Datasheet > FAN5910UCX

FAN5910UCX

更新时间： 2023-09-03 20:40:22

品牌	Logo	应用领域
安森美 - ONSEMI		GSM
页数	文件大小	规格书
16页	533K
描述
Multi-Mode Buck Converter with LDO Assist for GSM / EDGE, 3G/3.5G and 4G PAs

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数据手册

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FAN5910UCX 数据手册

FAN5910

Pin Configuration

PGND

PVIN VOUT

VOUT PVIN

PGND

AGND

BPEN PGND

PGND BPEN

AGND

AVIN VCON MODE

D1 D2 D3

MODE VCON AVIN

D3 D2 D1

Figure 3. Bumps Face Down – Top−Through View

Figure 4. Bumps Face Up

PIN DEFINITIONS

Pin #

Name

AGND

VOUT

Description

Analog ground, reference ground for the IC. Follow PCB routing notes for connecting this pin.

A4, B4

Output voltage sense pin. Connect to V to establish feedback path for regulation point. Connect

OUT

together on PCB.

Feedback pin. Connect to positive (+) pad of C

on V

OUT OUT.

Enables switching when HIGH; Shutdown Mode when LOW. This pin should not be left floating.

Analog control pin. Shield signal routing against noise.

VCON

AVIN

BPEN

MODE

Analog supply voltage input. Connect to PVIN.

Force Bypass Mode when HIGH; Auto Bypass Mode when LOW. This pin should not be left floating.

When MODE is HIGH, the DC−DC permits PFM operation under low load currents and PWM operation

under heavy load currents. When MODE pin is set LOW, the DC−DC operates in forced PWM opera-

tion. This pin should not be left floating.

A3, B3

A2, B2

PVIN

Supply voltage input to the internal MOSFET switches. Connect to input power source.

Switching node of the internal MOSFET switches. Connect to output inductor.

A1, B1,C4

PGND

Power ground of the internal MOSFET switches. Follow routing notes for connections between PGND

and AGND.

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1 234 5 6 7...16

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