FAN5026 Просмотр технического описания (PDF) - Fairchild Semiconductor

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производитель

FAN5026

Dual DDR/Dual-Output PWM Controller

Fairchild Semiconductor 

Block Diagrams

+5 VCC

ILIM1

FAN5026

PWM 1

DDR

ILIM2/

REF2

PWM 2

VIN (BATTERY)

= 3 to 16V

Q1

L OUT1

VOUT1

= 2.5V

Q2

COUT1

VIN (BATTERY)

Q3

L OUT2

VOUT2

= 1.8V

Q4

COUT2

Figure 1. Dual Output Regulator

+5 VCC

ILIM1

+5 DDR

PG2/REF

1.25V

FAN5026

PWM 1

PWM 2

VIN (BATTERY)

= 3 to 16V

Q1

L OUT1

VDDQ

= 2.5V

Q2

COUT1

R

Q3

R

VTT =

L OUT2 VDDQ/2

Q4

COUT2

ILIM2/REF2

Figure 2. Typical Application

2

FAN5026 Rev. 1.0.5

www.fairchildsemi.com

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