±1%, Ultra-Low Output Voltage, Dual and Triple

Linear n-FET Controllers

8

_______________________________________________________________________________________

Typical Application Circuits (continued)

MAX8564/MAX8564A: Dual Output

Figure 2. MAX8564/MAX8564A Typical Application Circuit

MAX8563 External Component List

COMPONENTS QTY

DESCRIPTION

C1, C3, C8

3

2.2µF, 10V X5R ceramic capacitors

(optional 100µF, 18m

Ω, 6.3V

aluminum electrolytic, Sanyo

GTPE100MI in parallel)

C2

1

0.1µF, 16V X7R ceramic capacitor

C4, C7, C9

3

100µF, 18m

Ω, 6.3V aluminum

electrolytic capacitors

Sanyo GTPE100MI

C5, C6, C10

3

1µF, 16V X7R ceramic capacitors

Q1/Q2 (dual)

1

Dual n-channel MOSFETs, 30V, 18m

Ω

Vishay Si4922DY

Q3

1

n-channel MOSFET, 30V, 50m

Ω

Fairchild Semiconductor FDD6630A

R1

1

665

Ω ±1% resistor

R2

1

620

Ω ±5% resistor

R3

1

332

Ω ±1% resistor

R4

1

390

Ω ±5% resistor

R5

1

182

Ω ±1% resistor

R6

1

165

Ω ±1% resistor

R7

1

910

Ω ±5% resistor

R8

1

1k

Ω ±1% resistor

R9

1

249

Ω ±1% resistor

MAX8564/MAX8564A External

Component List

COMPONENTS QTY

DESCRIPTION

C11

1

0.1µF, 16V X7R ceramic capacitor

C12, C14

2

100µF, 18m

Ω, 6.3V aluminum

electrolytic capacitors

Sanyo GTPE100MI

C15, C17

2

2.2µF, 10V X5R ceramic capacitors

(optional 100µF, 18m

Ω, 6.3V

aluminum electrolytic, Sanyo

GTPE100MI in parallel)

C18, C20

2

1µF, 16V X7R ceramic capacitors

Q4/Q5 (dual)

1

Dual n-channel MOSFETs, 30V, 18m

Ω

Vishay Si4922DY

R13

1

165

Ω ±1% resistor

R14

1

182

Ω ±1% resistor

R15

1

390

Ω ±5% resistor

R16

1

665

Ω ±1% resistor

R17

1

332

Ω ±1% resistor

R18

1

620

Ω ±5% resistor

OFF

ON

OFF

ON

DRV1

FB1

EN1

POK1

GND

DRV2

FB2

EN2

POK2

MAX8564

MAX8564A

1.8V

±5% IN

C15

C20

R18

R16

C14

OUT1

1.5V/1.5A

R17

Q4

POK1

R13

R14

R15

C18

C11

C17

C12

Q5

OUT2

1.05V/3A

POK2

1.2V

±5% IN