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General Description

The MAX15006/MAX15007 ultra-low quiescent-current

linear regulators are ideal for use in automotive and

battery-operated systems. These devices operate from

an input voltage of 4V to 40V, deliver up to 50mA of out-

put current, and consume only 10µA of quiescent cur-

rent at no load. The internal p-channel pass device

keeps the quiescent current low even at full load. The

MAX15007 consumes only 3µA current when in shut-

down.

The MAX15006A/MAX15007A have a fixed 3.3V output

while the MAX15006B/MAX15007B have a fixed 5V out-

put voltage. The MAX15007 includes an enable input to

turn the device on or off. All devices are short-circuit

protected and include thermal shutdown.

The MAX15006/MAX15007 operate over the -40°C to

+125°C automotive temperature range. These devices

are available in space-saving 3mm x 3mm 6-pin TDFN

and 8-pin SO thermally enhanced packages.

Applications

Automotive

Tire-Pressure Monitoring

Industrial

Telecom

Networking

Features

o Wide Operating Input Voltage Range (4V to 40V)

o Guaranteed 50mA Output Current

o Low Quiescent Current

10µA (No Load) and 90µA (Full Load)

o Operates Through Cold-Crank Condition

o Withstands 45V Load Dump

o Low Dropout Voltage of 300mV

(MAX15006B/MAX15007B)

o Stable Operation with Tiny 2.2µF Output

Capacitor

o Enable Input (MAX15007)

o Preset 3.3V and 5.0V Output Voltages

o Thermal and Short-Circuit Protection

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

o Thermally Enhanced 3mm x 3mm 6-Pin TDFN/

8-Pin SO Packages

MAX15006/MAX15007

40V, Ultra-Low Quiescent-Current

Linear Regulators in 6-Pin TDFN/8-Pin SO

________________________________________________________________

Maxim Integrated Products

OUT GND

N.C.IN

OUT

MAX15006A

MAX15006B

123

*EP

654

TDFN

TOP VIEW

N.C.

GND

*EXPOSED PAD

*EP

N.C.

OUT

N.C.N.C.

N.C.

MAX15006A

MAX15006B

Pin Configurations

19-0663; Rev 0; 10/06

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Pin Configurations continued at end of data sheet.

Ordering Information

Ordering Information continued at end of data sheet.

Note: All devices are specified over the -40°C to +125°C oper-

ating temperature range.

Denotes lead-free package.

EP = Exposed pad.

PART

PIN-

PACKAGE

TOP

MARK

PKG

CODE

MAX15006AASA+ 8 SO-EP* — S8E-12

MAX15006AATT+ 6 TDFN-EP* APE T633-2

MAX15006BASA+ 8 SO-EP* — S8E-12

MAX15006BATT+ 6 TDFN-EP* APF T633-2

Summary of content (15 pages)

PAGE 1
9-0663; Rev 0; 10/06 40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO The MAX15006/MAX15007 ultra-low quiescent-current linear regulators are ideal for use in automotive and battery-operated systems. These devices operate from an input voltage of 4V to 40V, deliver up to 50mA of output current, and consume only 10µA of quiescent current at no load. The internal p-channel pass device keeps the quiescent current low even at full load.
PAGE 2
MAX15006/MAX15007 40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO ABSOLUTE MAXIMUM RATINGS IN to GND ...............................................................-0.3V to +45V EN to GND..............................................................-0.3V to +45V OUT to GND ...........................................................-0.3V to +12V OUT Short-Circuit Duration ........................................Continuous Maximum Current Into Any Pin (except IN and OUT) ......
PAGE 3
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO (VIN = 14V, IOUT = 1mA, CIN = 0.1µF, COUT = 2.2µF, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical specifications are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS Output Current Limit TYP 80 Output Voltage Noise Power-Supply Rejection Ratio MIN PSRR 100Hz to 100kHz, IOUT VOUT = 3.3V = 50mA, COUT = 2.
PAGE 4
Typical Operating Characteristics (VIN = 14V, CIN = 0.1µF, COUT = 2.2µF, VEN = VIN, TA = +25°C, unless otherwise noted.) OUTPUT VOLTAGE vs. INPUT VOLTAGE (MAX15006B/MAX15007B) 4.5 3.42 3.39 4.0 2.4 2.1 VOUT (V) 1.8 1.5 1.2 0.9 0.6 0.3 0 3.0 2.5 10 15 20 25 30 35 3.30 1.5 3.24 1.0 3.21 0.5 40 IOUT = 50mA 3.18 IOUT = 0 0 5 3.33 3.27 2.0 IOUT = 0 IOUT = 1mA 3.36 3.5 0 3.
PAGE 5
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO 24 21 NUMBER OF UNITS NUMBER OF UNITS 21 18 15 12 9 MAX15007, IOUT = 0 50 UNITS TESTED 18 15 12 6 27 9 21 18 15 12 9 6 6 3 3 3 0 0 0 10.4 10.5 10.6 10.7 10.8 10.9 11.0 10.8 10.9 11.0 11.1 11.2 11.3 11.6 11.
PAGE 6
Typical Operating Characteristics (continued) (VIN = 14V, CIN = 0.1µF, COUT = 2.2µF, VEN = VIN, TA = +25°C, unless otherwise noted.) POWER-SUPPLY REJECTION RATIO vs. FREQUENCY IOUT = 50mA -10 -20 EN 1V/div COUT = 2.2μF PSRR (dB) -30 -40 -50 -60 -70 VOUT 2V/div -80 MAX15006B/MAX15007B VIN = 40V, IOUT = 50mA COUT = 10μF -90 -100 0.1 0.01 400μs/div 1 10 100 1000 10 MAX15006 toc21 0 OUTPUT-NOISE SPECTRAL DENSITY vs.
PAGE 7
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO OUTPUT VOLTAGE NOISE vs. OUTPUT CAPACITANCE CLAMPED LOAD DUMP (IOUT = 0) MAX15006 toc25 MAX15006 toc24 150 135 120 40V VIN en (μVRMS) 105 90 13.5V 75 60 45 VOUT AC-COUPLED 20mV/div 30 MAX15006A/MAX15007A IOUT = 25mA 15 0 0 2 4 6 8 10 12 14 16 18 20 22 100ms/div COUT (μF) Pin Description PIN MAX15006 MAX15007 NAME FUNCTION TDFN SO TDFN SO 1, 2 1 1, 2 1 IN 3 2, 3, 4, 6, 7 — 2, 4, 6, 7 N.C.
PAGE 8
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO MAX15006/MAX15007 Functional Diagrams IN + THERMAL SENSOR 1.242V REF FET DRIVER WITH CURRENT LIMIT ERROR AMPLIFIER OUT GND MAX15006 Figure 1. MAX15006 Simplified Functional Diagram IN EN CONTROL LOGIC + THERMAL SENSOR 1.242V REF FET DRIVER WITH CURRENT LIMIT ERROR AMPLIFIER OUT GND MAX15007 Figure 2.
PAGE 9
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO The MAX15006/MAX15007 high-voltage linear regulators operate over a 4V to 40V input voltage range. These devices guarantee 50mA load drive, and offer preset output voltages of +3.3V or +5V. Thermal shutdown and short-circuit protection prevent damage during overtemperature and overcurrent conditions. The MAX15007 includes an enable input (EN) allowing the regulators to be turned on/off using a logic-level voltage.
PAGE 10
Applications Information Available Output Current Calculation The MAX15006/MAX15007 provide up to 50mA of continuous output current. The input voltage range extends to 40V. Package power dissipation limits the amount of output current available for a given input/output voltage and ambient temperature. Figure 4 shows the maximum allowable power dissipation for these devices to keep the junction temperature below +150°C.
PAGE 11
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO IOUT(MAX) = 1.5478W = 172mA ⇒ IOUT(MAX) = 50mA 14V − 5V Example 3 (TDFN Package): TA = +50°C VIN = 9V VOUT = 5V Calculate the maximum allowable package dissipation at the given temperature as follows: PD = 1.9048W Find the maximum output current: IOUT(MAX) = 1.
PAGE 12
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO MAX15006/MAX15007 Selector Guide PART ENABLE INPUT FIXED OUTPUT VOLTAGE (V) TOP MARK PIN-PACKAGE MAX15006AASA+ — 3.3 — 8 SO-EP MAX15006AATT+ — 3.3 APE 6 TDFN-EP MAX15006BASA+ — 5 — 8 SO-EP MAX15006BATT+ — 5 APF 6 TDFN-EP MAX15007AASA+ √ 3.3 — 8 SO-EP 6 TDFN-EP MAX15007AATT+ √ 3.
PAGE 13
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO 6, 8, &10L, DFN THIN.EPS PACKAGE OUTLINE, 6,8,10 & 14L, TDFN, EXPOSED PAD, 3x3x0.80 mm 21-0137 H 1 2 ______________________________________________________________________________________ 13 MAX15006/MAX15007 Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.
PAGE 14
MAX15006/MAX15007 40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO Package Information (continued) (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) COMMON DIMENSIONS PACKAGE VARIATIONS SYMBOL MIN. MAX. PKG. CODE N D2 E2 e JEDEC SPEC b A 0.70 0.80 T633-1 6 1.50±0.10 2.30±0.10 0.95 BSC MO229 / WEEA 0.40±0.05 1.90 REF D 2.90 3.
PAGE 15
40V, Ultra-Low Quiescent-Current Linear Regulators in 6-Pin TDFN/8-Pin SO 8L, SOIC EXP. PAD.EPS PACKAGE OUTLINE 8L SOIC, .150" EXPOSED PAD 21-0111 C 1 1 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.