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| U211B Datasheet, PDF (3/30 Pages) ATMEL Corporation – Phase Control IC with Overload Limitation for Tacho Applications | |||
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Figure 2-2. Pinning SO16
Isync 1
GND 2
VS 3
Output 4
VRP 5
CP 6
F/V 7
CRV 8
U211B
16 Vsync
15 VRef
14 OVL
13 Isense
12 Csoft
11 CTR/OPO
10 OP+
9 OP-
Table 2-2.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Description
Symbol Function
Isync
GND
Current synchronization
Ground
VS
Output
Supply voltage
Trigger pulse output
VRP
Ramp current adjust
CP
Ramp voltage
F/V
Frequency-to-voltage converter
CRV
Charge pump
OP-
OP inverting input
OP+
OP non-inverting input
CTR/OPO Control input/OP output
Csoft
Isense
OVL
Soft start
Load-current sensing
Overload adjust
VRef
Vsync
Reference voltage
Voltage synchronization
4752BâINDCOâ09/05
U211B
3
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