MAX604CSLASHD datasheet(3/11 Pages) MAXIM

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(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)

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.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Reverse-Current Protection

Threshold (Note 5)

∆VRTH

VOUT = 4.5V

MAX603

VOUT = 3.0V

MAX604

Reverse Leakage Current

IRVL

VIN = 0V, VOUT = 4.5V

(MAX603) VOUT = 3.0V

(MAX604)

MAX60_C

0.01

µA

MAX60_E

MAX60_M

100

Start-Up Overshoot

VOSH

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

%VOUT

Time Required to Exit Shutdown

tSTART

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

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

200

µs

Dual-Mode SET Threshold

VSET TH

For internal feedback

For external feedback

150

SET Reference Voltage

VSET

SET = OUT, RL = 1kΩ

1.16

1.20

1.24

SET Input Leakage Current

ISET

VSET = 1.5V or 0V

±0.01

±10

OUT Leakage Current

IOUT LKG VIN = 11.5V, VOUT = 2V,

SET = OUT

MAX60_C

0.01

μA

MAX60_E

MAX60_M

OFF Threshold Voltage

VIL OFF Off

0.4

VIH OFF

On, SET = OUT, VIN = 4V

2.0

On, SET = OUT, VIN = 6V

3.0

On, SET = OUT, VIN = 11.5V

4.0

OFF Input Leakage Current

IOFF

VOFF = VIN or GND

±0.01

±10

Output Noise (Note 6)

10Hz to 10kHz, SET = OUT, RL = 1kΩ,

COUT = 10μF

250

μVRMS

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MAX603/MAX604

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

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Electrical Characteristics (continued)

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