AS1359-BTTT-33 datasheet(5/17 Pages) AMSCO

Part #	AS1359-BTTT-33

Description	150mA/300mA, Ultra-Low-Noise, High-PSRR Low Dropout Regulators

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AS1358 / AS1359

Datasheet - Electrical Character i s t ics

6 Electrical Characteristics

All limits are guaranteed. The parameters with Min and Max values are guaranteed by production tests or SQC (Statistical Quality Control)

methods.

VIN = VOUT +0.5V, CIN = 1µF, COUT = 1µF, CBYPASS = 10nF, TAMB = -40 to +85ºC (unless otherwise specified).

Typical values are at TAMB = +25ºC.

Table 4. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VIN

Input Voltage Range

2

5.5

V

Output Voltage Accuracy

IOUT = 1mA, TAMB = +25ºC

-0.5

+0.5

%

IOUT = 100µA to 150mA,

TAMB = +25ºC (AS1358)

-0.75

+0.75

IOUT = 100µA to 300mA,

TAMB = +25ºC (AS1359)

-1.0

+1.0

IOUT = 100µA to 150mA, (AS1358)

-1.5

+1.5

IOUT = 100µA to 300mA, (AS1359)

-2.0

+2.0

IOUT

Maximum Output Current

AS1358

150

mA

AS1359

300

ILIMIT

Current Limit

AS1358, OUT = 90% of nom., TAMB = +25ºC

270

mA

AS1359, OUT = 90% of nom., TAMB = +25ºC

510

Dropout Voltage

1

1. Dropout is defined as VIN - VOUT when VOUT is 100mV below the value of VOUT for VIN = VOUT + 0.5V

VOUT

 3V, IOUT = 150mA

70

95

mV

VOUT

 3V, IOUT = 300mA, (AS1359 only)

140

200

2.5V

VOUT  3V, IOUT = 150mA

90

120

2.5V

VOUT  3V, IOUT = 300mA,

(AS1359 only)

170

230

2.0V

VOUT  2.5V, IOUT = 150mA

140

190

2.0V

VOUT  2.5V, IOUT = 300mA,

(AS1359 only)

270

350

IQ

Quiescent Current

IOUT = 0.05mA

40

90

µA

VIN = VOUTNOM - 0.1V, IOUT = 0mA

150

250

VLNR

Line Regulation

VIN = (VOUT +0.5V) to 5.5V, IOUT = 0.1mA

0.02

%/V

VLDR

Load Regulation

IOUT = 1 to 150mA / 300mA

0.0005

%/mA

ISHDNN

Shutdown Supply Current

SHDNN = 0V

9

500

nA

PSRR

Ripple Rejection

f = 1kHz, IOUT = 10mA

92

dB

f = 10kHz, IOUT = 10mA

80

f = 100kHz, IOUT = 10mA

62

Output Noise Voltage (RMS)

f = 100Hz to 100kHz,

ILOAD = 0 to 150mA / 300mA

9µV

Shutdown

Shutdown Exit Delay

2

2. Time needed for VOUT to reach 90% of final value

RLOAD = 50



300

µs

SHDNN Logic Low Level

VIN = 2V to 5.5V

0.4

V

SHDNN Logic High Level

VIN = 2V to 5.5V

1.5

V

Thermal Protection

TSHDNM

Thermal Shutdown Temperature

160

ºC

TSHDNM

Thermal Shutdown Hysteresis

15

ºC

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