ISL6444CA

型號：ISL6444CA
品牌：INTERSIL

批號：13+RoHs
封裝：SSOP
原價：16
數(shù)量：78005
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備注：100% 全新原裝（Brand new)

詳細描述

ISL6444CA

Dual PWM Controller with DDR Memory Option for Gateway Applications

Features

• Provides regulated output voltage in the range 0.9V–5.5V

- High efficiency over wide load range

- Synchronous buck converter with hysteretic operation at

light load

• Complete DDR memory power solution

- VTT tracks VDDQ/2

- VDDQ/2 buffered reference output

• No current-sense resistor required

- Uses MOSFET’s RDS(ON)

- Optional current-sense resistor for precision overcurrent

• Undervoltage lock-out on VCC pin

• Dual mode operation

- Operates directly from battery 5.0-24V input

- Operates from 3.3V or 5V system rail

• Excellent dynamic response

- Combined voltage feed-forward and current mode

control

• Power-good signal for each channel

• 300kHz switching frequency

- Out-of-phase operation for reduced input ripple

- In-phase operation in DDR mode for reduced channel

interference

- Out-of-phase operation with 90o

phase shift for twostage conversion in DDR mode

Applications

• Residential and Enterprise Gateways

• DSL Modems

• Routers and Switchers

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