參數(shù)資料
型號: LP2985AIBPX-3.3
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 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: 3.3 V FIXED POSITIVE LDO REGULATOR, 0.575 V DROPOUT, PBGA5
封裝: MICRO, SMD-5
文件頁數(shù): 15/23頁
文件大?。?/td> 528K
代理商: LP2985AIBPX-3.3
SLVS522C JULY 2004 REVISED OCTOBER 2004
15
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)
0
10
20
30
40
50
60
70
80
90
100
10
100
1K
10K
100K
1M
Frequency Hz
R
Figure 10
RIPPLE REJECTION
vs
FREQUENCY
VI = 5 V
VO = 3.3 V
Co = 4.7
μ
F
Cbyp = 10 nF
50 mA
150 mA
1 mA
0
10
20
30
40
50
60
70
80
90
100
10
100
1K
Frequency Hz
10K
100K
1M
R
Figure 11
RIPPLE REJECTION
vs
FREQUENCY
VI = 5 V
VO = 3.3 V
Co = 4.7
μ
F
Cbyp = 10 nF
10 mA
100 mA
1 mA
0.001
0.01
0.1
1
10
10
100
1K
10K
100K
1M
Frequency Hz
Figure 12
OUTPUT IMPEDANCE
vs
FREQUENCY
Ci = 1
μ
F
Co = 10
μ
F
VO = 3.3 V
10 mA
100 mA
1 mA
O
OUTPUT IMPEDANCE
vs
FREQUENCY
Figure 13
0.001
0.01
0.1
1
10
10
100
1K
10K
100K
1M
Frequency Hz
Ci = 1
μ
F
Co = 4.7
μ
F
VO = 3.3 V
10 mA
100 mA
1 mA
O
相關(guān)PDF資料
PDF描述
LP2985AIM5-1.5 Quad Precision Single Supply uPower Operational Amplifier 14-SOIC 0 to 70
LP2985AIM5X-3.2 Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors
LP2985AIM5X-3.3 Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors
LP2985AIM5X-3.5 Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors
LP2985AIM5X-3.6 Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator Designed for Use with Very Low ESR Output Capacitors
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