SC1405B データシートの表示（PDF） - Semtech Corporation
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SC1405B Datasheet PDF : 12 Pages
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HIGH SPEED SYNCHRONOUS POWER
MOSFET SMART DRIVER
SC1405B
March 14, 2000
ABSOLUTE MAXIMUM RATINGS
Parameter
VCC Supply Voltage
BST to PGND
BST to DRN
DRN to PGND
OVP_S to PGND
Input pin
Continuous Power Dissipation
Symbol
VMAX5V
VMAXBST-PGND
VMAXBST-DRN
VMAXDRN-PGN
VMAXOVP_S-PGND
CO
Pd
Thermal Resistance Junction to Case
Thermal Resistance Junction to Ambient
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 sec
θJC
θJA
TJ
TSTG
TLEAD
NOTE:
(1) Specification refers to application circuit in Figure 1.
Conditions
Tamb = 25°C, TJ = 125°C
Tcase = 25°C, TJ = 125°C
Maximum
7
30
7
25
10
-0.3 to 7.3
0.66
2.56
40
Units
V
V
V
V
V
V
W
°C/W
150
°C/W
0 to +125 °C
-65 to +150 °C
300
°C
ELECTRICAL CHARACTERISTICS (DC OPERATING SPECIFICATIONS)
Unless specified: -0 < θJ < 125°C; VCC = 5V; 4V < VBST < 26V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
POWER SUPPLY
Supply Voltage
Quiescent Current
VCC
Iq_stby
VCC
EN = 0V
4.15
5
Quiescent Current, operating Iq_op
VCC = 5V,CO=0V
1
PRDY
High Level Output Voltage
Low Level Output Voltage
VOH
VCC = 4.6V, lload = 10mA
4.5
VOL
VCC < UVLO threshold, lload =
10µA
4.55
0.1
DSPS_DR
High Level Output Voltage
VOH
Low Level Output Voltage
VOL
UNDER-VOLTAGE LOCKOUT
VCC = 4.6V, Cload = 100pF
VCC = 4.6V, Cload = 100pF
4.15
Start Threshold
Hysteresis
Logic Active Threshold
VSTART
VhysUVLO
VACT
EN is low
4.2
4.4
0.05
MAX UNITS
6.0
V
10
µA
ma
V
0.2
V
V
0.05
V
4.6
V
V
1.5
V
© 2000 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA 91320
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