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MAS9124

150 mA LDO Voltage Regulator IC

Micro Analog Systems Oy 

DA9124.009

11 January 2005

‹ Voltage Parameters

TA = -40°C to +85°C, typical values at TA = +27°C, VIN = VOUT(NOM) + 1.0 V (or min 3.8 V), IOUT = 1.0 mA, CIN = 1.0 µF, CL = 1.0 µF,

CBYPASS = 10 nF, VCTRL = VIN, unless otherwise specified

Parameter

Output Voltage

Tolerance

Dropout Voltage

Symbol

VOUT

VDROP

Conditions

VOUT(NOM) ≤ 3.3 V

IOUT = 0 mA

IOUT = 150 mA

VOUT(NOM) > 3.3 V

IOUT = 0 mA

IOUT = 150 mA

IOUT = 1 mA

IOUT = 50 mA

IOUT = 150 mA

MAS9124A4 (150 mA)

MAS9124A5 (150 mA)

Min

VOUT(NOM) − 0.05

VOUT(NOM) − 0.10

VOUT(NOM) − 0.10

VOUT(NOM) − 0.10

Typ

1.7

70

200

Max

VOUT(NOM) + 0.05

VOUT(NOM) + 0.05

VOUT(NOM) + 0.10

VOUT(NOM) + 0.10

320

800

1100

Unit

V

mV

‹ Current Parameters

TA = -40°C to +85°C, typical values at TA = +27°C, VIN = VOUT(NOM) + 1.0 V (or min 3.8 V), IOUT = 1.0 mA, CIN = 1.0 µF, CL = 1.0 µF,

CBYPASS = 10 nF, VCTRL = VIN, unless otherwise specified

Parameter

Continuous Output Current

Short Circuit Current

Peak Output Current

Ground Pin Current

Symbol

IOUT

IMAX

IPK

IGND

Ground Pin Current, Sleep

IGND

Mode

Conditions

RL = 0 Ω

VOUT > 95%* VOUT(NOM)

IOUT = 0 mA

IOUT = 10 mA

IOUT = 50 mA

IOUT = 150 mA

VCTRL = 0 V

Min Typ Max Unit

0

150

mA

200 450 675

mA

410

mA

µA

120 200

130

160

220 400

0.01 5

µA

‹ Power Dissipation

TA = -40°C to +85°C, typical values at TA = +27°C, VIN = VOUT(NOM) + 1.0 V (or min 3.8 V), IOUT = 1.0 mA, CIN = 1.0 µF, CL = 1.0 µF,

CBYPASS = 10 nF, VCTRL = VIN, unless otherwise specified

Parameter

Junction to Ambient Thermal

Resistance

Maximum Power Dissipation

Symbol

RJA

Pd

Conditions

thermal test board according

to JESD51-7 (4 layers),

SOT23-5 package

TSOT-5 package

any ambient temperature

Min Typ Max

191

207

PdMAX

=

TJ(MAX) −

RJA

TA

Unit

°C/W

W

Note 1

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

resistance specified above. See also application information p. 7.

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