參數(shù)資料
型號(hào): LP2985AIM5X-3.8
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 基準(zhǔn)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: 3.8 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PDSO5
封裝: SOT-23, 5 PIN
文件頁(yè)數(shù): 17/23頁(yè)
文件大小: 528K
代理商: LP2985AIM5X-3.8
SLVS522C JULY 2004 REVISED OCTOBER 2004
17
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)
3.22
3.24
3.26
3.28
3.3
3.32
3.34
3.36
3.38
3.4
O
250
200
150
100
50
0
50
100
150
200
L
20
μ
s/div
Figure 18
LOAD TRANSIENT RESPONSE
VO = 3.3 V
Cbyp = 10 nF
IL = 100 mA
IL
VO
Figure 19
LOAD TRANSIENT RESPONSE
O
L
3.22
3.24
3.26
3.28
3.3
3.32
3.34
3.36
3.38
3.4
250
200
150
100
50
0
50
100
150
200
VO = 3.3 V
Cbyp = 10 nF
IL = 150 mA
IL
VO
20
μ
s/div
3.22
3.24
3.26
3.28
3.3
3.32
3.34
3.36
3.38
3.4
250
200
150
100
50
0
50
100
150
200
Figure 20
LOAD TRANSIENT RESPONSE
O
L
IL
VO
VO = 3.3 V
Cbyp = 0 nF
IL = 150 mA
20
μ
s/div
Figure 21
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
VI
VO
LINE TRANSIENT RESPONSE
O
I
20
μ
s/div
VO = 3.3 V
Cbyp = 0 nF
IO = 150 mA
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