SC1183 Semtech Corporation, SC1183 Datasheet - Page 2

• Manufacturer Part Number: SC1183
• Description: PROGRAMMABLE SYNCHRONOUS DC/DC CONVERTER/ DUAL LOW DROPOUT REGULATOR CONTROLLER
• Manufacturer: Semtech Corporation

ELECTRICAL CHARACTERISTICS
Unless specified: V
PARAMETER
Switching Section
Output Voltage
Supply Voltage
Supply Current
Load Regulation
Line Regulation
Minimum operating voltage
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 SC1182)
Output Voltage (LDO2 SC1182)
Reference Voltage (SC1183)
Feedback Pin Bias Current (SC1183)
Gain (A
Load Regulation
Line Regulation
Output Impedance
August 25, 1998
ABSOLUTE MAXIMUM RATINGS
Parameter
V
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
© 1998 SEMTECH CORP.
Notes: (1) See Output Voltage table.
CC
to GND
OL
OL
(2) In application circuit.
)
)
CC
= 4.75V to 5.25V; GND = P
GND
= 0V; V
PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER, DUAL LOW DROPOUT
REGULATOR CONTROLLER
CONDITIONS
I
V
V
I
BSTH-DH = 4.5V, DH-PGNDH = 2V
BSTL-DL = 4.5V, DL-PGNDL = 2V
V
V
LDOV = 12V
LDOS (1,2) to GATE (1,2)
I
O
O
O
OSENSE
CC
CC
OSENSE
OVP
= 0 to 8A
= 2A
= 0.8A to 15A
= 5.0
= 3.0V
= V
to V
O
; 0mV < (CSp-CSm) < 60mV; LDOV = 11.4V to 12.6V; T
(2)
O
652 MITCHELL ROAD NEWBURY PARK CA 91320
Symbol
T
V
T
T
T
STG
JA
JC
IN
A
J
L
2.475 2.500 2.525
1.485 1.500 1.515
1.252 1.265 1.278
MIN
180
4.2
60
90
10
88
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
200
0.5
70
95
35
90
30
8
1
300
± 1
80
25
A
MAX UNITS
SC1182/3
= 25°C
220
100
112
4.2
0.3
0.3
15
80
10
7
5
ppm/
Units
°C/W
°C/W
°C
°C
°C
°C
kHz
mA
mV
mA
mA
V
V
V
dB
uA
dB
ns
%
%
%
%
%
%
%
V
V
A
A
V
V
V
o
2
C