参数资料
型号: HMC976LP3E
厂商: Hittite Microwave Corporation
文件页数: 3/12页
文件大小: 0K
描述: IC REG LDO 4.8V/ADJ .4A 16QFN
标准包装: 1
稳压器拓扑结构: 正,固定式或可调式
输出电压: 4.8V,1.8 V ~ 5.1 V
输入电压: 3.3 V ~ 5.5 V
稳压器数量: 1
电流 - 输出: 400mA(最小值)
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-VQFN 裸露焊盘
供应商设备封装: 16-QFN-EP(3x3)
包装: 标准包装
其它名称: 1127-1080-6
HMC976LP3E
v02.1112
400mA LOW NOISE, HIGH PSRR
LINEAR VOLTAGE REGULATOR
10
-5
Figure 1. Vout=5V Output Noise
Spectral Density [1]
10
-5
Figure 2. Vout=3.3V Output Noise
Spectral Density [2]
C3=1uF
10
-6
C2=10uF
10
-6
C3=1uF
10
10
10
-7
-8
-9
C3=4.7uF
C2 =4.7uF
C2=1uF
10
10
10
-7
-8
-9
C3=4.7uF
C2=10uF
C3=4.7uF
C2=4.7uF
10
-10
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
8
10
-10
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
8
FREQUENCY (Hz)
FREQUENCY (Hz)
-20
Figure 3. Vout 4.8V PSRR vs.
Vin-Vout [3]
-20
Figure 4. Vout=3.3V PSRR vs.
Vin-Vout [2]
-30
VIN-VOUT=0.4V
-30
VIN-VOUT=0.5V
VIN-VOUT=0.25V
-40
-40
-50
-60
VIN-VOUT=0.6V
-50
-60
VIN-VOUT=0.8V
VIN-VOUT=1.0V
-70
VIN-VOUT=0.8V
-70
-80
VIN-VOUT=1.7V
-80
10
2
10
3
10
4
10
5
10
6
10
7
10
8
-90
10
2
10
3
10
4
10
5
10
6
10
7
10
8
FREQUENCY (Hz)
Figure 5. Vout=5V and Vref vs.
Temperature [1,4]
FREQUENCY (Hz)
Figure 6. Vout=5V and Vref vs.
Temperature [1,4]
4.975
1.175
5.00
0.6
25C
4.970
VREF
1.170
4.90
85C
0.5
-40
4.80
0.4
4.965
1.165
4.960
VR
1.160
4.70
4.60
0.3
0.2
4.955
1.155
4.50
0.1
4.950
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
1.150
4.40
4
4.2
4.4
4.6
4.8
5
5.2
5.4
5.6
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
3
[1]
[2]
[3]
[4]
VDD=5.5V,400mA Load see “HMC976LP3E 5V User Application Schematic
VDD=5.5V,400mA Load see “HMC976LP3E 4.8V User Application Schematic .
Temperature is the ambient temperature of the standard HMC976LP3E evaluation board, still air.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel ? 978-250-3373 fax ? Order On-line at www.hittite.com
Application Support: apps@hittite.com
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