SG2525AN STMicroelectronics, SG2525AN Datasheet - Page 4

• Manufacturer Part Number: SG2525AN
• Description: IC MODULATOR REG PULSE 16 DIP
• Manufacturer: STMicroelectronics
• Type: Pulse Width Modulator Controllerr

Specifications of SG2525AN

• Pwm Type: Voltage Mode
• Number Of Outputs: 2
• Frequency - Max: 500kHz
• Duty Cycle: 49%
• Voltage - Supply: 8 V ~ 35 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -25°C ~ 85°C
• Package / Case: 16-DIP (0.300", 7.62mm)
• Frequency-max: 500kHz
• Output Voltage: 5.15 V
• Input Voltage: 8 V to 35 V
• Switching Frequency: 500 KHz
• Operating Temperature Range: - 25 C to + 85 C
• Mounting Style: Through Hole
• Duty Cycle (max): 49 %
• Common Mode Rejection Ratio: 75
• Current, Input Bias: 1 μA
• Current, Input Offset: 1 μA
• Current, Output: 0 to 100 mA (Steady State), 0 to 400 mA (Peak)
• Current, Supply: 14 mA
• Frequency, Oscillator: 400 kHz
• Package Type: DIP-16
• Power Dissipation: 1000 mW
• Regulation, Line: 10 mV
• Regulation, Load: 20 mV
• Temperature, Operating, Range: -25 to +85 °C
• Time, Fall: 50 ns
• Time, Rise: 100 ns
• Transconductance: 1.5
• Voltage, Gain: 75 dB
• Voltage, Input: 35 V
• Voltage, Noise: 40 μV
• Voltage, Offset: 0.5 mV
• Voltage, Output: 5.1 V
• Voltage, Output, High: 18 V
• Voltage, Output, Low: 1 V
• Voltage, Supply: 4.5 to 35 V
• Voltage, Supply, Rejection Ratio: 60 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2038-5

SG2525A-SG3525A
ELECTRICAL CHARACTERISTICS (continued)
* These parameters, although guaranteed over the recommended operating conditions, are not 100 % tested in production.
.
4/12
PWM COMPARATOR
SHUTDOWN SECTION
OUTPUT DRIVERS (each output) (V
TOTAL STANDBY CURRENT
Symbol
Tested at f
f =
DC transconductance (g
from pin 9 to ground. The minimum g
t
t
I
I
*
*
r
f
C
s
*
*
C
T
(0.7 R
osc
Minimum Duty-cycle
Maximum Duty-cycle
Input Threshold
Input Bias Current
Soft Start Current
Soft Start Low Level
Shutdown Threshold
Shutdown Input Current V
Shutdown Delay
Output Low Level
Output High Level
Under-Voltage Lockout
Collector Leakage
Rise Time
Fall Time
Supply Current
= 40 KHz (R
1
T
+ 3 R
Parameter
D
)
M
) relates to DC open-loop voltage gain (G
T
= 3.6 K , C
M
specification is used to calculate minimum G
T
= 10nF, R
Zero Duty-cycle
Maximum Duty-cycle
V
V
To outputs, V
T
V
I
I
I
I
V
V
C
C
C
sink
sink
source
source
SD
SD
j
SD
SD
comp
C
L
L
= 20 V)
= 25 C
= 1 nF, T
= 1 nF, T
= 35 V
Test Conditions
= 20 mA
= 100 mA
= 0 V, V
= 2.5 V
= 2.5 V
= 2.5 V T
D
= 20 mA
= 100 mA
and V
= 0 ). Approximate oscillator frequency is defined by :
V
i
= 35 V
ss
SS
j
j
j
SS
= High
= 25 C
= 25 C
= 25 C
= 0 V
= 5.1 V
v
) according to the following equation : G
Min.
0.7
0.6
45
25
18
17
6
SG2525A
v
when the error amplifier output is loaded.
Typ.
0.05
100
0.9
3.3
0.4
0.8
0.4
0.2
0.2
49
50
19
18
50
14
1
7
Max.
200
600
300
3.6
0.7
0.5
0.4
80
20
0
1
1
1
2
8
Min.
0.7
0.6
25
18
17
45
v
6
= g
SG3525A
M
R
Typ.
0.05
100
L
0.9
3.3
0.4
0.8
0.4
0.2
0.2
49
50
19
18
50
14
where R
1
7
Max.
200
600
300
3.6
0.7
0.5
0.4
L
80
20
0
1
1
1
2
8
is the resistance
Unit
mA
mA
ns
ns
%
%
V
V
V
V
V
V
V
V
V
A
A
A
s