Datasheet > FAN5026_11

FAN5026_11

更新时间： 2022-05-13 21:18:54

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		双倍数据速率控制器
页数	文件大小	规格书
17页	758K
描述
Dual DDR / Dual-Output PWM Controller

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FAN5026_11 数据手册

Pin Configuration

Figure 3. TSSOP-28

Pin Definitions

Pin #

Name

Description

Analog Ground. This is the signal ground reference for the IC. All voltage levels are measured

with respect to this pin

AGND

LDRV1

LDRV2

PGND1

PGND2

SW1

Low-Side Drive. The lowꢀside (lower) MOSFET driver output. Connect to gate of lowꢀside

MOSFET.

Power Ground. The return for the lowꢀside MOSFET driver. Connect to source of lowꢀside

MOSFET.

Switching Node. Return for the highꢀside MOSFET driver and a current sense input. Connect

to source of highꢀside MOSFET and lowꢀside MOSFET drain.

SW2

HDRV1

HDRV2

BOOT1

BOOT2

ISNS1

ISNS2

High-Side Drive. Highꢀside (upper) MOSFET driver output. Connect to gate of highꢀside

MOSFET.

BOOT. Positive supply for the upper MOSFET driver. Connect as shown in Figure 4.

Current-Sense Input. Monitors the voltage drop across the lower MOSFET or external sense

resistor for current feedback.

EN1

EN2

Enable. Enables operation when pulled to logic HIGH. Toggling EN resets the regulator after a

latched fault condition. These are CMOS inputs whose state is indeterminate if left open.

GND

Ground

VSEN1

VSEN2

Output Voltage Sense. The feedback from the outputs; used for regulation as well as PG,

underꢀvoltage, and overꢀvoltage protection and monitoring.

Continued on the following page…

FAN5026 • Rev. 1.0.8

www.fairchildsemi.com

1 234 5 6 7...17

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