sc1164csw Semtech Corporation, sc1164csw Datasheet - Page 2

• Manufacturer Part Number: sc1164csw
• Description: Programmable Synchronous Dc/dc Converter, Dual Low Dropout Regulator Controller
• Manufacturer: Semtech Corporation

ELECTRICAL CHARACTERISTICS
Unless specified: VCC = 4.75V to 5.25V; GND = PGND = 0V; VOSENSE = V
PARAMETER
Switching Section
Output Voltage
Supply Voltage
Supply Current
Load Regulation
Line Regulation
Current Limit Voltage
Oscillator Frequency
Oscillator Max Duty Cycle
Peak DH Sink/Source Current
Peak DL Sink/Source Current
Output Voltage Tempco
Gain (A
OVP threshold voltage
OVP source current
Power good threshold voltage
Dead time
Linear Sections
Quiescent current
Output Voltage (LDO1 SC1164)
Output Voltage (LDO2 SC1164)
Reference Voltage (SC1165)
Feedback Pin Bias Current (SC1165)
Gain (A
Load Regulation
Line Regulation
Output Impedance
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
Notes: (1) See Output Voltage table.
© 1999 SEMTECH CORP.
OL
OL
(2) In application circuit.
)
)
PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER, DUAL LOW DROPOUT
REGULATOR CONTROLLER
CONDITIONS
I
VCC
VCC = 5.0V
I
BSTH-DH = 4.5V, DH-PGNDH = 3V
BSTL-DL = 4.5V, DL-PGNDL = 3V
VOSENSE to V
V
LDOV = 12V
LDOS (1,2) to GATE (1,2)
I
O
O
O
OVP
= 0 to 8A
= 2A
= 0.8A to 15A
= 3.0V
(2)
O
652 MITCHELL ROAD NEWBURY PARK CA 91320
O
; 0mV < (CS+-CS-) < 60mV; LDOV = 11.4V to 12.6V; T
Symbol
VCC
T
T
T
T
STG
JC
JA
A
L
J
2.475 2.500 2.525
1.485 1.500 1.515
1.252 1.265 1.278
MIN
175
4.5
55
90
10
85
50
1
1
See Note 1.
-65 to +150
-0.3 to +15
Maximum
-0.3 to +7
0 to +125
TYP
0 to +70
200
120
100
0.5
70
95
65
35
90
8
1
1
300
± 1
80
25
MAX UNITS
SC1164/5
225
115
0.3
0.3
15
85
10
7
5
ppm/
Units
A
°C/W
°C/W
= 25° C
°C
°C
°C
°C
kHz
mA
mA
mA
mV
K
V
V
V
dB
uA
dB
ns
%
%
%
%
%
%
%
V
A
A
V
V
V
o
2
C