SC1164CSW 查看數據表（PDF） - Semtech Corporation
零件编号
产品描述 (功能)
比赛名单
SC1164CSW
Semtech Corporation
SC1164CSW Datasheet PDF : 12 Pages
| |||
PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER, DUAL LOW DROPOUT
REGULATOR CONTROLLER
SC1164/5
October 25, 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
ELECTRICAL CHARACTERISTICS
Symbol
VCC
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
Unless specified: VCC = 4.75V to 5.25V; GND = PGND = 0V; VOSENSE = VO; 0mV < (CS+-CS-) < 60mV; LDOV = 11.4V to 12.6V; TA = 25°C
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Switching Section
Output Voltage
Supply Voltage
IO = 2A
VCC
See Note 1.
4.5
7
V
Supply Current
VCC = 5.0V
8 15 mA
Load Regulation
Line Regulation
IO = 0.8A to 15A
1
%
0.5
%
Current Limit Voltage
55 70 85 mV
Oscillator Frequency
175 200 225 kHz
Oscillator Max Duty Cycle
90 95
%
Peak DH Sink/Source Current
BSTH-DH = 4.5V, DH-PGNDH = 3V 1
A
Peak DL Sink/Source Current
Output Voltage Tempco
BSTL-DL = 4.5V, DL-PGNDL = 3V
1
65
A
ppm/oC
Gain (AOL)
OVP threshold voltage
VOSENSE to VO
35
dB
120
%
OVP source current
Power good threshold voltage
VOVP = 3.0V
10
mA
85
115 %
Dead time
50 100
ns
Linear Sections
Quiescent current
LDOV = 12V
5
mA
Output Voltage (LDO1 SC1164)
2.475 2.500 2.525 V
Output Voltage (LDO2 SC1164)
1.485 1.500 1.515 V
Reference Voltage (SC1165)
1.252 1.265 1.278 V
Feedback Pin Bias Current (SC1165)
10 uA
Gain (AOL)
Load Regulation
Line Regulation
LDOS (1,2) to GATE (1,2)
IO = 0 to 8A(2)
90
dB
0.3 %
0.3 %
Output Impedance
1
KΩ
Notes: (1) See Output Voltage table.
(2) In application circuit.
2
© 1999 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
Share Link: