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參數(shù)資料
| 型號： | R1170D331B-T2 |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | 800mA LDO REGULATOR |
| 中文描述： | 800mA的LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 261K |
| 代理商： | R1170D331B-T2 |
Rev. 1.10 -15-
R1170X301B
2.9
3
3.1
3.2
3.3
3.4
3.5
0
20
40
60
80
100
120
140
160
180
200
Time t(us)
O
O
(
0
20
40
60
80
100
120
O
O
(
C
IN
= Ceramic 10uF
C
OUT
=Ceramic 10uF
tr=tf=3us
V
IN
=4V
Output Voltage
Output Current
R1170X301B
2.9
3
3.1
3.2
3.3
3.4
3.5
0
20
40
60
80
100
120
140
160
180
200
Time t(us)
O
O
(
0
20
40
60
80
100
120
O
O
(
C
IN
= Ceramic 10uF
C
OUT
=Ceramic 4.7uF
tr=tf=3us
V
IN
=4V
Output Current
Output Voltage
12)Stable Area(Topt=25
°
C,V
IN
=Set Output Voltage+1V,C
IN
=Ceramic 10
μ
F)
R1170XXXXB
CE
VIN
Vout
GND
ESR
Ceramic
Capacitor
IIout
S.A.
Spectrum
Analyzer
Vin
Ceramic
Capacitor
As an output capacitor for this IC, Ceramic capacitor is recommendable. However, other low ESR type capacitor can
be used with this IC.
For your reference, noise level is tested with the circuit as shown above, and if the noise level is 40
μ
V or less than
40
μ
V, the ESR values are plotted as stable area. Upper limit is described in the next four graphs, or ESR vs. Output
Current. (Hatched area is the stable area.)
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。