参数资料
| 型号： | LT3032MPDE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .15A 14-DFN |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正可调式和负可调式 |
| 输出电压： | ±1.22 V ~ ±20 V |
| 输入电压： | ±2.3 V ~ ±20 V |
| 电压 - 压降（标准）： | 0.27V @ 150mA，0.3V @ -150mA |
| 稳压器数量： | 2 |
| 电流 - 输出： | 150mA |
| 电流 - 限制（最小）： | 170mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-DFN（4x3） |
| 包装： | 带卷 (TR) |
LT3032 Series
TYPICAL PERFORMANCE CHARACTERISTICS
Negative Load Regulation
OUTP Noise Spectral Density
OUTN Noise Spectral Density
60
50
V INN = V OUTN(NOMINAL) – 1V
I L = –1mA TO –150mA
10
C OUTP = 10μF
I L = 150mA
C BYPP = 0.01μF
C BYPP = 1000pF
10
C BYPN = 1000pF C BYPN = 100pF
40
1
C BYPP = 100pF
1
C BYPN = 0
LT3032-12
30
LT3032-15
20
LT3032-5
0.1
0.1
C BYPN = 0.01μ F
10
0
–50
–25
0 25 50 75
LT3032
100
125
0.01
10
V OUTP = 5V
V OUTP = V ADJP
100
1k 10k
100k
0.01
C OUTN = 10μF
I L = –150mA
10 100
V OUTN = –5V
V OUTN = V ADJN
1k 10k 100k
TEMPERATURE (°C)
3032 G37
FREQUENCY (Hz)
FREQUENCY (Hz)
3032 G39
3032 G38
OUTP RMS Noise
vs Bypass Capacitor
OUTP RMS Noise
vs Load Current (10Hz to 100kHz)
OUTN RMS Noise
vs Bypass Capacitor
350
300
250
200
LT3032-15
C OUTP = 10μF
I L = 150mA
f = 10Hz TO 100kHz
350
300
250
200
LT3032-15
LT3032-12
LT3032-5
LT3032
LT3032-15
LT3032-12
C OUTP = 10μF
C BYPP = 0
250
200
150
LT3032-15
LT3032-12
C OUTN = 10μF
I L = –150mA
f = 10Hz TO 100kHz
C BYPP = 0.01μF
150 LT3032-12
150
LT3032-5
100
100
50
LT3032-5
LT3032
100
50
LT3032
50
LT3032-5
LT3032
0
10
100
1k
10k
0
0.01
0.1
1
10 100
1k
0
10
100
1k
10k
C BYPP (pF)
3032 G40
LOAD CURRENT (mA)
3032 G41
C BYPN (pF)
3032 G42
OUTN RMS Noise
vs Load Current (10Hz to 100kHz)
OUTP 10Hz to 100kHz Output Noise
C BYPP = 0
OUTP 10Hz to 100kHz Output Noise
C BYPP = 0.01μF
140
120
100
C OUTN = 10μF
C BYPN = 0
C BYPN = 0.01μF
LT3032-15
LT3032-12
LT3032-15
80
LT3032-5
LT3032
LT3032-12
V OUTP
100μV/DIV
V OUTP
100μV/DIV
60
40
LT3032
LT3032-5
20
0
–0.01
–0.1
–1 –10
–100
–1k
C OUTP = 10μF
I L = 150mA
V OUTP = 5V
1ms/DIV
3032 G44
C OUTP = 10μF
I L = 150mA
V OUTP = 5V
1ms/DIV
3032 G45
LOAD CURRENT (mA)
3032 G43
3032fd
12
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