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MAX16999AUA11T

Ultra-Low Output Voltage, Low-Quiescent-Current Linear Regulator for High-Temperature Applications

Maxim Integrated 

MAX16999

Ultra-Low Output Voltage, Low-Quiescent-Current

Linear Regulator for High-Temperature Applications

Absolute Maximum Ratings

IN, RESET to GND................................................-0.3V to +6.0V

OUT, CRES, EN to GND.............................-0.3V to (VIN + 0.3V)

Output Short-Circuit Duration.....................................Continuous

Continuous Power Dissipation (TA = +70°C) (Note 1)

(derate 10.3mW/°C above +70°C)

μMAX (single-layer PCB)..........................................824.7mW

(derate 12.9mW/°C above +70°C)

μMAX (multilayer PCB)...........................................1030.9mW

Package Junction-to-Case Thermal Resistance (θJC)....4.8°C/W

Package Junction-to-Ambient Thermal Resistance (θJA)

(single-layer PCB)........................................................97°C/W

Package Junction-to-Ambient Thermal Resistance (θJA)

(multilayer PCB)........................................................77.6°C/W

Operating Temperature Range.......................... -40°C to +125°C

Junction Temperature.......................................................+150°C

Storage Temperature Range............................. -60°C to +150°C

Lead Temperature (soldering, 10s).................................. +300°C

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer

board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these

or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect

device reliability.

DC Electrical Characteristics

(For devices with VOUT ≤ 1.5V, VIN = 3.3V. For devices with VOUT > 1.5V, VIN = 5V. EN = IN, TJ = -40°C to +125°C, CIN = 1μF, COUT

= 4.7μF, CCRES = 1000pF, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)

PARAMETER

IN Operating Voltage

IN Undervoltage-Lockout (UVLO)

Threshold

IN UVLO Hysteresis

Output-Voltage Accuracy

Current Limit

Ground Current

Dropout Voltage

Load Regulation

Line Regulation

Power-Supply Rejection Ratio

SYMBOL

VIN

VUVLO

VIN rising

CONDITIONS

VIN = VOUT + 2V

VOUT ≤ 1.5V,

IOUT = 1mA to 80mA

VOUT > 1.5V,

IOUT = 1mA to 100mA

ILIM

OUT = GND

IQ

IOUT = 100µA

IOUT = 100mA

VIN - VOUT IOUT = 80mA, VOUT = 3.3V (Note 3)

ΔVOUT/ΔIOUT IOUT = 1mA to 80mA

ΔVOUT/ΔVIN IOUT = 80mA

VOUT < 1V,

2.5V < VIN < 5.5V

VOUT ≥ 1V, (VOUT +

1.5V) < VIN < 5.5V

PSRR

IOUT = 10mA,

500mVP-P, VIN -

VOUT > 1.5V

f = 100Hz

f = 100kHz

MIN TYP MAX UNITS

2.5

5.5

V

1.94 2.2

V

45

mV

-2.5

+2.5

%

-2.5

+2.5

105 150

mA

13

20

µA

23

0.035 0.1

V

0.1

mV/mA

0.4

mV/V

1.8

70

dB

40

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