MAX603CPA datasheet(3/12 Pages) MAXIM

Part #	MAX603CPA

Description	5V/3.3V or Adjustable, Low-Dropout, Low IQ, 500mA Linear Regulators

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Manufacturer	MAXIM [Maxim Integrated Products]

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Note 1: Electrical specifications are measured by pulse testing and are guaranteed for a junction temperature (TJ) equal to the

operating temperature range. C and E grade parts may be operated up to a TJ of +125°. Expect performance similar to

M grade specifications. For TJ between +125°C and +150°C, the output voltage may drift more.

Note 2: (VIN - VOUT) is limited to keep the product (IOUT x (VIN - VOUT)) from exceeding the package power dissipation limits.

Note 3: Dropout Voltage is (VIN - VOUT) when VOUT falls to 100mV below its nominal value at VIN = VOUT + 2V. For example, the

MAX603 is tested by measuring the VOUT at VIN = 7V, then VIN is lowered until VOUT falls 100mV below the measured value.

The difference (VIN - VOUT) is then measured and defined as ∆VDO.

Note 4: Foldback Current Limit was characterized by pulse testing to remain below the maximum junction temperature.

Note 5: The Reverse-Current Protection Threshold is the output/input differential voltage (VOUT - VIN) at which reverse-current

protection switchover occurs and the pass transistor is turned off.

Note 6: Noise is tested using a bandpass amplifier with two poles at 10Hz and two poles at 10kHz.

5V/3.3V or Adjustable, Low-Dropout,

Low IQ, 500mA Linear Regulators

_______________________________________________________________________________________

3

VOUT = 3.0V

VOUT = 4.5V

VIN = 11.5V, VOUT = 2V,

SET = OUT

VIN = 0V, VOUT = 4.5V (MAX603)

VOUT = 3.0V (MAX604)

µVRMS

250

en

Output Noise (Note 6)

nA

±0.01

±10

IOFF

OFF Input Leakage Current

4.0

VIH OFF

OFF Threshold Voltage

3.0

2.0

V

0.4

20

IOUT LKG

OUT Leakage Current

6

µA

0.01

2

nA

±0.01

±10

ISET

SET Input Leakage Current

V

1.16

1.20

1.24

VSET

SET Reference Voltage

150

80

VSET TH

Dual-Mode SET Threshold

µA

0.01

10

620

∆VRTH

mV

620

Reverse-Current Protection

Threshold (Note 5)

mV

80

30

tSTART

%VOUT

2

VOSH

Start-Up Overshoot

20

100

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

10Hz to 10kHz, SET = OUT, RL = 1kΩ,

COUT = 10µF

V OFF = VIN or GND

MAX60_C

On, SET = OUT, VIN = 11.5V

On, SET = OUT, VIN = 6V

MAX604

On, SET = OUT, VIN = 4V

MAX603

Off

MAX60_M

MAX60_E

For internal feedback

VIN = 9V, RL = 18Ω, V OFF switched from

0V to VIN, time from 0% to 95% of VOUT

MAX60_C

VSET = 1.5V or 0V

RL = 1kΩ, COUT = 10µF, OFF rise time ≤ 1µs

MAX60_E

MAX60_M

SET = OUT, RL = 1kΩ

For external feedback

CONDITIONS

ELECTRICAL CHARACTERISTICS (continued)

(VIN = 6V (MAX603) or 4.3V (MAX604), CIN = COUT = 10µF, OFF = VIN, SET = GND, TJ = TMIN to TMAX, unless otherwise noted.

Typical values are at TJ = +25°C.) (Note 1)

VIL OFF

Reverse Leakage Current

IRVL

µs

200

Time Required to Exit Shutdown

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