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| UC3842G_12 Datasheet, PDF (5/8 Pages) Unisonic Technologies – HIGH PERFORMANCE CURRENT MODE CONTROLLER | |||
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UC3842G
LINEAR INTEGRATED CIRCUIT
 ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST CONDITION
OUTPUT SECTION
Output Voltage With UVLO Active
VOL(UVLO)
VCC=6V,ISINK=0.1mA;
VCC=7.5V,ISINK=1mA
Output Voltage
VOL
ISINK=20mA
ISINK=200mA
VOH
ISOURCE=20mA
ISOURCE=200mA
Output Voltage Rise and Fall time
tR
CL=1.0nF (Note 1)
tF
CL=1.0nF (Note 1)
UNDER VOLTAGE LOCKOUT SECTION
Startup Threshold
VTH(STAR-UP)
Min Operating Voltage
VOPR(MIN) After Turn-ON
PWM SECTION
Max Duty Cycle
DMAX
Minimum Duty Cycle
DMIN
TOTAL DEVICE
Power Supply Zener Voltage
VZ
ICC=25mA
Power Operating Supply Current
ICC Note 2
Startup Current
ISTART-UP VCC=14V,UVLO Active
Note: 1. These parameters, although guaranteed, are not 100% tested in production.
2. Parameters measured at trip point of latch with VFB=0.
3. Gain defined as: A=ÎVCOMP/ÎVCS; 0â¤VCSâ¤0.8V
MIN TYP MAX UNIT
0.8 1.1 V
0.1 0.4 V
1.6 2.2 V
13 14.5
V
12 14.6
V
100 150
nS
100 150
13.5 15 16.5 V
8.5 10 11.5 V
92 94
%
0%
30 39
V
7 10 mA
15 40 μA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R103-036.C
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