U2008B-MY 데이터 시트보기 (PDF) - Atmel Corporation
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U2008B-MY Datasheet PDF : 13 Pages
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3. Absolute Maximum Ratings
VS = 14 V, reference point Pin 4, unless otherwise specified
Parameters
Symbol
Current limitation Pin 5
t ≤ 10 µs
Synchronous currents Pin 7
t ≤ 10 µs
Phase Control Pin 3
-IS
-iS
±IsyncV
±isyncV
Control voltage
Input current
Charge current Pin 6
Load Current Monitoring/Soft Start, Pin 1
-VI
±II
-Iϕmax
Input current
II
Input voltage
VI
Pulse output
Input voltage Pin 8
+VI
-VI
Storage temperature range
Tstg
Junction temperature range
Tj
4. Thermal Resistance
Parameters
DIP8
Junction ambient
SO8 on p.c.
So8 on ceramic
Symbol
RthJA
RthJA
RthJA
5. Electrical Characteristics
Parameters
Test Conditions
Supply (Pin 5)
Supply-voltage limitation
Current requirement
-IS = 3.5 mA
-IS = 30 mA
Pins 1, 4 and 7 open
Voltage Monitoring (Pin 5)
Turn-on threshold
Phase Control
Input current
Voltage sync. Pin 7
Current sync. Pin 8
Voltage limitation
±IL = 2 mA Pin 7
Reference Ramp (see Figure 5-1 on page 7)
Charge current
Pin 7
Start voltage
Pin 2
6 U2008B
Value
Unit
30
mA
100
mA
5
mA
20
mA
VS to 0
V
500
mA
0.5
mA
1
mA
-VS to +2
V
2
V
VS
V
-40 to +125
°C
-10 to +125
°C
Value
Unit
110
K/W
220
K/W
140
K/W
Symbol
Min.
Typ.
Max.
Unit
-VS
14.5
-VS
14.6
-IS
16.5
V
16.8
V
3.0
mA
-VTON
11.3
12.3
V
±IsyncV
±IsyncI
0.15
2
mA
3
30
µA
±VsyncV
8.0
8.5
9.0
V
Iϕ
-Vmax
1
100
µA
1.85
1.95
2.05
V
4712C–AUTO–07/07
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