FAN5236MTC データシートの表示（PDF） - Fairchild Semiconductor

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FAN5236MTC

Dual Mobile-Friendly DDR / Dual-output PWM Controller

Fairchild Semiconductor 

PRODUCT SPECIFICATION

Generic Block Diagrams

+5 VCC

FAN5236

ILIM1

PWM 1

DDR

ILIM2/

REF2

PWM 2

VIN (BATTERY)

= 5 to 24V

Q1

L OUT1

VOUT1

= 2.5V

COUT1

Q2

Q3

L OUT2

VOUT2

= 1.8V

COUT2

Q4

+5 VCC

ILIM1

+5 DDR

PG2/REF

1.25V

Figure 1. Dual output regulator

FAN5236

PWM 1

PWM 2

VIN (BATTERY)

= 5 to 24V

Q1

L OUT1

Q2

VDDQ

= 2.5V

COUT1

R

Q3

R

VTT =

L OUT2 VDDQ/2

Q4

COUT2

ILIM2/REF2

Figure 2. Complete DDR Memory Power Supply

FAN5236

2

REV. 1.1.9 7/12/04

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