U2010BNBSP 데이터 시트보기 (PDF) - Atmel Corporation
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U2010BNBSP Datasheet PDF : 13 Pages
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U2010B
b) Auto start (Pin 9 * open), see figure 12
The circuit behaves as described under αmax (V9 = 0),
with the exception that Pin 6 is not connected to
GND. If the value of V6 decreases to 25% of the
threshold value (VT25), the circuit becomes active
again with soft start.
Absolute Maximum Ratings
Reference point Pin 10, unless otherwise specified
Parameter
Sink current
Pin 11
t v 10 ms
Sync. currents
t v 10 ms
Pin 15
Phase control
Control voltage
Pins 4 and 8
Input current
Pin 4
Charging current
Pin 14
Soft start
Input voltage
Pins 7 and 8
Pulse output
Input voltage
Pin 16
Reference voltage source
Output current
t v 10 ms
Load-current sensing
Input currents
Input voltages
Overload output
High-load output
t v 10 ms
Storage temperature range
Junction temperature range
Ambient temperature range
Pin 8
Pins 1 and 2
Pins 5 and 6
Pin 13
Pin 12
c) Imax (V9 = V8), see figure 14
When V6 has reached the maximum overload
threshold value (i.e., V6 = VT100), Pin 13 is switched
to Pin 8 (VRef) through the resistance R (= 2 kW)
without soft-start capacitor discharging at Pin 7.
With this mode of operation, direct load-current
control (Imax) is possible.
Symbol
–IS
–is
"IsyncV
"isyncV
–VI
" II
– Iϕ max
–VI
+VI
–VI
I0
" Ii
– Vi
IL
IL
Tstg
Tj
Tamb
Value
30
100
5
20
0 – V8
500
0.5
0 – V8
2
V11
10
30
1
0 – V8
1
30
100
*40 to )125
125
*10 to )100
Unit
mA
mA
mA
mA
V
mA
mA
V
V
V
mA
mA
mA
V
mA
mA
mA
C
C
C
Thermal Resistance
Parameter
Symbol
Value
Unit
Junction ambient
DIP16
RthJA
120
K/W
SO16 on p.c.
RthJA
180
K/W
SO16 on ceramic
RthJA
100
K/W
Rev. A4, 23-Nov-00
5 (13)
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