Micropower 800mA Low Noise 'Ceramic Stable' Adjustable Voltage Regulator for 1V to 5V App. - LP3878-ADJ

LP3878-ADJ (ACTIVE)

Micropower 800mA Low Noise 'Ceramic Stable' Adjustable Voltage Regulator for 1V to 5V App.

Recommended alternative parts

  • LP3879  -  Fixed Versions 1.0V And 1.2V
  • LP3881  -  Vin Down To 1.3V, Vout Down To 1.2V
  • LP38841  -  Vin Down To 1.05V, Vout Down To 0.56V
  • LP3891  -  Vin Down To 1.6V, Vout Down To 1.2V

Description

The LP3878-ADJ is an 800 mA adjustable output voltage regulator designed to provide high performance and low noise in applications requiring output voltages as low as 1.0V.

Using an optimized VIP (Vertically Integrated PNP) process, the LP3878-ADJ delivers superior performance:

Ground Pin Current: Typically 5.5 mA @ 800 mA load, and 180 µA @ 100 µA load.

Low Power Shutdown: The LP3878-ADJ draws less than 10 μA quiescent current when shutdown pin is pulled low.

Precision Output: Ensured output voltage accuracy is 1% at room temperature.

Low Noise: Broadband output noise is only 18 μV (typical) with 10 nF bypass capacitor.

Features

  • 1.0V to 5.5V Output
  • Designed for Use with Low ESR Ceramic Capacitors
  • Very Low Output Noise
  • 8 Lead SO PowerPAD and WSON Surface Mount Package
  • <10 μA Quiescent Current in Shutdown
  • Low Ground Pin Current at all Loads
  • Over-Temperature/Oover-Current Protection
  • -40°C to +125°C Operating Junction Temperature Range

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Parametrics Compare all products in Single Channel LDO

 
Iout (Max) (A)
Output Options
Vin (Min) (V)
Vin (Max) (V)
Fixed Output Options (V)
Vout (Min) (V)
Vout (Max) (V)
Iq (Typ) (mA)
Vdo (Typ) (mV)
Accuracy (%)
PSRR @ 100KHz (dB)
Output Capacitor Type
Additional Features
Rating
Operating Temperature Range (C)
Pin/Package
Approx. Price (US$)
LP3878-ADJ LP3879 LP3881 LP38841 LP3891
0.8     0.8     0.8     0.8     0.8    
Adjustable Output     Fixed Output     Fixed Output     Fixed Output     Fixed Output    
2.5     2.5     1.291     0.875     1.3    
16     6     5.5     5.5     5.5    
  1
1.2    
1.2
1.5
1.8    
0.8
1.2
1.5    
1.2
1.5
1.8    
1     1     1.2     0.8     1.2    
5.5     1.2     1.8     1.5     1.8    
5.5     0.2     4     32     4    
475     475     75     75     100    
3     3     2.5        
35            
Ceramic         Ceramic      
Enable
Overcurrent Protection
Thermal Shutdown    
Enable
Overcurrent Protection
Thermal Shutdown    
Enable
Overcurrent Protection
Thermal Shutdown    
Enable
Overcurrent Protection
Thermal Shutdown    
Enable
Overcurrent Protection
Thermal Shutdown    
Catalog     Catalog     Catalog     Catalog     Catalog    
    -40 to 125     -40 to 125     -40 to 125    
8SO PowerPAD
8WSON    
8SO PowerPAD
8WSON    
5DDPAK/TO-263     5DDPAK/TO-263
5TO-220    
5DDPAK/TO-263
8SO PowerPAD    
0.80 | 1ku     0.70 | 1ku     1.95 | 1ku     0.71 | 1ku     1.25 | 1ku    
WEBENCH® LP3878
    Min   Max   Range  
  Vin V    2.50 – 16.00V  
  Vout V    1.00 – 5.50V  
  Iout A    ≤ 0.80A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
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