IP1524B SERIES
SEME
LAB
REGULATING
PULSE WIDTH
MODULATORS
TOP VIEW
1
2
3
4
5
6
7
8
16 VREF
INV. INPUT
N. I. INPUT
OSC. OUTPUT
+C.L. SENSE
–C.L. SENSE
RT
15 V
IN
FEATURES
• Pin Compatible with IP1524 Series
14
13
12
11
10
9
EB
CB
• 7 to 40 volt operation
CA
• 5 volt reference trimmed to ±1%
• Undervoltage lockout
EA
• Excellent external sync capability
• Wide current limit common mode range
• +5 Volt error amplifier common mode
• PWM data latch
CT
SHUTDOWN
COMPENSATION
GROUND
J Package – 16 Pin Ceramic DIP
N Package – 16 Pin Plastic DIP
D Package – 16 Pin Plastic (300) SOIC
• Full double-pulse suppression logic
• 50ns shutdown function
• Dual 200mA, 60V output transistors
• Fully specified over temperature
Order Information
Part
Number
J–Pack
16 Pin
N–Pack
16 Pin
D–16
16 Pin
Temp.
Range
Note:
To order, add the package identifier to the part number.
eg.
IP1524BJ
IP3524BD–16
IP1524B
IP2524B
IP3524B
✔
✔
✔
-55 to +125°C
-25 to +85°C
0 to +70°C
✔
✔
✔
✔
ABSOLUTE MAXIMUM RATINGS (T
= 25°C unless otherwise stated)
case
+V
Input Voltage
+40V
+60V
IN
Collector Voltage
Logic Inputs
–0.3 to +5.5V
Current Limit Sense Inputs
Oscillator Charging Current
Power Dissipation
–0.3 to +V
5mA
IN
P
P
T = 25°C
1W
D
D
J
A
Derate @ T > 50°C
10mW/°C
A
Power Dissipation
T = 25°C
2W
C
Derate @ T > 25°C
16mW/°C
C
T
T
T
Operating Junction Temperature
Storage Temperature Range
Lead Temperature
See Ordering Information
–65 to +150°C
+300°C
STG
L
(soldering, 10 seconds)
Prelim. 3/95
Semelab plc. Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.