G914X datasheet(3/11 Pages) GMT

3 / 11 page

Ver: 1.8

Jul 24, 2007

TEL: 886-3-5788833

http://www.gmt.com.tw

G914X

Global Mixed-mode Technology Inc.

Electrical Characteristics

(VIN=VOUT(STD)+1V, V SHDN =VIN, TA=TJ =25°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

SHUTDOWN

VIH

Regulator enabled

1.5

---

SHDN

Input Threshold

VIL

Regulator shutdown

---

0.4

SHDN

Input Bias Current

ISHDN

V SHDN = VIN

TA = +25°C

---

0.003

0.1

Shutdown Supply Current

IQ SHDN

VOUT = 0V

TA = +25°C

---

µA

THERMAL PROTECTION

Thermal Shutdown Temperature

TSHDN

---

150

---

°C

Thermal Shutdown Hysteresis

ΔT

SHDN

---

°C

SET INPUT

SET Reference Voltage

VSET

VIN = 2.5V to 5.5V,IOUT = 1mA

1.225

1.25

1.275

SET Input Leakage Current

ISET

VSET = 1.3V

---

Note 1:

Limits is 100% production tested at TA= +25°C. Low duty pulse techniques are used during test to maintain

junction temperature as close to ambient as possible.

Note 2:

VIN (min)=VOUT (STD)+VDROPOUT

Note 3:

Not tested. For design purposes, the current limit should be considered 400mA minimum to 600mA maximum.

Note 4:

The dropout voltage is defined as (VIN - VOUT) when VOUT is 100mV below the value of VOUT for VIN = VOUT +1V. The per-

formance of every G914X version, see “Typical Performance Characteristics”.

Note 5:

Regulation is measured at constant junction temperature using low duty cycle pulse testing. Parts are tested for load

regulation in the load range from 1mA to 300mA. Changes in output due to heating effects are covered by the thermal

regulation specification.

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