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SC1405 Folha de dados(PDF) 4 Page - Semtech Corporation

Nome de Peças SC1405
Descrição Electrónicos  HIGH SPEED SYNCHRONOUS POWER MOSFET SMART DRIVER
PDF  12 Pages
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Fabricante Electrônico  SEMTECH [Semtech Corporation]
Página de início  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1405 Folha de dados(HTML) 4 Page - Semtech Corporation

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SC1405
HIGH SPEED SYNCHRONOUS POWER
MOSFET SMART DRIVER
© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
August 31, 2000
4
ELECTRICAL CHARACTERISTICS (DC OPERATING SPECIFICATIONS) Cont.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
AC OPERATING SPECIFICATIONS
HIGH-SIDE DRIVER
rise time
tr
TG,
CI = 3nF, V
BST - VDRN = 4.6V,
16
25
ns
fall time
tf
TG
CI = 3nF, V
BST - VDRN = 4.6V,
17
27
ns
propagation delay time,
TG going high
tpdh
TG
CI = 3nF, V
BST - VDRN = 4.6V,
C-delay=0
35
56
ns
propagation delay time,
TG going low
tpdl
TG
CI = 3nF, V
BST - VDRN = 4.6V,
25
40
ns
LOW-SIDE DRIVER
rise time
tr
BG
CI = 3nF, V
V_5 = 4.6V,
20
32
ns
fall time
tr
BG
CI = 3nF, V
V_5 = 4.6V,
18
29
ns
propagation delay time
BG going high
tpdh
BGHI
CI = 3nF, V
V_5 = 4.6V,
DRN < 1V
45
72
ns
progagation delay time
BG going low
tpdl
BG
CI = 3nF, V
V_5 = 4.6V,
12
20
ns
UNDER-VOLTAGE LOCKOUT
V_5 ramping up
tpdh
UVLO
EN is High
10
us
V_5 ramping down
tpdl
UVLO
EN is High
10
us
PRDY
EN is transitioning from low to
high
tpdhPRDY
V_5 > UVLO threshold, Delay
measured from EN > 2.0V to
PRDY > 3.5V
10
µs
EN is transitioning from high to
low
tpdh
UVLO
V_5 > UVLO threshold. Delay
measured from EN < 0.8V tp
PRDY < 10% of V_5
500
µs
DSPS_DR
rise/fall time
tr
DSPS_DR,
tf
DSPS_DR
CI = 100pf, V_5 = 4.6V,
20
ns
propagation delay,
DSPS_DR going high
tpdh
DSPS_DR
S_MOD goes high and
BG goes high or S_MOD goes low
10
ns
propagation delay
DSPS_DR goes low
tpdl
DSPS_DR
S_MOD goes high and BG goes
low
10
ns
OVERVOLTAGE PROTECTION
propagation delay
OVP_S going high
tpdh
OVP_S
V_5 = 4.6V, T
J = 125°C, OVP_S >
1.2V to BG > 90% of V_5
1µs
Note:
(1) This device is ESD sensitive. Use of standard ESD handling precautions is required.



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