uc3842g-s08-t Unisonic Technologies, uc3842g-s08-t Datasheet - Page 5

• Manufacturer Part Number: uc3842g-s08-t
• Description: High Performance Current Mode Controller
• Manufacturer: Unisonic Technologies

UC3842G
Note: 1.These parameters, although guaranteed, are not 100% tested in production.
OUTPUT SECTION
Output Voltage With UVLO Active
Output Voltage
Output Voltage Rise and Fall time
UNDER VOLTAGE LOCKOUT SECTION
Startup Threshold
Min Operating Voltage
PWM SECTION
Max Duty Cycle
Minimum Duty Cycle
TOTAL DEVICE
Power Supply Zener Voltage
Power Operating Supply Current
Startup Current
2.Parameters measured at trip point of latch with V
3.Gain defined as: A=ΔV
ELECTRICAL CHARACTERISTICS (Cont.)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
PARAMETER
COMP
/ΔV
CS
; 0≤V
V
SYMBOL
V
V
TH(STAR-UP)
I
START-UP
OL(UVLO)
OPR(MIN)
D
D
V
V
I
CS
V
t
MAX
t
MIN
CC
OH
OL
R
F
Z
≤0.8V
V
I
I
I
I
C
C
After Turn-ON
I
Note2
V
FB
SINK
SINK
SOURCE
SOURCE
CC
CC
CC
L
L
=0.
=1.0nF(Note1)
=1.0nF(Note1)
=25mA
=6V,I
=14V,UVLO Active
=20mA
=200mA
TEST CONDITION
=20mA
=200mA
SINK
=1mA
LINEAR INTEGRATED CIRCUIT
MIN
13.5
8.5
13
12
92
30
TYP
14.5
14.6
100
100
150
0.8
0.1
1.6
15
10
94
39
7
MAX UNIT
16.5
11.5
150
150
300
1.1
0.4
2.2
QW-R103-036,A
10
0
5 of 8
mA
nS
µA
%
%
V
V
V
V
V
V
V
V