MAS9123A2CA11 データシートの表示（PDF） - Micro Analog Systems Oy

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MAS9123A2CA11

80 mALDO Voltage Regulator IC

Micro Analog Systems Oy 

DA9123.005

31 March 2003

x Power Dissipation

TA = -40°C to +85°C, typical values at TA = +27°C, VIN = VOUT(NOM) + 1.0 V, IOUT = 1.0 mA, CIN = 1.0 µF, CL = 1.0 µF, CBYPASS = 10 nF,

VCTRL = 2.0 V, unless otherwise specified.

Parameter

Symbol

Conditions

Min Typ Max Unit

Thermal Resistance

(Junction-to-Air)

RJA

typical PC board mounting,

still air, SOT23-5 package

255.9

°C/W

mounted on MAS9123 CSP

evaluation board,

WL-CSP package

TBD

Maximum Power Dissipation

Pd

any ambient temperature,

SOT23-5 package

PdMAX

=

TJ(MAX) − TA

R JA

W

Note 1

Note 1: TJ(MAX) denotes maximum operating junction temperature (+125°C), TA ambient temperature, and RJA junction-to-air thermal

resistance (+255.9°C/W).

x Line and Load Regulation

TA = -40°C to +85°C, typical values at TA = +27°C, VIN = VOUT(NOM) + 1.0 V, IOUT = 1.0 mA, CIN = 1.0 µF, CL = 1.0 µF, CBYPASS = 10 nF,

VCTRL = 2.0 V, unless otherwise specified.

Parameter

Symbol

Conditions

Min Typ Max Unit

Line Regulation

Load Regulation

VOUT(NOM) + 1 V < VIN < 5.3 V,

IOUT = 50 mA

IOUT = 1.0 to 50 mA

0.75 2

mV

13.5 25

mV

x Noise and Ripple Rejection

TA = -40°C to +85°C, typical values at TA = +27°C, VIN = VOUT(NOM) + 1.0 V, IOUT = 1.0 mA, CIN = 1.0 µF, CL = 1.0 µF, CBYPASS = 10 nF,

VCTRL = 2.0 V, unless otherwise specified.

Parameter

Symbol

Conditions

Min Typ Max Unit

Output Noise Voltage

VRMS

10 Hz < f < 100 kHz

9.5

µVrms

Noise Density

PSRR

VN

IOUT = 50 mA,

f = 10 kHz

f = 1 kHz

f = 10 kHz

f = 100 kHz

24

nV/ Hz

70

dB

68

58

x Dynamic Parameters

TA = -40°C to +85°C, typical values at TA = +27°C, VIN = VOUT(NOM) + 1.0 V, IOUT = 1.0 mA, CIN = 1.0 µF, CL = 1.0 µF, CBYPASS = 10 nF,

VCTRL = 2.0 V, unless otherwise specified.

Parameter

Symbol

Conditions

Min Typ Max Unit

Start-up Delay (from start-up

to 80% of VOUT(NOM))

Overshoot

Start-up Time

(settling time of voltage

transient from start-up to

within ±1% of VOUT(NOM))

VCTRL = 0 to 2.4 V, IOUT = 50 mA,

CL ≤ 1.0 µF

VCTRL = 0 to 2.4 V

VCTRL = 0 to 2.4 V, IOUT = 50 mA

CL ≤ 1.0 µF

7.5

µs

1.0 8.0

%

20

µs

CTRL

50%

overshoot

80%

VOUT

start-up delay

Figure1. Definitions of

start-up delay, overshoot

and start-up time.

start-up time

5 (12)

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