參數(shù)資料
型號: LP2985A-32DBVR
廠商: Texas Instruments, Inc.
元件分類: 基準電壓源/電流源
英文描述: Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述: 無電容,NMOS管,150mA的低壓差穩(wěn)壓器的反向電流保護
文件頁數(shù): 16/23頁
文件大?。?/td> 528K
代理商: LP2985A-32DBVR
SLVS522C JULY 2004 REVISED OCTOBER 2004
16
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 14
OUTPUT NOISE DENSITY
vs
FREQUENCY
0.01
0.1
1
10
0.1
1
10
100
Frequency kHz
N
Cbyp = 1 nF
Cbyp = 10 nF
Cbyp = 100 nF
ILOAD = 150 mA
H
OUTPUT NOISE DENSITY
vs
FREQUENCY
0.01
0.1
1
10
0.1
1
10
100
Frequency kHz
N
Figure 15
ILOAD = 1 mA
Cbyp = 1 nF
Cbyp = 10 nF
Cbyp = 100 nF
H
Figure 16
INPUT CURRENT
vs
INPUT VOLTAGE
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
0
1
2
3
4
5
6
Input Voltage V
I
RL = Open
RL = 3.3 k
VO = 3.3 V
Cbyp = 10 nF
0
200
400
600
800
1000
1200
1400
50
25
0
25
50
75
100
125
150
G
0 mA
Figure 17
GROUND-PIN CURRENT
vs
TEMPERATURE
Temperature
°
C
150 mA
50 mA
10 mA
1 mA
VO = 3.3 V
Cbyp = 10 nF
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