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參數(shù)資料
| 型號： | SG2526DW |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | REGULATING PULSE WIDTH MODULATOR |
| 中文描述： | 0.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 182K |
| 代理商： | SG2526DW |
4/90 Rev 1.1 2/94
Copyright
1994
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
2
SG1526/SG2526/SG3526
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Voltage (V
) ...............................................................
Collector Supply Voltage (V
) .............................................
Logic Inputs .........................................................
Analog Inputs ..........................................................
Source/Sink Load Current (each output) .......................
Reference Load Current ..................................................
40V
40V
-0.3V to 5.5V
-0.3V to V
IN
200mA
50mA
Logic Sink Current ............................................................
Operating Junction Temperature
Hermetic (J, L Packages) ............................................
Plastic (N, DW Packages) ...........................................
Storage Temperature Range ............................
Lead Temperature (Soldering, 10 Seconds) ...................
15mA
150
°
C
150
°
C
-65
°
C to 150
°
C
300
°
C
Note 1. Exceeding these ratings could cause damage to the device.
THERMAL DATA
J Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 25°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
.............. 70°C/W
N Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 30°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............. 60°C/W
DW Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 35°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............. 90°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.
Input Voltage .............................................................
Collector Supply Voltage ........................................
Sink/Source Load Current (each output) ................
Reference Load Current ...........................................
Oscillator Frequency Range ..............................
Oscillator Timing Resistor ..................................
8V to 35V
4.5V to 35V
0 to 100mA
0 to 20mA
1Hz to 350KHz
2K
to 150K
Oscillator Timing Capacitor ....................................
Available Deadtime Range at 40KHz ......................
Operating Ambient Temperature Range:
SG1526 .........................................................
SG2526 ...........................................................
SG3526 ...............................................................
1nF to 20
μ
F
3% to 50%
-55
°
C to 125
°
C
-25
°
C to 85
°
C
0
°
C to 70
°
C
Note 2. Range over which the device is functional.
RECOMMENDED OPERATING CONDITIONS
(Note 2)
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1526 with -55
°
C
≤
T
≤
125
°
C, SG2526 with
-25
°
C
≤
T
≤
85
°
C, SG3526 with 0
°
C
≤
T
≤
70
°
C, and V
IN
= 15V. Low duty cycle pulse testing techniques are used which maintains junction and case
temperatures equal to the ambient temperature.)
Reference Section
(Note 3)
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
(Note 9)
Total Output Voltage Range
(Note 9)
Short Circuit Current
Undervoltage Lockout Section
RESET Output Voltage
RESET Output Voltage
T
J
= 25
°
C
V
= 8 to 35V
I
= 0 to 20mA
Over Operating T
Over Recommended Operating Conditions
V
REF
= 0V
SG3526
Units
V
REF
= 3.8V
V
REF
= 4.8V
V
V
Parameter
Test Conditions
4.95
4.90
5.00
10
10
15
5.00
50
SG1526/2526
Min. Typ. Max.
2.4
0.2
4.8
0.4
5.05
30
30
50
5.10
125
4.90
4.85
5.00
10
10
15
5.00
50
5.10
30
50
50
5.15
125
V
mV
mV
mV
V
mA
Min. Typ. Max.
0.4
0.2
4.8
2.4
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| SG1527AL | REGULATING PULSE WIDTH MODULATOR |
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