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參數(shù)資料
| 型號： | R5220D321B-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.8 A SWITCHING REGULATOR, 1440 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 0.85 MM HEIGHT, TSON-6 |
| 文件頁數(shù)： | 12/22頁 |
| 文件大?。?/td> | 627K |
| 代理商： | R5220D321B-TR |
R5220D
2
BLOCK DIAGRAM
LX
OUTPUT
CONTROL
Soft
Start
Vref
VOUT
Vref
Current Limit
VIN
MODE
1
CE
GND
OSC
Current Limit
*1 R5220DxxxA: DCDC mode: Mode pin= “H”, VR mode: Mode pin= “L”
R5220DxxxB: DCDC mode: Mode pin= “L”, VR mode: Mode pin= “H”
SELECTION GUIDE
In the R5220D Series, the output voltage, the version, and the taping type for the ICs can be selected at the
user's request.
The selection can be made with designating the part number as shown below;
R5220Dxxxx-xx ←Part Number
↑ ↑↑ ↑
a bc d
Code
Contents
a
Setting Output Voltage (VOUT) or alphanumeric custom code.
b
Setting Output Voltage
1: standard (a: output voltage; DC/DC output voltage
= LDO output voltage
2: custom code (a: custom code; DC/DC output voltage
≠ LDO output voltage
c
Designation of chip enable and Mode pin polarities
A: CE; "H" active, Mode pin; "H"
=DC/DC converter mode, "L"=LDO Mode
B: CE; “H” active, Mode pin; “L”
=DC/DC converter mode, “H”=LDO Mode
d
Designation of Taping Type; (Refer to Taping Specification)"TR" is prescribed as a standard.
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