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參數(shù)資料
| 型號(hào)： | LTC3025 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 500mA, Low Voltage, Very Low Dropout Linear Regulator |
| 中文描述： | 500mA的，低電壓，非常低壓差線性穩(wěn)壓器 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 235K |
| 代理商： | LTC3025 |
7
LT3021/LT3021-1.2/
LT3021-1.5/LT3021-1.8
3021fa
TYPICAL PERFOR AU
TEMPERATURE (
°
C)
–50
L
2.5
2.0
1.5
0.5
1.0
0
–0.5
–1.0
–1.5
–2.0
–2.5
3021 G17
25
0
–25
50
75
125
100
V
IN
= 1.15V
V
= 0.5V
*LOAD REGULATION NUMBER REFERS
TO CHANGE IN THE 200mV REFERENCE
VOLTAGE
Input Ripple Rejection
Input Ripple Rejection
Load Regulation
I
L
= 1mA to 500mA
Output Noise Spectral Density
RMS Output Noise vs Load
Current (10Hz to 100kHz)
FREQUENCY (Hz)
10
I
20
30
60
50
40
70
10
1k
10k
1M
3021 G14
0
100
100k
V
IN
= 1.5V + 50mV
RMS
RIPPLE
V
OUT
= 0.5V
I
L
C
OUT
= 4.7
μ
F
C
OUT
= 22
μ
F
TEMPERATURE (
°
C)
–50
I
100
90
80
60
70
50
40
30
20
10
0
3021 G15
25
0
–25
50
75
125
100
V
IN
= 1.5V + 0.5V
P-P
RIPPLE AT 120Hz
V
OUT
= 0.5V
I
L
FREQUENCY (Hz)
10
O
μ
V
√
H
10
1
0.1
0.01
1k
100k
1M
100
10k
3021 G18
V
OUT
= 1.2V
I
L
C
OUT
= 4.7
μ
F
LOAD CURRENT (mA)
O
μ
V
R
)
300
250
200
150
100
50
0
0.01
1
10
100
3021 G19
0.1
V
OUT
= 1.2V
C
OUT
= 4.7
μ
F
No-Load Recovery Threshold
OUTPUT OVERSHOOT (%)
0
O
18
16
12
14
10
8
6
4
2
0
3021 G20
15
10
5
20
Transient Response
V
50mV/DIV
I
500mA/DIV
50
μ
s/DIV
3021 G21
I
OUT
= 50mA TO 500mA
V
IN
= 1.5V
V
OUT
= 1.2V
C
OUT
= 22
μ
F
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT3021 | 500mA, Low Voltage, Very Low Dropout Linear Regulator |
| LT3021-1.2 | 500mA, Low Voltage, Very Low Dropout Linear Regulator |
| LT3021-1.5 | 500mA, Low Voltage, Very Low Dropout Linear Regulator |
| LT3021-1.8 | 500mA, Low Voltage, Very Low Dropout Linear Regulator |
| LT3021EDH | 500mA, Low Voltage, Very Low Dropout Linear Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3025-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Micropower VLDO Linear Regulators Fast Transient Recovery |
| LTC3025-1_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Micropower VLDO Linear Regulators Fast Transient Recovery |
| LTC3025-2 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Micropower VLDO Linear Regulators Fast Transient Recovery |
| LTC3025-3 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Micropower VLDO Linear Regulators Fast Transient Recovery |
| LTC3025-4 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Micropower VLDO Linear Regulators Fast Transient Recovery |
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