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IP1845JE1

Description
1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP8, CERAMIC, DIP-8
CategoryPower/power management    The power supply circuit   
File Size58KB,6 Pages
ManufacturerSEMELAB
Environmental Compliance
Download Datasheet Parametric Compare View All

IP1845JE1 Overview

1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP8, CERAMIC, DIP-8

IP1845JE1 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerSEMELAB
Parts packaging codeDIP
package instructionDIP,
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Base Number Matches1
LAB
TOP VIEW
COMP
1
V
FB
2
I
SENSE
3
R
T
/C
T
4
8
7
6
5
SEME
IP1844 SERIES
IP1845 SERIES
V
REF
V
CC
OUTPUT
GROUND
CURRENT MODE
REGULATING
PULSE WIDTH
MODULATORS
FEATURES
Guaranteed ±1% reference voltage tolerance
Guaranteed ±10% frequency tolerance
Low start–up current (<500
m
A)
Under voltage lockout with hysteresis
Output state completely defined for all supply
and input conditions
• Interchangeable with UC1844 and UC1845
series for improved operation
• 500kHz Oscillator operation
250kHz Output operation
J Package – 8 Pin Ceramic DIP
N Package – 8 Pin Plastic DIP
D-8 Package – 8 Pin Plastic (150) SOIC
TOP VIEW
COMP
1
N/C
2
14
13
12
11
10
9
V
REF
N/C
V
CC
V
C
OUTPUT
GROUND
V
FB
3
N/C
4
I
SENSE
5
N/C
6
R
T
/C
T
7
POWER
8
GROUND
D-14 Package – 14 Pin Plastic (150) SOIC
Order Information
Part
Number
IP1844
IP2844
IP3844
IP1845
IP2845
IP3845
J–Pack
8 Pin
N–Pack
8 Pin
D–8
8 Pin
D–14
14 Pin
Temp.
Range
-55 to +125°C
-25 to +85°C
0 to +70°C
-55 to +125°C
-25 to +85°C
0 to +70°C
Note:
To order, add the package identifier to the
part number.
eg.
IP1844D–14
IP3845J
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25°C unless otherwise stated)
V
CC
I
O
Supply Voltage
Output Current
Output Energy
Analog Inputs
Error Amp Output Sink Current
Power Dissipation
Derate @ T
amb
> 50°C
Power Dissipation
Derate @ T
amb
> 50°C
Power Dissipation
Derate @ T
case
> 25°C
Storage Temperature Range
Lead Temperature
(low impedance source)
(I
CC
< 30mA)
(capacitive load)
(pins 2 and 3)
T
amb
= 25°C
T
case
= 25°C
T
case
= 25°C
J, N Packages
D Package
J, N Packages
+30V
Self limiting
±1A
5µJ
–0.3V to +V
CC
10mA
1W
10mW/°C
725mW
7.25mW/°C
2W
16mW/°C
–65 to 150°C
+300°C
Prelim. 2/95
P
D
P
D
P
D
T
STG
T
L
(soldering, 10 seconds)
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.

IP1845JE1 Related Products

IP1845JE1 IP3844D-8E3 IP3845D-8E3
Description 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, CDIP8, CERAMIC, DIP-8 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SOIC-8 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SOIC-8
Is it lead-free? Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to
Maker SEMELAB SEMELAB SEMELAB
Parts packaging code DIP SOIC SOIC
package instruction DIP, SOP, SOP,
Contacts 8 8 8
Reach Compliance Code compliant compliant compliant
ECCN code EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types - SWITCHING CONTROLLER SWITCHING CONTROLLER
control mode - CURRENT-MODE CURRENT-MODE
Control Technology - PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage - 30 V 30 V
Minimum input voltage - 12 V 12 V
Nominal input voltage - 15 V 15 V
JESD-30 code - R-PDSO-G8 R-PDSO-G8
JESD-609 code - e3 e3
length - 4.9 mm 4.9 mm
Number of functions - 1 1
Number of terminals - 8 8
Maximum operating temperature - 70 °C 70 °C
Maximum output current - 1 A 1 A
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - SOP SOP
Package shape - RECTANGULAR RECTANGULAR
Package form - SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) - NOT SPECIFIED NOT SPECIFIED
Certification status - Not Qualified Not Qualified
Maximum seat height - 1.75 mm 1.75 mm
surface mount - YES YES
Switch configuration - SINGLE SINGLE
Maximum switching frequency - 500 kHz 500 kHz
Temperature level - COMMERCIAL COMMERCIAL
Terminal surface - TIN TIN
Terminal form - GULL WING GULL WING
Terminal pitch - 1.27 mm 1.27 mm
Terminal location - DUAL DUAL
Maximum time at peak reflow temperature - NOT SPECIFIED NOT SPECIFIED
width - 3.9 mm 3.9 mm
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