参数资料
型号: LT3029IDE#PBF
厂商: Linear Technology
文件页数: 7/20页
文件大小: 0K
描述: IC REG LDO ADJ .5A 16DFN
产品培训模块: LT3029 - 500mA, Dual Output, 1.2 ~ 19.5V, Linear Regulator
标准包装: 91
稳压器拓扑结构: 正,可调式
输出电压: 1.215 V ~ 19.5 V
输入电压: 1.8 V ~ 20 V
电压 - 压降(标准): 0.3V @ 500mA
稳压器数量: 2
电流 - 输出: 500mA
电流 - 限制(最小): 520mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-WFDFN 裸露焊盘
供应商设备封装: 16-DFN(4x3)
包装: 管件
LT3029
TYPICAL PERFORMANCE CHARACTERISTICS
T J = 25°C, unless otherwise noted.
Reverse Current
Input Ripple Rejection
80 C IN = 0
C OUT = 10μF
300
270
240
210
180
150
120
V IN = 0V
V ADJ = V OUT = 1.215V
I ADJ
100
T J = 25°C
90 I L = 500mA
V = V OUT(NOMINAL) +1V + 50mV RMS RIPPLE
BYP
70
60
50
40
90
60
30
20
C OUT = 3.3μF
30
0
–75 –50 –25 0
I OUT
25 50 75 100 125 150 175
10
0
10
100
1k 10k 100k
1M
10M
TEMPERATURE (°C)
I ADJ FLOWS INTO ADJ PIN TO GND PIN
I OUT FLOWS INTO OUT PIN TO IN PIN
Input Ripple Rejection
3029 G17
FREQUENCY (Hz)
Input Ripple Rejection
3029 G18
100
90
100
90
V IN = V OUT(NOMINAL) + 1.5V + 0.5V P-P RIPPLE
f = 120Hz
80
70
60
50
40
30
20
10
0
C BYP = 0.01μF
C BYP = 1000pF
C BYP = 100pF
T J = 25°C
I L = 500mA
V IN = V OUT(NOMINAL) +1V + 50mV RMS RIPPLE
C OUT = 10μF
80
70
60
50
40
30
20
10
0
I L = 500mA
10
100
1k 10k 100k
1M
10M
–75 –50 –25 0
25 50 75 100 125 150 175
FREQUENCY (Hz)
Minimum Input Voltage
3029 G19
TEMPERATURE (°C)
Channel-to-Channel Isolation
3029 G20
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
V OUT = 1.215V
I L = 500mA
I L = 1mA
100
90
80
70
60
50
40
30
20
10
0
T J = 25°C
–75 –50 –25 0
25 50 75 100 125 150 175
10
100
1k 10k 100k
1M
10M
TEMPERATURE (°C)
3029 G21
FREQUENCY (Hz)
GIVEN CHANNEL IS TESTED WITH 50mV RMS
SIGNAL ON OPPOSING CHANNEL, BOTH
CHANNELS DELIVERING FULL CURRENT
3029 G22
3029fa
7
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