ip3525a Semelab Group, ip3525a Datasheet

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ip3525a

Manufacturer Part Number
ip3525a
Description
Regulating Pulse Width Modulators
Manufacturer
Semelab Group
Datasheet

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LAB
ABSOLUTE MAXIMUM RATINGS
+V
P
P
T
T
T
Semelab plc.
SEME
Part
Number
IP1525A
IP1527A
IP3525A
IP3527A
J
STG
L
D
D
IN
OSC. OUTPUT
SOFT START
N Package – 16 Pin Plastic DIP
D Package – 16 Pin Plastic (300) SOIC
DISCHARGE
J Package – 16 Pin Ceramic DIP
INV. INPUT
N. I. INPUT
J–Pack
SYNC
16 Pin
Input Voltage
Collector Voltage
Logic Inputs
Analogue Inputs
Output Current, Source or Sink
Reference Output Load Current
Oscillator Charging Current
Power Dissipation
Power Dissipation
Operating Junction Temperature
Storage Temperature Range
Lead Temperature
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
C
R
T
T
1
2
3
4
5
6
7
8
TOP VIEW
N–Pack
16 Pin
16
15
14
13
12
11
10
9
COMPENSATION
V
V
OUTPUT B
V
GROUND
OUTPUT A
SHUTDOWN
16 Pin
REF
IN
C
D–16
T
Derate @ T
T
Derate @ T
(soldering, 10 seconds)
Order Information
-55 to +125°C
-55 to +125°C
(T
A
C
0 to +70°C
0 to +70°C
= 25°C
= 25°C
case
Range
Temp.
= 25°C unless otherwise stated)
A
C
> 50°C
> 25°C
FEATURES
• 8 to 35V operation
• 5.1V reference trimmed to ±1%
• 100Hz to 500kHz oscillator range
• Separate oscillator sync terminal
• Adjustable deadtime control
• Internal soft start
• Input undervoltage lockout
• Latching PWM to prevent multiple pulses
• Dual source/sink output drivers
Note:
To order, add the package identifier to the part number.
eg.
IP1525AJ
IP3527AD–16
MODULATORS
PULSE WIDTH
REGULATING
IP1525A SERIES
IP1527A SERIES
See Ordering Information
Internally Limited
–65 to +150°C
–0.3 to +5.5V
–0.3 to +V
10mW/°C
16mW/°C
+300°C
500mA
+40V
+40V
5mA
1W
2W
IN
Prelim. 3/95

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ip3525a Summary of contents

Page 1

... J Package – 16 Pin Ceramic DIP N Package – 16 Pin Plastic DIP D Package – 16 Pin Plastic (300) SOIC Part J–Pack N–Pack Number 16 Pin 16 Pin IP1525A IP1527A IP3525A IP3527A ABSOLUTE MAXIMUM RATINGS +V Input Voltage IN Collector Voltage Logic Inputs Analogue Inputs Output Current, Source or Sink Reference Output Load Current ...

Page 2

... TO INTERNAL CIRCUITRY FLIP OSC. OUTPUT FLOP 4 Q OSCILLATOR PWM LATCH REF 5k IP1525A / IP1527A IP3525A / IP3527A IP1525A SERIES IP1527A SERIES OUTPUT A 14 OUTPUT B IP1525A OUTPUT STAGE OUTPUT A 14 OUTPUT B IP1527A OUTPUT STAGE +8 to +35V +4.5 to +35V ...

Page 3

... T = 25° Test Conditions unless otherwise stated 20V –55 to +125°C for IP1525A / IP1527A +70°C for IP3525A / IP3527A J 2. Oscillator Section Test Conditions 40kHz ( OSC T Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612 Over Operating Temperature Range unless otherwise stated) ...

Page 4

... V = 35V IN 1. Test Conditions unless otherwise stated 20V –55 to +125°C for IP1525A / IP1527A +70°C for IP3525A / IP3527A J 2. Oscillator Section Test Conditions 40kHz ( OSC T Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612 Over Operating Temperature Range unless otherwise stated) J – ...

Page 5

SEME LAB IP1525A For single–ended supplies, the driver outputs are ...

Page 6

SEME LAB TYPICAL PERFORMANCE CHARACTERISTICS Oscillator Charge Time vs R and C T 200 100 100 200 CHARGE TIME ( s) Error Amplifier Open–Loop Frequency Response 100 80 ...

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