SG2540 Просмотр технического описания (PDF) - Microsemi Corporation
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SG2540 Datasheet PDF : 6 Pages
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SG1540/SG2540/SG3540
ABSOLUTE MAXIMUM RATINGS (Note 1)
Supply Voltage (+VIN) ........................................................ +37V
DC Output Current, Continuous (VOUT) ........................... 100mA
AC Output Current, Continuous ..................................... 200mA
Analog Inputs (Start and Overvoltage) ................. -0.3V to 6.0V
Analog Input Currents (V>8V) .......................................... 10mA
Overvoltage Crowbar Current, Continuous ..................... 50mA
Note 1. Values beyond which damage may occur.
Overvoltage Crowbar Energy (½CV²) ................................. 8mJ
Operating Junction Temperature
Hermetic (Y Package) ................................................ 150°C
Plastic (M, DW Packages) .......................................... 150°C
Storage Temperature Range ............................ -65°C to 150°C
Lead Temperature (Soldering, 10 Seconds) .................. 300°C
THERMAL DATA
Y Package:
Thermal Resistance-Junction to Case, θJC .................. 50°C/W
Thermal Resistance-Junction to Ambient, θJA ............ 130°C/W
M Package:
Thermal Resistance-Junction to Case, θJC .................. 60°C/W
Thermal Resistance-Junction to Ambient, θJA ............. 95°C/W
DW Package:
Thermal Resistance-Junction to Case, θJC .................. 40°C/W
Thermal Resistance-Junction to Ambient, θJA ............. 95°C/W
Note A.
Junction Temperature Calculation:
T
J
=
T
A
+
(P
D
x
θ
).
JA
Note B. The above numbers for θJC are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The θJA numbers are meant to be
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
RECOMMENDED OPERATING CONDITIONS (Note 2)
Supply Voltage Range ............................................... 7V to 35V
DC Output Current, Continuous ................................ 0 to 50mA
AC Output Current, Continuous ............................. 0 to 100 mA
Oscillator Frequency Range ........................... 1KHz to 400KHz
Timing Resistor Range ...................................... 2KΩ to 150KΩ
Note 2. Range over which the device is functional.
Timing Capacitor Range ........................................ 1nF to 20µF
Operating Ambient Temperature Range
SG1540 ........................................................... -55°C to 125°C
SG2540 ............................................................. -25°C to 85°C
SG3540 ................................................................ 0°C to 70°C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1540 with -55°C ≤ TA ≤ 125°C, SG2540 with
-25°C ≤ TA ≤ 85°C, SG3540 with 0°C ≤ TA ≤ 70°C, and +VIN = 15V. A 0.1µF high frequency bypass capacitor is recommended on VIN. Low duty cycle
testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
Parameter
Start-up Section
Start Current ICC
Operating Current
Start Threshold
Start Bias Current
Start Clamp Voltage
Hysteresis ON Voltage
DC Output Section
V Voltage
OUT
Short Circuit Current
Test Conditions
VSTART = 0 to 2.37V
VTIMING = +VIN; VOUT Open
FOSC = 50KHz, VOUT and AC OUT Open
VPIN 1 = 0 to 5V
IPIN 1 = 1mA
I = 100µA
PIN 4
I
= 10mA
SOURCE
ISOURCE = 50mA
VOUT = 0V
SG1540/2540/3540 Units
Min. Typ. Max.
0.2 0.4 mA
0.3 0.6 mA
3 6 mA
2.37 2.50 2.63 V
0.1 1 µA
678
V
0.1 0.2 V
12.5 13.5
V
12.0 13.0
V
50 100 225 mA
4/90 Rev 1.1 2/94
Copyright © 1994
LINFINITY Microelectronics Inc.
2
11861 Western Avenue ∞ Garden Grove, CA 92841
(714) 898-8121 ∞ FAX: (714) 893-2570
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