Datasheet > ZL9117M

ZL9117M

更新时间： 2024-11-29 07:44:39

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
17页	794K
描述
Digital DC/DC PMBus 17A Module

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ZL9117M 数据手册

Digital DC/DC PMBus 17A Module

ZL9117M

The ZL9117M is a 17A, variable output, step-down

Features

• Complete Digital Switch Mode Power Supply

PMBus-compliant digital power supply. Included in the module

is a high-performance digital PWM controller, power MOSFETs,

an inductor, and all the passive components required for a

highly integrated DC/DC power solution. This power module

has built-in auto-compensation algorithms, which eliminates

the need for manual compensation design work. The ZL9117M

operates over a wide input voltage range and supports an

output voltage range of 0.6V to 3.6V, which can be set by

external resistors or via PMBus. This high-efficiency power

module is capable of delivering 17A. Only bulk input and

output capacitors are needed to finish the design. The output

voltage can be precisely regulated to as low as 0.6V with ±1%

output voltage regulation over line, load, and temperature

variations.

• Fast Transient Response

• Auto Compensating PID Filter

• External Synchronization

• Output Voltage Tracking

• Current Sharing

• Programmable Soft-start Delay and Ramp

• Overcurrent/Undercurrent Protection

• PMBus Compliant

Applications

• Server, Telecom, and Datacom

• Industrial and Medical Equipment

• General Purpose Point of Load

The ZL9117M features auto-compensation, internal soft-start,

auto-recovery overcurrent protection, an enable option, and

pre-biased output start-up capabilities.

The ZL9117M is packaged in a thermally enhanced, compact

(15mmx15mm) and low profile (3.5mm) over-molded QFN

package module suitable for automated assembly by standard

surface mount equipment. The ZL9117M is Pb-free and RoHS

compliant.

Related Literature

• See AN2033, “Zilker Labs PMBus Command Set for DDC

Products”

• See AN2034, “Configuring Current Sharing on the ZL2004

and ZL2006”

Figure 1 represents a typical implementation of the ZL9117M.

For PMBus operation, it is recommended to tie the Enable pin

(EN) to SGND.

V_IN

V_DRV

10µF

16V

4.5V TO 13.2V

4.7µF

16V

4.7µF

16V

10µF

16V

4.5V TO 6.5V

2 x 22µF

16V

POWER GOOD OUTPUT

ENABLE

VIN

(EPAD)

V_OUT

VOUT

(EPAD)

EXT SYNC

SYNC

DDC

3 x 100µF

ZL9117M

DDC BUS

(EPAD)

6.3V

SCL

SDA

RTN

PGND

(EPAD)

I²C/SMBus

R_SA

R_SET

Notes:

1. The I²C/SMBus requires pull-up resistors. Please refer to the I²C/SMBus specifications for more details.

2. The DDC bus requires a pull-up resistor. The resistance will vary based on the capacitive loading of the bus (and on the number of

devices connected). The 10k default value, assuming a maximum of 100pF per device, provides the necessary 1µs pull-up rise time.

Please refer to the Digital-DC Bus section for more details.

3. Additional capacitance may be required to meet specific transient response targets.

4. The VR, V25, VDRV, and VDD capacitors should be placed no farther than 0.5 cm from the pin.

FIGURE 1. 17A APPLICATION CIRCUIT

October 21, 2011

FN7914.1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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