參數(shù)資料
型號： LP2975IMM-5.0
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 模擬信號調(diào)理
英文描述： MOSFET LDO Driver/Controller
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO8
封裝： MINI, SOP-8
文件頁數(shù)： 3/19頁
文件大?。?/td> 715K
代理商： LP2975IMM-5.0
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Operating Junction Temperature
Range
Lead Temp. (Soldering, 5 seconds)
ESD Rating
Power Dissipation
(Note 2)
65C to +150C
40C to +125C
260C
2 kV
Internally Limited
Input Supply Voltage (Survival)
Input Supply Voltage (Operating)
Current Limit Pins (Survival)
Comp Pin (Survival)
Gate Pin (Survival)
ON/OFF Pin (Survival)
Feedback Pin (Survival)
0.3V to +26V
+1.8V to +24V
0.3V to +V
IN
0.3V to +2V
0.3V to +V
IN
0.3V to +20V
0.3V to +24V
Electrical Characteristics
Limits in standard typeface are for T
= 25C, and limits in
boldface type
apply over the full operating temperature range. Un-
less otherwise specified; V
ON/OFF
= 1.5V, V
IN
= 15V.
Symbol
Parameter
Conditions
Typ
LM2975AI-X.X
(Note 3)
Min
11.820
11.640
LM2975I-X.X
(Note 3)
Min
11.700
11.520
Units
Max
12.180
12.360
Max
12.300
12.480
V
REG
Regulation Voltage
(12V Versions)
12.5
<
V
IN
<
24V
(V
IN
- 0.5V)
>
V
GATE
>
(V
IN
- 5V)
5.5
<
V
IN
<
24V
(V
IN
- 0.5V)
>
V
GATE
>
(V
IN
- 4.5V)
3.8
<
V
IN
<
24V
(V
IN
- 0.5V)
>
V
GATE
>
(V
IN
- 3.3V)
V
REG
<
V
IN
<
24V
12.0
V
Regulation Voltage
(5V Versions)
5.0
4.925
4.850
5.075
5.150
4.875
4.800
5.125
5.200
Regulation Voltage
(3.3V Versions)
3.3
3.250
3.201
3.350
3.399
3.217
3.168
3.383
3.432
V
COMP
Comp Pin Voltage
1.240
1.215
1.209
1.265
1.271
240
320
1
69
72
1.203
1.196
1.277
1.284
240
320
1
69
72
V
I
Q
Quiescent Current
V
IN
= 5V
180
μA
V
ON/OFF
= 0V
V
IN
= 15V
V
FB
= 0.9 X V
REG
0.01
57
V
CL
Current Limit
Sense Voltage
45
39
1.10
1.20
45
39
1.10
1.20
mV
V
ON/OFF
ON/OFF Threshold
Output = ON
0.94
V
Output = OFF
0.87
0.70
0.40
50
75
0.70
0.40
50
75
I
ON/OFF
ON/OFF
Input Bias Current
V
ON/OFF
= 1.5V
34
μA
I
G
Gate Drive Current (Sourcing)
V
G
= 7.5V
V
FB
= 1.1 X V
REG
3.5
1.3
0.3
350
40
15
1.3
0.3
350
40
15
mA
Gate Drive Current (Sinking)
V
G
= 7.5V
V
FB
= 0.9 X V
REG
1100
μA
V
G(MIN)
Gate Clamp Voltage
V
IN
= 24V
V
FB
= 0.9 X V
REG
V
IN
= 24V
V
ON/OFF
= 0
V
IN
= 15V
0.5V
≤
V
GATE
≤
13
17
19
19
V
R(V
IN
-G)
Resistance from
Gate to V
IN
Open Loop
Voltage Gain
500
k
5000
V/V
Note 1:
Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the de-
vice outside of its rated operating conditions.
Note 2:
The LP2975 has internal thermal shutdown which activates at a die temperature of about 150C. It should be noted that the power dissipated within the
LP2975 is low enough that this protection circuit should never activate due to self-heating, even at elevated ambient temperatures.
www.national.com
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LP2975IMMX-3.3 功能描述:IC REG CTRLR SGL 3.3V 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性晶體管驅(qū)動器 系列:- 產(chǎn)品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數(shù):2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR)
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LP2975IMMX-5.0/NOPB 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
LP2978AY-3.8 WAF 制造商:Texas Instruments 功能描述:
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