參數(shù)資料
型號： LP2985A
廠商： Texas Instruments, Inc.
元件分類： 基準(zhǔn)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(hù)
文件頁數(shù)： 8/23頁
文件大?。?/td> 528K
代理商： LP2985A
SLVS522C JULY 2004 REVISED OCTOBER 2004
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature range,
V
IN
= V
OUT
(nominal)
+ 1 V, V
ON/OFF
= 2 V, C
IN
= 1 F, I
L
= 1 mA, C
OUT
= 4.7 F (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
LP2985A-XX
MIN
1
LP2985-XX
MIN
1.5
UNIT
TYP
MAX
TYP
MAX
1.5
IL = 1 mA
25
°
C
25
°
C
1
Output voltage
tolerance
1 mA
≤
IL
≤
50 mA
1.5
1.5
2.5
2.5
VOUT
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 105
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
25
°
C
40
°
C to 125
°
C
2.5
2.5
3.5
3.5
%VNOM
1 mA
≤
IL
≤
150 mA
2.5
2.5
3.0
3.0
3.5
3.5
4.0
4.0
Line regulation
VIN =
[VOUT(NOM) + 1 V] to 16 V
0.007
0.014
0.007
0.014
%/V
0.032
0.032
IL = 0
1
3
1
3
5
5
IL = 1 mA
7
10
7
10
15
15
VIN-VOUT
Dropout voltage
(see Note 5)
IL = 10 mA
40
60
40
60
mV
90
90
IL = 50 mA
120
150
120
150
225
225
IL = 150 mA
280
350
280
350
575
575
IL = 0
65
95
65
95
125
125
IL = 1 mA
75
110
75
110
170
170
IL = 10 mA
120
220
120
220
400
400
IGND
Ground pin current
IL = 50 mA
350
600
350
600
μ
A
1000
1000
IL = 150 mA
850
1500
850
1500
2500
2500
VON/OFF
<
0.3 V (OFF)
0.01
0.8
0.01
0.8
VON/OFF 0.15 V (OFF)
0.05
2
0.05
2
5
5
VON/OFF = HIGH
O/P ON
1.4
1.4
VON/OFF
ON/OFF input
voltage
(see Note 6)
1.6
1.6
V
VON/OFF = LOW
O/P OFF
0.55
0.55
0.15
0.15
VON/OFF = 0
0.01
0.01
ION/OFF
ON/OFF input
current
2
2
A
μ
VON/OFF = 5 V
5
5
15
15
NOTES:
5. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 100 mV below the value
measured with a 1-V differential.
6. The ON/OFF input must be properly driven for reliable operation (see Application Information).
相關(guān)PDF資料
PDF描述
LP2985AIBLX-1.8 Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD packages for Applications
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