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| 型號： | SG2524B |
| 廠商： | Microsemi Corporation |
| 英文描述： | REGULATING PULSE WIDTH MODULATOR |
| 中文描述： | 調(diào)控脈寬調(diào)制器 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 64K |
| 代理商： | SG2524B |
2/00 Rev 1.3 2/00
Copyright
2000
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
2
SG1524B/SG2524B/SG3524B
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Voltage (+V
) ..........................................................
Collector Voltage .............................................................
Logic Inputs .......................................................-0.3V to 5.5V
Current Limit Sense Inputs .....................................
Output Current (each transistor) .................................
Reference Load Current ...............................................
Oscillator Charging Current ..............................................
Operating Junction Temperature
Hermetic (J, L Packages) ............................................
Plastic (N, DW Packages) ...........................................
Storage Temperature Range ............................
Lead Temperature (Soldering, 10 seconds) ...................
42V
60V
-0.3V to V
IN
200mA
50mA
5mA
150
°
C
150
°
C
-65
°
C to 150
°
C
300
°
C
Note 1. Values beyond which damage may occur.
THERMAL DATA
J Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 30°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............... 80°C/W
N Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 40°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
.............. 65°C/W
DW Package:
Thermal Resistance-
Junction to Case
,
θ
JC
................... 40°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
.............. 95°C/W
L Package:
Thermal Resistance-
Junction to Case
,
θ
JC
................... 35°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............ 120°C/W
Note A. Junction Temperature Calculation: T
= T
+ (P
x
θ
).
Note B. The above numbers for
θ
are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The
θ
numbers are meant to be
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
Note 2: Range over which the device is functional.
Input Voltage (+V
) ................................................
Collector Voltage ....................................................
Error Amp Common Mode Range .......................
Current Limit Sense Common Mode Range ......
Output Current (each transistor) ..........................
Reference Load Current ........................................
Oscillator Charging Current ............................
7V to 40V
0V to 60V
2.3V to V
0V to V
-2.5V
0 to 100mA
0 to 20mA
25μA to 1.8mA
Oscillator Frequency Range ........................
Oscillator Timing Resistor (R
T
) .........................
Oscillator Timing Capacitor (C
) ..........................
Operating Ambient Temperature Range
SG1524B ....................................................
SG2524B ......................................................
SG3524B .........................................................
100Hz to 400KHz
2K
to 150K
1nF to 0.1
μ
F
-55
°
C to 125
°
C
-25
°
C to 85
°
C
0
°
C to 70
°
C
RECOMMENDED OPERATING CONDITIONS
(Note 2)
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1524B with -55
°
C
≤
T
≤
125
°
C, SG2524B with -
25
°
C
≤
T
≤
85
°
C, SG3524B with 0
°
C
≤
T
≤
70
°
C, and +V
IN
= 20V. Low duty cycle pulse testing techniques are used which maintains junction and case
temperatures equal to the ambient temperature.)
5.00
3
5
15
50
5.05
20
30
50
5.10
120
4.90
4.80
25
5.00
3
5
15
50
4.95
4.90
25
Reference Section
(Note 3)
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
(Note 7)
Total Output Voltage Range
Short Circuit Current
Undervoltage Lockout Section
Threshold Voltage
T
J
= 25
°
C
V
= 7V to 40V
I
= 0 to 20mA
Over Operating Temperature Range
Over Line, Load and Temperature
V
REF
= 0V
V
mV
mV
mV
V
mA
Min. Typ. Max. Min. Typ. Max.
5.10
30
50
50
5.20
120
SG3524B
SG1524B/2524B
Units
Test Conditions
Parameter
Note 3. I
L
= 0mA
V
4.9
4.5
4.2
4.7
4.5
4.3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SG2524BDW | REGULATING PULSE WIDTH MODULATOR |
| SG2524BJ | REGULATING PULSE WIDTH MODULATOR |
| SG2524BN | REGULATING PULSE WIDTH MODULATOR |
| SG3524B | REGULATING PULSE WIDTH MODULATOR |
| SG3524BDW | REGULATING PULSE WIDTH MODULATOR |
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