Philips Semiconductors Linear Products
Product specification
Current-mode PWM controller
UC3842
ORDERING INFORMATION
DESCRIPTION
8-Pin Plastic Dual In-Line Package (DIP)
14-Pin Plastic Small Outline (SO) Package
TEMPERATURE RANGE
0 to +70°C
0 to +70°C
ORDER CODE
UC3842N
UC3842D
DWG #
0404B
0405B
ABSOLUTE MAXIMUM RATINGS
1
SYMBOL
V
CC
V
CC
I
OUT
PARAMETER
Supply voltage (I
CC
<30mA)
Supply voltage
(low impedance source)
Output current
2, 3
Output energy (capacitive load)
Analog inputs (Pin 2, Pin 3)
Error amp output sink current
P
D
T
STG
T
SOLD
Power dissipation at T
A
≤70°C
(derate 12.5mW/°C for T
A
>70°C)
2
Storage temperature range
Lead temperature
(soldering, 10sec max)
-65 to +150
300
°C
°C
30
±1
5
-0.3 to 6.3
10
1
RATING
UNIT
Self-Limiting
V
A
µJ
V
mA
W
NOTES:
1. All voltages are with respect to Pin 5; all currents are positive into the specified terminal.
2. See section in application note on “Power Dissipation Calculation”.
3. This parameter is guaranteed, but not 100% tested in production.
August 31, 1994
1101
PHILIPS [ NXP SEMICONDUCTORS ]
