Datasheet > SGM66055A

SGM66055A

更新时间： 2023-09-03 20:32:17

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
14页	1202K
描述
2.2MHz, Fixed Output Synchronous Tiny Boost Converter with a 3A Switch

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SGM66055A 数据手册

SGM66055A

2.2MHz, Fixed Output Synchronous

Tiny Boost Converter with a 3A Switch

GENERAL DESCRIPTION

FEATURES

The SGM66055A is an internally compensated, 2.2MHz

switching frequency, peak current mode, synchronous

Boost switching converter. Even below the minimum

system battery voltage, the device maintains the output

voltage regulation for a minimum output load current of

0.7A. This device turns into power-save mode to

maintain high efficiency by lowering switching frequency.

With its anti-ringing circuitry damping the charge in

parasitic capacitor, it reduces EMI interference

significantly.

● Operating Input Voltage Range: 2.5V to 4.5V

● Fixed Output Voltages: 5.0V and 5.4V

● Output Voltage Clamping: 5.7V

● Up to 93% Efficieny

● Quiescent Current: 23µA (TYP)

● Improved Light Load Efficiency with Power-Save

Mode (PSM)

● Pass-through Mode by Pulling EN Low

● Low Reverse Leakage Current when V_OUT> V_IN

● Thermal Shutdown

● Available in a Green WLCSP-1.21×1.21-9B Package

● -40℃ to +85℃ Operating Temperature Range

In addition, the SGM66055A device can also support

the pass-through mode by pulling EN to low. In this

mode, the output voltage follows the input voltage with

a voltage drop by the resistance of the inductor and

high-side MOSFET.

APPLICATIONS

USB OTG

The SGM66055A-5.0 and SGM66055A-5.4 are preset

for outputting 5.0V and 5.4V respectively.

Class-D Audio Amplifier

Smart Phones and Tablets

Portable and Wearable Devices

The device is available in a Green WLCSP-1.21×1.21-

9B package and operates over an ambient temperature

range of -40℃ to +85℃.

TYPICAL APPLICATION

1μH

V_IN

2.5V to 4.5V

C_IN

V_OUT

5.0V/5.4V

4.7μF

VIN

VOUT

SGM66055A

C_OUT

10μF

OFF

AGND

PGND

Figure 1. Typical Application Circuit

SG Micro Corp

APRIL 2022 – REV. A. 3

www.sg-micro.com

12 3 4 5 6 7...14

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