ip3525a Semelab Group, ip3525a Datasheet - Page 4

• Manufacturer Part Number: ip3525a
• Description: Regulating Pulse Width Modulators
• Manufacturer: Semelab Group

LAB
ELECTRICAL CHARACTERISTICS
1. Test Conditions unless otherwise stated:
2. Oscillator Section Test Conditions:
Semelab plc.
SEME
Common Mode Rejection
Supply Voltage Rejection
Minimum Duty Cycle
Maximum Duty Cycle
Input Threshold
Input Threshold
Input Bias Current
Soft Start Current
Soft Start Low Level
Shutdown Threshold
Shutdown Input Current
Shutdown Delay
Output Low Level
Output High Level
Undervoltage Lockout
Output Leakage
Rise Time
Fall Time
Supply Current
Parameter
Output Low Level
Output High Level
V
T
T
f
OSC
J
J
IN
= –55 to +125°C for IP1525A / IP1527A
= 0 to +70°C
= 20V
= 40kHz
Telephone [phone]. Telex: 341927. Fax [phone].
for IP3525A / IP3527A
(R
T
= 3.6k , C
ERROR AMPLIFIER SECTION (cont.)
V
V
PWM COMPARATOR
V
V
Zero Duty Cycle
Max. Duty Cycle
SHUTDOWN SECTION
V
V
To Outputs
V
V
OUTPUT DRIVERS (each output)
I
I
I
I
V
V
C
C
TOTAL STANDBY CURRENT
V
Test Conditions
SINK
SINK
SOURCE
SOURCE
CM
IN
PIN1
PIN2
SHUTDOWN
SHUTDOWN
SHUTDOWN
SHUTDOWN
COMP
C
IN
L
L
= 1nF
= 1nF
= 35V
= 8 to 35V
= 35V
= 1.5 to 5.2V
= 20mA
= 100mA
– V
– V
= High
= 20mA
= 100mA
PIN2
PIN1
T
= 0.01 F , R
= 0V
= 2V
= 2.5V
= 2.5V
150mV
150mV
T
T
(T
J
J
= 25°C
= 25°C
J
= Over Operating Temperature Range unless otherwise stated)
D
T
J
= 0)
= 25°C
NOTES
3. Error Amplifier Section Test Condition:
4. Output Driver Section Test Condition:
4
V
V
CM
C
3
Min.
= 20V
3.8
0.6
0.6
60
50
45
25
18
17
5
= 5.1V
IP1525A
IP1527A
Typ.
0.05
100
0.2
5.6
0.9
3.3
0.4
1.3
0.1
0.2
0.2
1.0
75
60
49
50
19
18
50
10
7
Max.
200
600
300
0.5
3.6
1.0
0.6
2.0
1.0
0.5
0.4
2.0
80
20
0
8
IP1525A SERIES
IP1527A SERIES
Min.
3.8
0.6
0.6
60
50
45
25
18
17
5
IP3525A
IP3527A
Typ.
0.05
100
0.2
5.6
0.9
3.3
0.4
1.3
0.1
0.2
0.2
1.0
75
60
49
50
19
18
50
10
7
Max.
200
600
300
0.5
3.6
1.0
0.6
2.0
1.0
0.5
0.4
2.0
80
20
0
8
Prelim. 3/95
Units
mA
mA
dB
ns
%
V
V
V
V
V
V
A
A
A
s