参数资料
型号: LT3032MPDE#TRPBF
厂商: Linear Technology
文件页数: 11/24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
Reverse OUTP Pin Current
INP-to-OUTP Ripple Rejection
INP-to-OUTP Ripple Rejection
45
40
35
30
25
V INP = 0V
V OUTP = V ADJP =1.22V (LT3032)
V OUTP = 5V (LT3032-5)
V OUTP = 12V (LT3032-12)
V OUTP = 15V (LT3032-15)
80
70
60
50
80
70
60
50
C BYPP = 0.01μF
C BYPP = 1000p F
C BYPP = 100pF
20
15
(LT3032-12/LT3032-15)
40
30
C OUTP = 10μF
40
30
10
5
(LT3032-5)
(LT3032)
20
10
I L = 150mA
V INP = V OUTP(NOMINAL) +
1.5V + 50mV RMS RIPPLE
C BYPP = 0
C OUTP = 2.2μF
20
10
I L = 150mA
V INP = V OUTP(NOMINAL) +
1.5V + 50mV RMS RIPPLE
C OUTP = 10μF
0
–50
–25
0
25
50
75
100
125
0
10
100
1k 10k
100k
1M
0
10
100
1k 10k
100k
1M
TEMPERATURE (°C)
3032 G28
INN-to-OUTN Ripple Rejection
FREQUENCY (Hz)
INP-to-OUTP Ripple Rejection
3032 G29
FREQUENCY (Hz)
3032 G30
INN-to-OUTN Ripple Rejection
80
70
60
50
40
30
20
I L = –150mA
V INN = V OUTN(NOMINAL) – 1.5V +
50mV RMS RIPPLE
C BYPN = 0
C OUTN = 10μ F
68
66
64
62
60
58
56
V INP = V OUTP(NOMINAL) +
1.5V + 0.5V P-P RIPPLE
60
58
56
54
52
50
48
V INN = V OUTN(NOMINAL) – 1.5V +
0.5V P-P RIPPLE AT f = 120Hz
I L = –150mA
10
C OUTN = 1μ F
54
AT f = 120Hz
I L = 150mA
46
0
10
100
1k 10k
100k
1M
52
–50
–25
0
25
50
75
100
125
44
–50
–25
0 25 50 75
100
125
FREQUENCY (Hz)
3032 G31
TEMPERATURE (°C)
TEMPERATURE (°C)
3032 G33
3032 G32
2.50
LT3032 Minimum INP Pin Voltage
–3.0
LT3032 Minimum INN Pin Voltage
0
Positive Load Regulation
2.25
2.00
1.75
1.50
V OUTP = 1.22V
I L = 150mA
–2.5
–2.0
I L = –150mA
–10
–20
–30
LT3032
LT3032-5
LT3032-12
1.25
1.00
0.75
I L = 1mA
–1.5
–1.0
I L = –1mA
–40
–50
LT3032-15
V INP = V OUTP(NOMINAL) +1V
0.50
0.25
0
–50
–25
0
25
50
75
100
125
–0.5
0
–50
NOTE: THE SHDNN PIN THRESHOLD
MUST BE MET TO ENSURE
DEVICE OPERATION
–25 0 25 50 75 100
125
–60
ΔI L = 1mA TO 150mA
–70
–50 –25 0 25 50 75
100
125
TEMPERATURE (°C)
TEMPERATURE (°C)
3032 G35
TEMPERATURE (°C)
3032 G36
3032 G34
3032fd
11
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