Datasheet > ZL1505ALNFT1

ZL1505ALNFT1

更新时间： 2024-09-27 01:14:39

品牌	Logo	应用领域
瑞萨 - RENESAS		开关光电二极管
页数	文件大小	规格书
13页	595K
描述
Synchronous Step-Down MOSFET Drivers

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ZL1505ALNFT1 技术参数

生命周期：	Unknown	零件包装代码：	DFN
包装说明：	HVSON,	针数：	10
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	9 weeks
风险等级：	5.22	模拟集成电路 - 其他类型：	SWITCHING CONTROLLER
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	7.5 V
最小输入电压：	4.5 V	标称输入电压：	6.5 V
JESD-30 代码：	S-PDSO-N10	JESD-609代码：	e3
长度：	3 mm	湿度敏感等级：	2
功能数量：	1	端子数量：	10
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	HVSON
封装形状：	SQUARE	封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1 mm	表面贴装：	YES
切换器配置：	PUSH-PULL	最大切换频率：	1400 kHz
温度等级：	AUTOMOTIVE	端子面层：	Matte Tin (Sn) - annealed
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	30
宽度：	3 mm	Base Number Matches：	1

ZL1505ALNFT1 数据手册

DATASHEET

ZL1505

FN6845

Rev 3.00

February 25, 2011

Synchronous Step-Down MOSFET Drivers

The ZL1505 is an integrated high-speed, high-current

N-channel MOSFET driver for synchronous step-down DC/DC

conversion applications. When used with Zilker Labs Digital-

DC™ PWM controllers, the ZL1505 enables dynamically

adaptive dead-time control that optimizes efficiency under all

operating conditions. A dual input PWM configuration enables

this efficiency optimization while minimizing complexity within

the driver.

Features

• High-speed, high-current drivers for synchronous N-channel

MOSFETs

• Adaptive dead-time control optimizes efficiency when used

with Digital-DC controllers

• Integrated 30V bootstrap Schottky diode

• Capable of driving 40A per phase

Operating from a 4.5V to 7.5V input, the ZL1505 combines a

5A, 0.5W low-side driver and a 3A, 0.8W high-side driver to

support high step-down buck applications. A unique adjustable

gate drive current scheme allows the user to adjust the drive

current on both drivers to optimize performance for a wide

rage of input/output voltages, load currents, power MOSFETs

and switching frequencies up to 1.4MHz. An integrated 30V

bootstrap Schottky diode is used to charge the external

bootstrap capacitor. An internal watchdog circuit prevents

excessive shoot-through currents and protects the external

MOSFET switches.

• Supports switching frequency up to 1.4MHz

- >4A source, >5A sink low-side driver

- >3A source/sink high-side driver

- <10ns rise/fall times, low propagation delay

• Adjustable gate drive strength optimizes efficiency for

different V , V , I , F

and MOSFET combinations

IN OUT OUT SW

• Internal non-overlap watchdog prevents shoot-through

currents

Applications*(see page 12)

The ZL1505 is specified over a wide -40°C to +125°C junction

temperature range and is available in an exposed pad DFN-10

package.

• High efficiency, high-current DC/DC buck converters with

digital control and PMBus™

• Multi-phase digital DC/DC converters with phase

adding/dropping

• Power train modules

• Synchronous rectification for secondary side isolated power

converters

Related Literature*(see page 12)

• ZL2004 Adaptive Digital DC/DC Controller with Current

Sharing

HSEL

BST

VDD

PWMH

SHOOT-

THROUGH

PROTECTION

LEVEL

SHIFT

VDD

PWML

ZL1505

GND

LSEL

FIGURE 1. ZL1505 BLOCK DIAGRAM

FN6845 Rev 3.00

February 25, 2011

Page 1 of 13

12 3 4 5 6 7...13

中文翻译

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