參數(shù)資料
型號: LP2985AIM5X-3.5
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準電壓源/電流源
英文描述: Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors
中文描述: 3.5 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PDSO5
封裝: SOT-23, 5 PIN
文件頁數(shù): 18/23頁
文件大?。?/td> 528K
代理商: LP2985AIM5X-3.5
SLVS522C JULY 2004 REVISED OCTOBER 2004
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL PERFORMANCE CHARACTERISTICS
C
IN
= 1 F, C
OUT
= 4.7
F, V
IN
= V
OUT(NOM)
+1 V, T
A
= 25 C, ON/OFF Pin Is Tied to V
IN
(unless otherwise specified)
Figure 22
LINE TRANSIENT RESPONSE
O
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
VO = 3.3 V
Cbyp = 10 nF
IO = 150 mA
I
VI
VO
20
μ
s/div
Figure 23
LINE TRANSIENT RESPONSE
O
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
VO = 3.3 V
Cbyp = 0 nF
IO = 1 mA
I
VI
VO
20
μ
s/div
3.27
3.29
3.31
3.33
3.35
3.37
3.39
3.41
2
2.5
3
3.5
4
4.5
5
5.5
Figure 24
LINE TRANSIENT RESPONSE
O
VO = 3.3 V
Cbyp = 10 nF
IO = 1 mA
I
VIN
VO
100
μ
s/div
0
2
4
6
8
10
4
3
2
1
0
1
2
3
4
Figure 25
TURN-ON TIME
O
V
VO
VON/OFF
100
μ
s/div
VO = 3.3 V
Cbyp = 0
IO = 150 mA
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