Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Advanced Applications
AME1085
ADJ
VIN = 5V
* VO = 1.5 - 3.45V
VOUT
VIN
R1
1K
10µF
10µF
10µF
R2
2K
**
R2
* VO = VREF ( 1 +
) + IADJ x R2
R1
** Optional for improved ripple rejection
Figure 5 Adjustable output voltage
VIN
AME1085
VO
R1
VIN
VOUT
IO = 0 to 6A
* 20m
Ω
GND
10µF
10µF
AME1085
VOUT
R2
VIN
* 20m
Ω
GND
* 20mΩ is ballast resistance
The inter - connection of #18 wire could act as ballast resistance
Figure 6 Paralleling Regulators
7