R1221N RICOH electronics devices division, R1221N Datasheet - Page 12
R1221N
Manufacturer Part Number
R1221N
Description
Step-down DC/DC Converter with Voltage Detector
Manufacturer
RICOH electronics devices division
Datasheet
1.R1221N.pdf
(21 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R1221N33AD
Manufacturer:
AD
Quantity:
121
Company:
Part Number:
R1221N33AH-TR
Manufacturer:
RICOH
Quantity:
5 556
Rev. 1.11
100
100
100
80
60
40
20
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
0
0.1
0.1
12345
0.1
R1221N50XB(VIN=6.0V)
R1221N33AC(VIN=4.5V)
R1221N50XA(VIN=6.0V)
Output Current I
Output Current I
Output Current
1
1
1
10
10
10
I
OUT
OUT
OUT
(mA)
(mA)
(mA)
100
100
100
CD104-27uH
Si3443DV
CD104-27uH
Si3443DV
CD104-27uH
Si3443DV
1000
1000
1000
- 12 -
100
90
80
70
60
50
40
30
20
10
100
0
100
80
60
40
20
80
60
40
20
0.1
0
0
0.1
0.1
R1221N33AC(VIN=12V)
R1221N50XB(VIN=12V)
R1221N50XA(VIN=12V)
Output Current
1
Output Current
Output Current I
1
1
10
10
10
I
OUT
I
OUT
OUT
(mA)
100
(mA)
(mA)
CD104-27uH
Si3443DV
100
100
CD104-27uH
Si3443DV
CD104-27uH
Si3443DV
1000
1000
1000