Datasheet > TCR4DG12

TCR4DG12

更新时间： 2023-12-06 20:12:24

品牌	Logo	应用领域
东芝 - TOSHIBA		/
页数	文件大小	规格书
11页	400K
描述
420 mA Fixed Output LDO Regulator, 1.2 V, WCSP4E

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TCR4DG12 数据手册

TCR4DG series

TOSHIBA CMOS Linear Integrated Circuit Silicon Monolithic

TCR4DG series

420 mA CMOS Low Drop-Out Regulator with inrush current protection circuit

The TCR4DG series are CMOS general-purpose single-output

voltage regulators with an on/off control input, featuring low dropout

voltage, low output noise voltage and low inrush current.

These voltage regulators are available in fixed output voltages

between 1.0 V and 4.5 V and capable of driving up to 420 mA.

They feature over-current protection, over-temperature protection,

Inrush current protection circuit and Auto-discharge function.

The TCR4DG series are offered in the ultra small plastic mold

package WCSP4E (0.645 mm x 0.645 mm; t 0.43 mm (max)). It has

a low dropout voltage of 193 mV (3.3 V output, I_OUT= 420 mA) with

low output noise voltage of 38 μV_rms(2.5 V output) and a load

WCSP4E

Weight: 0.34 mg ( typ.)

transient response of only ⊿V_OUT= ±115 mV ( I_OUT= 1 mA ⇔ 420 mA, C_OUT=1.0 μF).

As small ceramic input and output capacitors can be used with the TCR4DG series, these devices are ideal for portable

applications that require high-density board assembly such as cellular phones.

Features

•

Low Drop-Out voltage

= 193 mV (typ.) at 3.3 V-output, I_OUT= 420 mA

Low output noise voltage

V_NO= 38 μV_rms(typ.) at 2.5 V-output, I_OUT= 10 mA, 10 Hz ≤ f ≤ 100 kHz

Fast load transient response (⊿V_OUT= ±115 mV (typ.) at I_OUT= 1 ⇔ 420 mA, C_OUT=1.0 μF )

High ripple rejection ( R.R = 70 dB (typ.) at 2.5 V-output, I_OUT= 10 mA, f = 1 kHz )

Over-current protection

•

Over-temperature protection

Inrush current protection circuit

Auto-discharge function

Pull down connection between CONTROL and GND

Ceramic capacitors can be used ( C_IN= 1.0μF, C_OUT=1.0 μF )

Ultra small package WCSP4E (0.645 mm x 0.645 mm ; t 0.43 mm (max))

Start of commercial production

2017-04

2017-05-12

12 3 4 5 6 7...11

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