UC3842A-D08-T UTC [Unisonic Technologies], UC3842A-D08-T Datasheet - Page 4

• Manufacturer Part Number: UC3842A-D08-T
• Description: CURRENT MODE PWM CONTROL CIRCUITS
• Manufacturer: UTC [Unisonic Technologies]

UC3842A/3843A
Current Sense section
Gain
Maximum Input signal
PSRR
Input Bias Current
Delay to Output
Output Section
Output Level
Rise Time
Fall Time
Under-Voltage Lockout Output Section
Start Threshold
Min. Operating Voltage
PWM Section
Duty Cycle
Total Standby Current
Start-up Current
Operating Supply Current
V
Note:1.These parameters, although guaranteed ,are not 100% tested in production.
CC
Zener Voltage
ELECTRICAL CHARACTERISTICS(Cont.)
2. Parameters measured at trip point of latch with Vpin 2=0.
3. Gain defined as:
4. Adjust V
A=
PARAMETER
UNISONIC TECHNOLOGIES CO., LTD
∆Vpin 1
∆Vpin 3
www.unisonic.com.tw
CC
above the start threshold before setting at 15V.
; 0
3842A
3843A
3842A
3843A
≦
MAX
High
Low
Min
Vpin3
≦
SYMBOL
0.8V
V
I
V
V
D
CC(OPR)
OPR(MIN)
D
I
V
V
TH(ST)
I(MAX)
G
BIAS
(MAX)
I
V
(MIN)
t
t
ST
OL
OH
R
F
V
z
(Note 2,3)
Vpin 1=5V( Note 2)
12≦V
Vpin 3=0 to 2V
I
I
I
I
T
T
After Turn On
Vpin 2=Vpin 3=0V
I
O(SINK)
O(SINK)
O(SOURCE)
O(SOURCE)
CC
J
J
=25°C,C
=25°C,C
=25mA
CC
=20mA
=200mA
≦25V
=20mA
=200mA
TEST CONDITIONS
L
L
=1nF(Note 1)
=1nF(Note 1)
LINEAR INTEGRATED CIRCUIT
2.85
14.5
MIN
0.9
7.8
8.5
13
12
95
7
TYP
13.5
13.5
0.12
150
0.1
1.5
8.4
7.6
70
50
50
16
10
97
34
11
-2
3
1
MAX
3.15
17.5
11.5
300
150
150
100
1.1
-10
0.4
2.2
8.2
0.3
17
9
0
QW-R103-002,D
4 of 9
UNIT
V/V
mA
mA
µA
dB
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V