U211B ATMEL Corporation, U211B Datasheet - Page 3

• Manufacturer Part Number: U211B
• Description: as U209B + Foldback
• Manufacturer: ATMEL Corporation

Pin Description
Rev. A4, 03-Aug-01
Output
GND
Output
I
V
C
sync
F/V
GND
V
I
C
Retr
RV
C
V
RP
sync
F/V
V
S
P
C
RV
RP
S
P
1
3
5
8
2
4
6
7
1
3
5
8
2
4
6
7
9
Figure 3. Pinning DIP18
Figure 4. Pinning SO16
U211B
U211B
17
18
15
14
13
12
11
10
16
16
15
14
13
12
11
10
9
PB/TM
V
V
OVL
I
C
OP+
OP–
CTR/OPO
V
V
OVL
I
CTR/OPO
sense
C
OP+
OP–
sense
sync
Ref
soft
sync
Ref
soft
Pin
Pin
10
11
12
13
14
15
16
17
18
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
CTR/OPO Control input / OP output
CTR/OPO Control input / OP output
Symbol
Symbol
PB/TM
Output
Output
V
V
GND
GND
I
OVL
I
OVL
C
C
I
OP–
OP+
I
OP–
OP+
Retr
V
C
V
C
F/V
V
F/V
V
sense
sense
sync
V
C
sync
V
C
sync
sync
soft
soft
RP
RV
RP
RV
ref
ref
S
P
S
P
Current synchronization
Ground
Supply voltage
Trigger pulse output
Retrigger programming
Ramp current adjust
Ramp voltage
Frequency-voltage converter
Charge pump
OP inverting input
OP non-inverting input
Soft start
Load-current sensing
Overload adjust
Reference voltage
Voltage synchronization
Pulse blocking /
tacho monitoring
Current synchronization
Ground
Supply voltage
Trigger pulse output
Ramp current adjust
Ramp voltage
Frequency-voltage converter
Charge pump
OP inverting input
OP non-inverting input
Soft start
Load-current sensing
Overload adjust
Reference voltage
Voltage synchronization
Function
Function
U211B
3 (21)