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参数资料
| 型号： | HMC976LP3E |
| 厂商： | Hittite Microwave Corporation |
| 文件页数： | 2/12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
Table 1. Electrical Specifications (Continued)
Parameter
Conditions
Min
Typ
Max
Units
Reference Voltage VREF
Output Current VR [1]
Output Noise Spectral Density
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
Integrated Output Noise 100 Hz to 100 kHz
Load Regulation, VR
Vdd = 5.5V; REF cannot source/sink
external current
T A = -40°C to +85°C
Vdd = 5.5V; VR = 5.0V
Measured on Application Schematic [3]
Maximum Load Current
Vdd = 5.5V; VR = 5.0V [3]
Vdd = 5.5V; VR=5.0V
1.17
4000
120
6
3
3
1.5
400
0.01
V
mA
nV/rtHz
μVrms
% / mA
PSRR
1 kHz
-70
10 kHz
100 kHz
1 MHz
10 MHz
50 MHz
Vdd = 5.5V; VR=5.0V
Maximum load current
-65
-45
-35
-30
-20
dB
Output Voltage Variation vs. Package
Base Temperature
Vdd = 5.5V; VR=5.0V
25°C to 85°C
-40°C to 25°C
Current Consumption (I GND )
Maximum load current
Ven = Vdd = 5.5V;
Maximum Load Current
0.005
0.005
1.1
0.01
0.01
1.5
% / °C
% / °C
mA
Vdd = 5.5V; EN = Low; Output is float-
Power Down Current
ing (high - impedance) in Power-Down
1
μA
mode
Start-Up Transient Time
0 to 90% of final voltage
Vdd = 5.5V [3]
200
ms
Enable Input EN High Level
Enable Input EN Low Level
Vdd>=VEN
Vdd>=VEN
2
0
Vdd
0.8
V
V
To guarantee stability, noise and PSRR
Output Load Capacitance [2]
performance [3]
4.7
μF
Thermal Protection Threshold Junction
Temperature [4]
Thermal Protection Hysteresis
Junction Temperature Rising
115
130
10
°C
°C
[1] The regulator does not include short-circuit protection circuitry. The outputs will withstand short-circuit conditions for a duration <10s. The
thermal protection is not intended to be used as a short circuit protection
[2] HMC976LP3E was designed to work with low ESR ceramic capacitors connected to pin 4 VRX.
[3] See HMC976LP3E 5.0V User Application Schematic herein
[4] See figures 14,15, and 16
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
2
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