
Input Capacitance (1)
566
736
2310
3000
pF
VGS = 0 V, VDS = 15 V,
COSS
Output Capacitance (1)
341
444
682
887
pF
ƒ = 1 MHz
CRSS
Reverse Transfer Capacitance (1)
10.3
13.4
62
80.4
pF
RG
Series Gate Resistance (1)
1.2
2.4
1.1
2.2
Ω
Qg
Gate Charge Total (4.5 V) (1)
3.2
4.1
13.7
17.9
nC
Qgd
Gate Charge - Gate-to-Drain
0.7
4.3
nC
VDS = 15 V,
IDS = 15 A
Qgs
Gate Charge - Gate-to-Source
1.4
4.3
nC
Qg(th)
Gate Charge at Vth
0.8
2.8
nC
QOSS
Output Charge
VDD = 12 V, VGS = 0 V
7
18.6
nC
td(on)
Turn On Delay Time
7.3
12.1
ns
tr
Rise Time
31.6
36.7
ns
VDS = 15 V, VGS = 4.5 V,
IDS = 15 A, RG = 2 Ω
td(off)
Turn Off Delay Time
10.2
20.1
ns
tƒ
Fall Time
5.0
6.3
ns
DIODE CHARACTERISTICS
VSD
Diode Forward Voltage
IDS = 15 A, VGS = 0 V
0.85
0.78
V
Qrr
Reverse Recovery Charge
12.5
26.7
nC
Vdd = 15 V, IF = 15 A,
di/dt = 300 A/
μs
trr
Reverse Recovery Time
16
23
ns
(1)
Specified by design
4
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