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