SG1525A/SG1527A SERIES
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (+V
IN
) ....................................................... 40V
Collector Supply Voltage (V
C
) ........................................... 40V
Logic Inputs ....................................................... -0.3V to 5.5V
Analog Inputs ....................................................... -0.3V to V
IN
Output Current, Source or Sink ................................... 500mA
Reference Load Current ............................................... 50mA
Note 1. Values beyond which damage may occur.
Oscillator Charging Current ............................................
Operating Junction Temperature Range
Hermetic (J, L Packages) .....................................
Plastic (N, DW Packages ) .......................................
Storage Temperature Range .......................... -65°C to
Lead Temperature (Soldering, 10 seconds) .................
5mA
150°C
150°C
150°C
300°C
THERMAL DATA
J Package:
Thermal Resistance-
Junction to Case
,
θ
JC
.................. 30°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
.............. 80°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
N Package:
Thermal Resistance-
Junction to Case
,
θ
JC
................... 40°C/W
Thermal Resistance-
Junction to Ambient
,
θ
JA
............. 65°C/W
Note A. Junction Temperature Calculation: T
J
= T
A
+ (P
D
x
θ
JA
).
Note B. The above numbers for
θ
JC
are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The
θ
JA
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)
Input Voltage (+V
IN
) ................................................ 8V to 35V
Collector Voltage (V
C
) .......................................... 4.5V to 35V
Sink/Source Load Current (steady state) ............. 0 to 100mA
Sink/Source Load Current (peak) ......................... 0 to 400mA
Reference Load Current ........................................ 0 to 20mA
Oscillator Frequency Range ....................... 100Hz to 350KHz
Oscillator Timing Resistor (R
T
) ........................ 2KΩ to 150KΩ
Note 2: Range over which the device is functional.
Deadtime Resistor Range (R
D
) ............................. 0Ω to 500Ω
Maximum Shutdown Source Impedance ......................... 5KΩ
Oscillator Timing Capacitor (C
T
) ................... 0.001µF to 0.1µF
Operating Ambient Temperature Range
SG1525A/SG1527A .................................... -55°C to 125°C
SG2525A/SG2527A ...................................... -25°C to 85°C
SG3525A/SG3527A ......................................... 0°C to 70°C
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1525A/SG1527A with -55°C
≤
T
A
≤
125°C,
SG2525A/SG2527A with -25°C
≤
T
A
≤
85°C, SG3525A/SG3527A with 0°C
≤
T
A
≤
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.)
ELECTRICAL CHARACTERISTICS
Parameter
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
(Note 3)
Total Output Voltage Range
(Note 3)
Short Circuit Current
Output Noise Voltage
(Note 3)
Long Term Stability
(Note 3)
Test Conditions
SG1525A/2525A
SG3525A
Units
SG1527A/2527A
SG3527A
Min. Typ. Max. Min. Typ. Max.
5.05 5.10
10
20
20
5.00
80
40
20
5.15 5.00 5.10 5.20
V
30
10
30
mV
50
20
50
mV
50
20
50
mV
5.20 4.95
5.25
V
100
80 100
mA
200
40 200
µVrms
50
20
50 mV/khr
T
J
= 25°C
V
IN
= 8V to 35V
I
L
= 0 to 20mA
Over Operating Temperature Range
Over Line, Load and Temperature
V
REF
= 0V, T
J
= 25°C
10Hz
≤
f
≤
10KHz, T
J
= 25°C
T
J
= 125°C
Note 3. These parameters, although guaranteed over the recommended operating conditions, are not 100% tested in production.
Note 4. F
OSC
= 40KHz (R
T
= 3.6KΩ, C
T
= 0.01µF, R
D
= 0Ω)
Note 5. Applies to SG1525A/2525A/3525A only, due to polarity of output pulses.
11/91 Rev 1.3 10/96
Copyright
©
1996
2
11861 Western Avenue
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
L
INFINITY
Microelectronics Inc.
MICROSEMI [ MICROSEMI CORPORATION ]
