SC1408 Semtech Corporation, SC1408 Datasheet - Page 2

• Manufacturer Part Number: SC1408
• Description: LOW VOLTAGE/ BOOST DC-DC CONTROLLER
• Manufacturer: Semtech Corporation

August 22, 2000
ELECTRICAL CHARACTERISTICS
Unless specified: V
Input Voltage
Supply Current
Output Voltage
Load Regulation
Line Regulation
Minimum Start Up Voltage
Maximum Switch On Time
Minimum Switch Off Time
Efficiency
Reference Voltage
Reference Load Regulation
Reference Line Regulation
FB Trip Point Voltage
FB Input Current
© 2000 SEMTECH CORP.
ABSOLUTE MAXIMUM RATINGS
Parameter
Input Voltage
Small Signal Ground to Power Ground
GATE to GND
FB, SHDN, REF, ISENSE to GND
Operating Temperature
Junction Temperature Range
Storage Temperature
Lead Temperature (Soldering) 10 seconds
Thermal Resistance, Junction to Ambient
SO-8
MSOP-8
Thermal Resistance, Junction to Case
SO-8/MSOP-8
PARAMETER
OUT
= 5V; I
LOAD
SYM
T
V
T
V
I
OFF
FM
REF
ON
FB
= 0mA; T
V
V
IN
IN
1.6V =SHDN =5V
V
IN
= 2.0V, V
= 2.7V to 4.0V, V
SHDN =0.4V
V
V
= 2.0V to 5.0V,
OUT
I
A
V
REF
(1)
OUT
LOW VOLTAGE, BOOST DC-DC
CONTROLLER
= +25°C
IN
= 16.5V,
= 4V, V
= 0µA
= 10V,
OUT
T
T
T
0µA < I
5V < V
A
A
A
GND to AGND
= 5V, I
BST to GND
= -40°C to +85°C
CONDITIONS
= -40°C to +85°C
= -40°C to +85°C
OUT
Symbol
T
T
T
No load
A
A
A
OUT
= 5V, I
T
REF
OUT
= 25°C
T
= 25°C
= 25°C
T
T
STG
=
=
LOAD
J
JA
JC
A
T
T
T
= 5V, I
T
L
652 MITCHELL ROAD NEWBURY PARK CA 91320
< 100µA
A
A
A
A
< 16.5V
= -40°C to +85°C
= -40°C to +85°C
= -40°C to +85°C
= -40°C to +85°C
= 0mA to 500mA
LOAD
LOAD
= 500mA
-0.3 to min. of VBST+0.3 or 5
= 500mA
-0.3 to VBST+0.3
-40 to +150
-65 to +160
Maximum
-40 to +85
-0.3 to 18
+300
±0.1
165
206
40
4.800
1.176 1.200 1.224
1.176
MIN
1.8
1.8
9.6
1.4
1.200
TYP
110
5.0
2.3
60
16
87
40
-4
-4
2
7
5.200
1.224
MAX UNITS
16.5
16.5
22.4
100
+ 40
140
1.8
3.2
10
10
SC1408
Units
°C/W
°C/W
°C
°C
°C
°C
V
V
V
V
mV/A
mV/V
µV/V
mV
uA
µA
nA
µs
µs
%
V
V
V
V
V
V
2