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TS3842 датащи(PDF) 5 Page - List of Unclassifed Manufacturers

номер детали TS3842
подробное описание детали  High Performance Current Mode Controller
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производитель  ETC [List of Unclassifed Manufacturers]
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TS3842 датащи(HTML) 5 Page - List of Unclassifed Manufacturers

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Electrical Characteristics
Note: 1. Maximum package power dissipation limits must be observed.
2. Adjust V
CC above the Start-Up threshold before setting to 15V.
3. Low duty cycle pulse technique are used during test to maintain junction temperature as close to ambient as possible.
T
low = -20+ ,Thigh = +85+
4. This parameter is measured at the latch trip point with V
FB = 0V.
V Output Compensation
5. Comparator gain is defined as : Av =
V Current Sense Input
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNIT
OUTPUT SECTION
Output Voltage
Low State (Isink=20mA)
VOL
-0.1
0.4
(Isink=200mA)
-
1.6
2.2
High State (Isource=20mA)
VOH
13
13.5
-
(Isource=200mA)
12
13.4
-
Output Voltage with UVLO Activated
VCC=6.0V,Isink=1.0mA
Output Voltage Rise Time (CL=1.0nF,TJ=25
+)
tr
-
50
150
ns
Output Voltage Fall Time (CL=1.0nF,TJ=25
+)
tf
-
50
150
ns
UNDERVOLTAGE LOCKOUT SECTION
Start-Up Threshold
TS3842B
14.5
16
17.5
TS3843B
7.8
8.4
9.0
Minimum Operating Voltage After Turn-On
TS3842B
8.5
10
11.5
TS3843B
7.0
7.6
8.2
PWM SECTION
Duty Cycle
Maximum
DCmax
94
96
-
Minimum
DCmin
-
-
0
TOTAL DEVICE
Power Supply Current
Start-Up, VCC= 14V
-
0.25
0.5
Operating (Note 2)
-
12
17
Power Supply Zener Voltage (ICC=25mA)
Vz
30
36
-
V
V
VOL(UVLO)
%
ICC
mA
Vth
V
VCC(min)
V
-0.1
1.1
V
VCC=15V (Note 2), RT=10K, CT=3.3nF, TA=Tlow to Thigh (Note 3), unless otherwise noted.


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