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參數(shù)資料
| 型號： | LP2952I-3.3 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Adjustable Micropower Low-Dropout Voltage Regulators |
| 中文描述： | 可調(diào)微功率低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 5/22頁 |
| 文件大?。?/td> | 1050K |
| 代理商： | LP2952I-3.3 |
All Voltage Options
Electrical Characteristics
(Continued)
Limits in standard typeface are for T
J
= 25C,
bold typeface
applies over the full operating temperature range. Limits are guar-
anteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Unless other-
wise specified: V
IN
= V
O
(NOM) + 1V, I
L
= 1 mA, C
L
= 2.2 μF for 5V parts and 4.7μF for 3.3V parts. Feedback pin is tied to V
Tap pin, Output pin is tied to Output Sense pin.
(Continued)
Symbol
Parameter
Conditions
Typical LP2952AI, LP2953AI,
LP2952AI-3.3,
LP2953AI-3.3,
LP2953AM
(Notes 16, 17)
Min
20
LP2952I, LP2953I,
LP2952I-3.3,
LP2953I-3.3
Units
Max
40
60
Min
Max
40
60
I
B
(FB)
Feedback Pin Bias
Current
nA
I
O
(SINK) Output “OFF” Pulldown
Current
(Note 9)
30
20
30
20
mA
DROPOUT DETECTION COMPARATOR
I
OH
Output “HIGH” Leakage V
OH
= 30V
0.01
1
2
1
2
μA
V
OL
Output “LOW” Voltage
V
IN
= V
O
(NOM) 0.5V
I
O
(COMP) = 400 μA
(Note 14)
150
250
400
35
25
55
40
250
400
35
25
55
40
mV
V
THR
(MAX)
Upper Threshold
Voltage
60
80
95
110
160
80
95
110
160
mV
V
THR
(MIN)
Lower Threshold
Voltage
(Note 14)
85
mV
HYST
SHUTDOWN INPUT
(Note 15)
V
OS
Input Offset
Voltage
HYST
Hysteresis
I
B
Input Bias
Current
Hysteresis
(Note 14)
15
mV
(Referred to V
REF
)
±
3
7.5
10
7.5
10
7.5
10
7.5
10
mV
6
10
mV
nA
V
IN
(S/D) = 0V to 5V
30
50
30
75
30
50
30
75
30
50
30
50
LP2953AM
10
AUXILIARY COMPARATOR (LP2953 Only)
V
OS
Input Offset Voltage
(Referred to V
REF
)
±
3
7.5
10
7.5
12
7.5
10
7.5
12
7.5
10
7.5
10
mV
LP2953AM
±
3
HYST
I
B
Hysteresis
Input Bias Current
6
10
mV
nA
V
IN
(COMP) = 0V to 5V
30
50
30
75
30
50
30
75
1
2
1
2.2
250
400
250
420
30
50
30
50
LP2953AM
10
I
OH
Output “HIGH” Leakage V
OH
= 30V
0.01
1
2
μA
V
IN
(COMP) = 1.3V
LP2953AM
0.01
V
OL
Output “LOW” Voltage
V
IN
(COMP) = 1.1V
I
O
(COMP) = 400 μA
150
250
400
mV
LP2953AM
150
L
www.national.com
5
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參數(shù)描述 |
|---|---|
| LP2952IM | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2952IM | 制造商:Texas Instruments 功能描述:V REG LDO ADJ +1.23/29V SMD 2952 |
| LP2952IM/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO Adj Micropower LDO Voltage Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP2952IM-3.3 | 制造商:Texas Instruments 功能描述:Voltage Regulator, +3.3V, Bi-Polar, 16 Pin, Plastic, SOP |
| LP2952IM-3.3/NOPB | 功能描述:IC REG LDO 3.3V .25A 16-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標準包裝:1 系列:- 穩(wěn)壓器拓撲結(jié)構(gòu):正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:150mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應(yīng)商設(shè)備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
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