sc2422a Semtech Corporation, sc2422a Datasheet - Page 2

• Manufacturer Part Number: sc2422a
• Description: Biphase Current Mode Controller
• Manufacturer: Semtech Corporation

PRELIMINARY - August 7, 2000
ABSOLUTE MAXIMUM RATINGS
Parameter
Input DC Rail Voltage to GND
PGND to GND
Operating Temperature Range
Junction Temperature
Thermal Resistance Junction to Case
Thermal Resistance Junction to Ambient
Storage Temperature Range
Lead Temperature (Soldering) 10 sec
ELECTRICAL CHARACTERISTICS
Unless specified: V
Parameter
Chip_Supply
IC Supply Voltage
IC Supply Current
Reference Section
Bandgap Output
Source Impedance
Supply Rejection
VID Step
Voltage Accuracy
Temperature Stability
Voltage Accuracy
Oscillator Section
Frequency Range
Frequency Accuracy
Temperature Stability
Voltage Error Amplifier
Input Offset Voltage
Input Offset Current
Open Loop Gain
PSRR
Output Sink Current
Output Source Current
Unity Gain Bandwidth
Slew Rate
© 2000 SEMTECH CORP.
CC
= +5V, T
AMB
= 25°C, R
or V
R
V
I
= 6.49k , R
IN
V
IN
0°C < T
0°C < T
0°C < T
1V < V
= 12.0V, R
V
REF
CC
= 5.0V, R
CC
V
V
V
Conditions
C
BIPHASE CURRENT MODE
CONTROLLER
= 5.0V ~ 12.0V
I
I
CC
= 11.5k . See Typical Application Circuit
= 5.0 ~ 12.0V
ERROUT
O
ERROUT
O
BG
< 100µA
< 100µA
= 5 - 12V
ERROUT
= 4.7nF
AMB
AMB
AMB
REF
= 4V
= 1V
< 70°C
REF
< 70°C
< 70°C
REF
< 4V
= 11.5k
Symbol
= 13k
=11.5k
T
T
V
T
T
LEAD
STG
JC
JA
IN
A
J
652 MITCHELL ROAD NEWBURY PARK CA 91320
Min
400
450
4.5
-1
-65 to +150
Maximum
-20 to 125
0 to 125
300
15
+ 1
20
60
Typ
+/-1
+/-5
+/-5
500
1.5
0.1
2.5
25
10
90
80
5
9
3
2
5
2
5
1000
Max
550
14
1
SC2422A
Units
°C/W
°C/W
°C
°C
°C
°C
V
V
Units
mV/V
V/uS
MHz
kHz
kHz
mA
mV
mV
mA
mA
k
µA
dB
dB
%
%
%
%
V
V
2