Datasheet

 
  
SLVS077D – APRIL 1977 – REVISED FEBRUARY 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions
MIN MAX
UNIT
V
CC
Supply voltage 8 40 V
Reference output current 0 50 mA
Current through CT terminal –0.03 –2 mA
R
T
Timing resistor 1.8 100 kΩ
C
T
Timing capacitor 0.001 0.1 µF
T
A
O
p
erating free air tem
p
erature
SG2524 –25 85
°C
T
A
Operating free-air temperature
SG3524 0 70
°C
electrical characteristics over recommended operating free-air temperature range, V
CC
= 20 V,
f = 20 kHz (unless otherwise noted)
reference section
PARAMETER
TEST CONDITIONS
†
SG2524 SG3524
UNIT
PARAMETER
TEST CONDITIONS
†
MIN TYP
‡
MAX MIN TYP
‡
MAX
UNIT
Output voltage 4.8 5 5.2 4.6 5 5.4 V
Input regulation V
CC
= 8 V to 40 V 10 20 10 30 mV
Ripple rejection f = 120 Hz 66 66 dB
Output regulation I
O
= 0 mA to 20 mA 20 50 20 50 mV
Output voltage change with temperature T
A
= MIN to MAX 0.3% 1% 0.3% 1%
Short-circuit output current
§
V
ref
= 0 100 100 mA
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡
All typical values, except for temperature coefficients, are at T
A
= 25°C
§
Standard deviation is a measure of the statistical distribution about the mean, as derived from the formula:
s +
ȍ
N
n+1
(x
n
* X)
2
N * 1
Ǹ
oscillator section
PARAMETER
TEST CONDITIONS
†
MIN TYP
‡
MAX UNIT
f
osc
Oscillator frequency C
T
= 0.001 µF, R
T
= 2 kΩ 450 kHz
Standard deviation of frequency
§
All values of voltage, temperature, resistance,
and capacitance constant
5%
∆f
Frequency change with voltage V
CC
= 8 V to 40 V, T
A
= 25°C 1%
∆f
osc
Frequency change with temperature T
A
= MIN to MAX 2%
Output amplitude at OSC OUT T
A
= 25°C 3.5 V
t
w
Output pulse duration (width) at OSC OUT C
T
= 0.01 µF, T
A
= 25°C 0.5 µs
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡
All typical values, except for temperature coefficients, are at T
A
= 25°C
§
Standard deviation is a measure of the statistical distribution about the mean, as derived from the formula:
s +
ȍ
N
n+1
(x
n
* X)
2
N * 1
Ǹ