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參數(shù)資料
| 型號(hào)： | SC2422AEVB |
| 廠商： | Semtech Corporation |
| 英文描述： | BIPHASE CURRENT MODE CONTROLLER |
| 中文描述： | 雙相電流模式控制器 |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大?。?/td> | 114K |
| 代理商： | SC2422AEVB |
SC2422A
BIPHASE CURRENT MODE
CONTROLLER
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
PRELIMINARY - August 7, 2000
2
ELECTRICAL CHARACTERISTICS
Unless specified: V
CC
= +5V, T
AMB
= 25°C, R
REF
= 11.5k
. See Typical Application Circuit
Parameter
Conditions
Min
Typ
Max
Units
Chip_Supply
IC Supply Voltage
4.5
5
14
V
IC Supply Current
V
CC
= 5.0 ~ 12.0V
9
mA
Reference Section
Bandgap Output
C
BG
= 4.7nF
1.5
V
Source Impedance
3
k
Supply Rejection
V
CC
= 5.0V ~ 12.0V
R
I
= 6.49k
, R
REF
= 11.5k
2
mV/V
VID Step
25
mV
Voltage Accuracy
-1
1
%
Temperature Stability
0°C < T
AMB
< 70°C
0°C < T
AMB
< 70°C
5
%
Voltage Accuracy
+/-1
%
Oscillator Section
Frequency Range
400
1000
kHz
Frequency Accuracy
V
IN
= 12.0V, R
REF
= 13k
or V
IN
= 5.0V, R
REF
=11.5k
450
500
550
kHz
Temperature Stability
0°C < T
AMB
< 70°C
+/-5
%
Voltage Error Amplifier
Input Offset Voltage
+/-5
mV
Input Offset Current
0.1
μA
Open Loop Gain
1V < V
ERROUT
< 4V
V
CC
= 5 - 12V
V
ERROUT
= 1V
V
ERROUT
= 4V
I
O
< 100μA
I
O
< 100μA
90
dB
PSRR
80
dB
Output Sink Current
2.5
mA
Output Source Current
2
mA
Unity Gain Bandwidth
5
MHz
Slew Rate
10
V/uS
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
Symbol
V
IN
Maximum
15
+1
-20 to 125
0 to 125
20
60
-65 to +150
300
Units
V
V
°C
°C
°C/W
°C/W
°C
°C
T
A
T
J
θ
JC
θ
JA
T
STG
T
LEAD
ABSOLUTE MAXIMUM RATINGS
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