|
AIC3843 Datasheet, PDF (2/11 Pages) Analog Intergrations Corporation – Current-Mode PWM Controller | |||
|
◁ |
AIC3843
n ORDERING INFORMATION
AIC3843CXXX
PIN CONFIGURATION
PACKING TYPE
TR: TAPE & REEL
TB: TUBE
DIP-8
SO-8
TOP VIEW
COMP 1
PACKAGE TYPE
N: PLASTIC DIP
S: SMALL OUTLINE
Example: AIC3843CSTR
VFB 2
ISENSE 3
RT/CT 4
à in SO-8 Package & Taping & Reel Packing Type
8 VREF
7 VCC
6 OUTPUT
5 GND
(CN is not available in TR packing type.)
n ABSOLUTE MAXIMUM RATINGS
Supply Voltage (Low Impedance Source ) ⦠..........⦠⦠⦠⦠.............⦠⦠⦠⦠⦠⦠........................ 30V
Supply Voltage (ICC<30mA) ...................⦠..⦠⦠⦠⦠.⦠⦠⦠..⦠⦠................⦠⦠⦠.......... Self Limiting
Output Current ..............⦠⦠⦠⦠⦠⦠⦠⦠⦠....⦠⦠⦠⦠....................⦠⦠⦠.⦠⦠⦠.........⦠......... ±1A
Output Energy (Capacitive Load) ...................⦠........⦠⦠⦠⦠⦠.⦠.........⦠⦠⦠.⦠...................... 5µJ
Analog Inputs (Pins 2, 3) ⦠.....⦠⦠⦠⦠⦠⦠⦠⦠...⦠......⦠⦠⦠⦠.................⦠⦠⦠.... -0.3V to +6.3V
Error Amp Output Sink Current ......⦠....⦠.⦠⦠...⦠⦠⦠⦠................⦠⦠⦠.⦠⦠⦠⦠............... 10mA
Operation Temperature Range ......⦠....⦠.⦠⦠...⦠⦠⦠⦠.................⦠⦠⦠⦠............... -40°C~85°C
Power Dissipation at TA â¤25°C DIP Package ......⦠⦠⦠⦠⦠⦠⦠⦠⦠....⦠⦠⦠⦠..⦠⦠............... 1W
SOIC Package .........⦠⦠.⦠..⦠.....⦠⦠⦠⦠⦠⦠⦠............. 725mW
Storage Temperature Range .....⦠⦠...⦠⦠⦠⦠...........................⦠⦠......⦠⦠⦠⦠-65°C to +150°C
Lead Temperature (Soldering, 10 seconds) .....⦠⦠...⦠⦠⦠⦠..⦠⦠⦠⦠⦠.⦠⦠....⦠⦠........... 300°C
Note 1: All voltages are with respect to Pin 5.
All currents are positive into the specified terminal.
n TEST CIRCUIT
VREF
R5
4.7K
Q2
2N2222
Error Amp.
Adjust R6
10K
R7
4.7K
R4
100K
ISENSE
Adjust R3
5K
RT
COMP
VREF
VFB
VCC
ISENSE OUTPUT
RT/CT
GND
A
C2
0.1µF
R1
1K
1W
C1
0.1µF
VCC
S1
OUTPUT
AIC3843
CT
GROUND
2
|
▷ |