SG3524 Просмотр технического описания (PDF) - Philips Electronics
Номер в каталоге
Компоненты Описание
производитель
SG3524 Datasheet PDF : 5 Pages
| |||
Philips Semiconductors
SMPS control circuit
Product specification
SG3524
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
VIN
IOUT
IREF
Input voltage
Output current (each output)
Reference output current
Oscillator charging current
PD
Power dissipation
Package limitation
TA
TSTG
Derate above 25°C
Operating temperature range
Storage temperature range
RATING
40
100
50
5
1000
8
0 to +70
-65 to +150
UNIT
V
mA
mA
mA
mW
mW/°C
°C
°C
DC ELECTRICAL CHARACTERISTICS
TA=0°C to +70°C, VIN=20V, and f=20kHz, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
Reference section
VOUT
Output voltage
Line regulation
Load regulation
Ripple rejection
ISC
Short circuit current limit
Temperature stability
Long-term stability
Oscillator section
fMAX
Maximum frequency
Initial accuracy
Voltage stability
Temperature stability
Output amplitude
Output pulse width
Error amplifier section
VOS
IBIAS
Input offset voltage
Input bias current
Open-loop voltage gain
VCM
CMRR
Common-mode voltage
Common-mode rejection ratio
BW
Small-signal bandwidth
VOUT
Output voltage
Comparator section
Duty cycle
Input threshold
Input threshold
IBIAS
Input bias current
Current limiting section
Sense voltage
Sense voltage T.C.
VCM
Common-mode voltage
VIN=8 to 40V
IL=0 to 20mA
f=120Hz, TA=25°C
VREF=0, TA=25°C
Over operating temperature range
TA=25°C
CT=0.001 µF, RT=2kΩ
RT and CT constant
VIN=8 to 40V, TA=25°C
Over operating temperature range
Pin 3, TA=25°C
CT=0.01 µF, TA=25°C
VCM=2.5V
VCM=2.5V
TA=25°C
TA=25°C
AV=0dB, TA=25°C
TA=25°C
% each output “ON”
Zero duty cycle
Maximum duty cycle
Pin 9=2V with error amplifier set for maximum out,
TA=25°C
LIMITS
Min Typ Max
4.6
5.0
5.4
10
30
20
50
66
100
0.3
1
20
300
5
1
2
3.5
0.5
2
10
2
10
68
80
1.8
3.4
70
3
0.5
3.8
0
45
1
3.5
1
180 200 220
0.2
-1
+1
UNIT
V
mV
mV
dB
mA
%
mV/kHz
kHz
%
%
%
VP
µs
mV
µA
dB
V
dB
MHz
V
%
V
V
µA
mV
mV/°C
V
1994 Aug 31
2
Share Link: 