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TPS62000SHKK

更新时间： 2024-01-21 15:06:43

品牌	Logo	应用领域
德州仪器 - TI		转换器功效 DC-DC转换器
页数	文件大小	规格书
22页	534K
描述
HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER

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数据手册

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TPS62000SHKK 数据手册

TPS62000-HT

SLVS917A–MARCH 2009–REVISED JUNE 2009.......................................................................................................................................................... www.ti.com

10 mH

EFFICIENCY

V = 2 V

= 0.8 V

to 5.5 V

to V

LOAD CURRENT

100

10 mF

†

10 mF

TPS6200x

PGND

SYNC

GND

SYNC = Low

SYNC = High

0.1 mF

†

With V_O≥1.8 V; C = 10 mF, V <1.8 V; C = 47 mF

V = 3.6 V,

= 2.5 V

0.1

100

1000

− Load Current − mA

Figure 1.

Figure 2. Typical Application Circuit for Fixed Output

Voltage Option

DESCRIPTION (CONTINUED)

The TPS62000 is a synchronous current-mode PWM converter with integrated N- and P-channel power

MOSFET switches. Synchronous rectification is used to increase efficiency and to reduce external component

count. To achieve the highest efficiency over a wide load current range, the converter enters a power-saving

pulse-frequency modulation (PFM) mode at light load currents. Operating frequency is typically 750 kHz, allowing

the use of small inductor and capacitor values. The device can be synchronized to an external clock signal in the

range of 500 kHz to 1 MHz. For low-noise operation, the converter can be operated in the PWM mode and the

internal antiringing switch reduces noise and EMI. In the shutdown mode, the current consumption is reduced to

less than 1 µA. The TPS62000-HT is available in the 10-pin (HKK). The dvice operates a free-air temperature

range of –55Â°C to 210Â°C.

HKK PACKAGE

(TOP VIEW)

VIN

PGND

GND

SYNC

AVAILABLE OPTIONS⁽¹⁾

T_A

VOLTAGE OPTIONS

PACKAGE⁽²⁾

ORDERING PART NUMBER

KGD

TPS62000SKGD1

TPS62000SHKK

–55°C to 210°C

Adjustable

HKK

(1) For the most current package and ordering information, see the Package Option Addendum at the end

of this document, or see the TI web site at www.ti.com.

(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

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