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U211B Datasheet(PDF) 2 Page - ATMEL Corporation

Part # U211B
Description  Phase Control IC with Overload Limitation for Tacho Applications
PDF  30 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

U211B Datasheet(HTML) 2 Page - ATMEL Corporation

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2
4752B–INDCO–09/05
U211B
2.
Pin Configuration
Figure 2-1.
Pinning DIP18
1
2
3
4
5
6
7
8
10
9
18
17
16
14
15
13
12
11
V
S
Output
Retr
V
RP
C
P
F/V
I
sync
GND
V
Ref
OVL
I
sense
C
soft
CTR/OPO
OP+
PB/TM
V
sync
C
RV
OP-
U211B
Table 2-1.
Pin Description
Pin
Symbol
Function
1I
sync
Current synchronization
2
GND
Ground
3V
S
Supply voltage
4
Output
Trigger pulse output
5
Retr
Retrigger programming
6V
RP
Ramp current adjust
7C
P
Ramp voltage
8
F/V
Frequency-to-voltage converter
9C
RV
Charge pump
10
OP-
OP inverting input
11
OP+
OP non-inverting input
12
CTR/OPO
Control input/OP output
13
C
soft
Soft start
14
I
sense
Load-current sensing
15
OVL
Overload adjust
16
V
Ref
Reference voltage
17
V
sync
Voltage synchronization
18
PB/TM
Pulse blocking/tacho monitoring



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