SC1186CSW Просмотр технического описания (PDF) - Semtech Corporation
Номер в каталоге
Компоненты Описание
Список матч
SC1186CSW
Semtech Corporation
SC1186CSW Datasheet PDF : 12 Pages
| |||
PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER, DUAL LOW DROPOUT
REGULATOR CONTROLLER
SC1186
PRELIMINARY - December 2, 1999
ABSOLUTE MAXIMUM RATINGS
Parameter
VCC to GND
PGND to GND
BST to GND
Operating Temperature Range
Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 seconds
Thermal Impedance Junction to Ambient
Thermal Impedance Junction to Case
Symbol
VIN
TA
TJ
TSTG
TL
θJA
θJC
Maximum
-0.3 to +7
±1
-0.3 to +15
0 to +70
0 to +125
-65 to +150
300
80
25
Units
V
V
V
°C
°C
°C
°C
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
Unless specified: VCC = 4.75V to 5.25V; GND = PGND = 0V; VOSENSE = VO; 0mV < (CS+-CS-) < 60mV; LDOV = 11.4V to 12.6V; TA = 0 to 70°C
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Switching Section
Output Voltage
Supply Voltage
IO = 2A in Application Circuit
VCC
See Output Voltage Table
4.5
7
V
Supply Current
VCC = 5.0V
8 15 mA
Load Regulation
Line Regulation
IO = 0.8A to 15A
1
%
±0.15
%
Current Limit Voltage
60 70 85 mV
Oscillator Frequency
120 140 160 kHz
Oscillator Max Duty Cycle
90 95
%
Peak DH Sink/Source Current
BSTH-DH = 4.5V, DH-PGNDH = 3.3V 1
A
DH-PGNDH = 1.5V 100
mA
Peak DL Sink/Source Current
BSTL-DL = 4.5V, DL-PGNDL = 3.3V 1
A
DL-PGNDL = 1.5V 100
mA
Gain (AOL)
VID Source Current
VID Leakage
VOSENSE to VO
VIDx ≤ 2.4V
VIDx = 5V
35
dB
1 10
µA
10 µA
Power Good Threshold Voltage
88
112 %
Dead Time
40 100
ns
Linear Sections
Quiescent Current
LDOV = 12V
5
mA
Output Voltage LDO1
2.493 2.525 2.556 V
Output Voltage LDO2
1.496 1.515 1.534 V
Reference Voltage
Gain (AOL)
Load Regulation
Line Regulation
Iref ≤ 100µA
LDOS (1,2) to GATE (1,2)
IO = 0 to 8A
1.246 1.265 1.284 V
90
dB
0.3
%
0.3
%
Output Impedance
VGATE = 6.5V
1 1.5 kΩ
© 1999 SEMTECH CORP.
2
652 MITCHELL ROAD NEWBURY PARK CA 91320
Share Link: