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參數(shù)資料
| 型號(hào)： | R1232D321A |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| 中文描述： | PWM降壓型DC / DC變換器的同步整流 |
| 文件頁(yè)數(shù)： | 4/24頁(yè) |
| 文件大?。?/td> | 819K |
| 代理商： | R1232D321A |
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R1232D
PIN CONFIGURATION
4
SON-8
8 7 6 5
1 2 3 4
5
6
7
8
4
3
2
1
Bottom View
Top View
PIN DESCRIPTIONS
Pin No
Symbol
Pin Description
1
PGND
Ground Pin
2
V
IN
Voltage Supply Pin
3
V
DD
Voltage Supply Pin
4
CE
Chip Enable Pin (active with "H")
5
V
OUT
/V
FB
Output/Feedback Pin
6
TEST
Test Pin (Forced to the "L" or GND level.)
7
AGND
Ground Pin
8
L
X
L
X
Switching Pin (CMOS Output)
Tab in the parts have GND level. (They are connected to the reverse side of this IC.)
Do not connect to other wires or land patterns.
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
V
IN
V
IN
Supply Voltage
6.5
V
V
DD
V
DD
Pin Voltage
6.5
V
V
LX
L
X
Pin Voltage
0.3 to V
IN
+
0.3
0.3 to V
IN
+
0.3
0.3 to V
IN
+
0.3
0.3 to V
IN
+
0.3
V
V
CE
CE Pin Input Voltage
V
V
TEST
TEST Pin Input Voltage
V
V
FB
V
FB
Pin Input Voltage
V
I
LX
L
X
Pin Output Current
Power Dissipation (SON-8)*
1
±
1.5
V
P
D
480
mW
Topt
Operating Temperature Range
40 to 85
55 to 125
°
C
°
C
Tstg
Storage Temperature Range
1) For the power dissipation, refer to the package information on the website.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1232D321B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| R1232D331A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| R1232D331B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
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