MAX5091BATA+T Maxim Integrated Products, MAX5091BATA+T Datasheet

IC REG LDO 3.3V 8-TDFN

MAX5091BATA+T

Manufacturer Part Number
MAX5091BATA+T
Description
IC REG LDO 3.3V 8-TDFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5091BATAT.pdf (15 pages)

Specifications of MAX5091BATA+T

Regulator Topology
Positive Fixed
Voltage - Output
3.3V
Voltage - Input
5 ~ 28 V
Voltage - Dropout (typical)
0.3V @ 100mA
Number Of Regulators
1
Current - Output
100mA
Current - Limit (min)
160mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-TDFN Exposed Pad
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
28 V
Output Voltage
3.3 V
Output Type
Fixed
Dropout Voltage (max)
0.25 V at 10 mA
Output Current
100 mA
Line Regulation
5 mV
Load Regulation
40 mV
Maximum Power Dissipation
1.951 W
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MAX5091BATA+T
MAX5091BATA+TTR
The MAX5091 high-voltage linear regulator is designed
to operate from a +5V to +28V input voltage, and with-
stands up to 40V transients. The device consumes only
45µA of quiescent current at 100µA output current. The
MAX5091 delivers up to 100mA of output current with
low 50mV maximum dropout voltage. The MAX5091
provides an active-low open-drain microprocessor
RESET output. The reset timeout period is programma-
ble and can be set with an external capacitor. The
MAX5091 includes an uncommitted comparator for
input voltage monitoring/power-fail indication. The
device is available with a fixed +5V (MAX5091A) or
+3.3V (MAX5091B) output. The MAX5091 is short-cir-
cuit protected and includes thermal shutdown.
The MAX5091 operates over the -40°C to +125°C auto-
motive temperature range and is available in 8-pin,
thermally enhanced TDFN and SO-EP packages.
19-0654; Rev 0; 11/06
Note: All devices specified for -40°C to +125°C operating temperature range.
+Denotes lead-free package. *EP = Exposed paddle.
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.
Automotive
Industrial
MAX5091AATA+T
MAX5091AASA+
MAX5091BATA+T
MAX5091BASA+
V
IN
288kΩ
100kΩ
+5V TO +28V
R
R
H
L
PART
OFF
Typical Application Circuit
0.1μF
ON
10μF
C
C
CT
IN
28V, 100mA, Low-Quiescent-Current LDO
________________________________________________________________ Maxim Integrated Products
with Reset and Power-Fail Input/Output
V
CT
EN
SI
General Description
S
MAX5091
GND
PIN-
PACKAGE
8 TDFN-8
8 TDFN-8
8 SO-EP*
8 SO-EP*
Home Security/Safety
Telecom/Networking
V
RES
OUT
SO
Applications
+3.3V (MAX5091B)
R
10kΩ
+5V (MAX5091A)/
RES
R
10kΩ
SO
100mA
C
10μF
OUT
POWER-
FAIL
μC
RESET
PRESET V
(V)
3.3
3.3
5
5
♦ +5V to +28V Wide Operating Input Voltage Range
♦ Withstands 40V Input Voltage Transients
♦ Guaranteed 100mA Output Current
♦ 45µA Typical Quiescent Current at 100µA Output
♦ Preset +5V (MAX5091A) or +3.3V (MAX5091B)
♦ Stable with Only 10µF Output Capacitance
♦ RESET Output with Adjustable Timeout Period
♦ Uncommitted Comparator for Voltage
♦ Output Overload and Short-Circuit Protection
♦ Thermal Shutdown
♦ Available in 8-Pin TDFN (1.95W at T
♦ Operates Over -40°C to +125°C Automotive
OUT
Pin Configurations continued at end of data sheet.
Current
Output Voltage
Monitoring/Power-Fail Indication
8-Pin SO (1.5W at T
Temperature Range
TOP VIEW
S8E-14
S8E-14
T833-2
T833-2
CODE
PKG
Ordering Information
V
+
A
V
OUT
8
1
S
(3mm x 3mm)
= +70°C)
Pin Configurations
EXPOSED PADDLE
MAX5091
SO
SI
7
2
TDFN
RES
EN
6
3
GND
CT
4
5
A
MARK
Features
+APB
+APC
= +70°C) and
TOP
—
—
1

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MAX5091BATA+T Summary of contents

Page 1

... TDFN and SO-EP packages. Automotive Home Security/Safety Industrial Telecom/Networking PIN- PART PACKAGE MAX5091AATA+T 8 TDFN-8 MAX5091AASA+ 8 SO-EP* MAX5091BATA+T 8 TDFN-8 MAX5091BASA+ 8 SO-EP* Note: All devices specified for -40°C to +125°C operating temperature range. +Denotes lead-free package. *EP = Exposed paddle. Typical Application Circuit +5V TO +28V ...

Page 2

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +28V S to GND (t ≤ 1s) ..................................................-0.3V to +40V GND ..........................................................-0.3V to +20V OUT V to OUT ...............................................................-0.3V ...

Page 3

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output ELECTRICAL CHARACTERISTICS (MAX5091A) (continued +14V 5V, EN unconnected OUT specifications are +25°C.) (Note 1) A PARAMETER SYMBOL RESET Reset Threshold Voltage V ...

Page 4

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output ELECTRICAL CHARACTERISTICS (MAX5091B +14V 3.3V, EN unconnected OUT specifications are +25°C.) (Note 1) A PARAMETER SYMBOL Output Voltage V OUT V to ...

Page 5

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output ELECTRICAL CHARACTERISTICS (MAX5091B) (continued +14V 3.3V, EN unconnected OUT specifications are +25°C.) (Note 1) A PARAMETER SYMBOL SENSE Sense Threshold V ST ...

Page 6

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output (Typical Application Circuit +14V wise noted.) OUTPUT VOLTAGE vs. TEMPERATURE 5.050 MAX5091A 5.025 I = 100μA OUT I = 1mA OUT 5.000 4.975 I = 10mA OUT ...

Page 7

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output (Typical Application Circuit +14V wise noted.) DROPOUT VOLTAGE vs. TEMPERATURE 400 MAX5091A V = 4.75V 350 S 300 250 I = 100mA OUT 200 150 100 50 ...

Page 8

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output (Typical Application Circuit +14V wise noted.) V STARTUP RESPONSE OUT MAX5091 toc21 I = 10mA OUT V OUT 2V/div 5V/div 0V 10ms/div PIN NAME ...

Page 9

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output INT 3μA MAX EN ALWAYS-ON PREREGULATOR ALWAYS-ON V INT 3.6V (MAX Figure 1. Functional Diagram _______________________________________________________________________________________ LDO PASS ELEMENT V REF ENABLE V OUT N 0.9 ...

Page 10

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output Detailed Description The MAX5091 high-voltage, LDO regulator operates from +5V to +28V input voltage. The device withstands up to 40V transients, providing protection against tem- porary overvoltage conditions like load dump. ...

Page 11

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output Applications Information Available Output Current Calculation The MAX5091 high-voltage regulator provides up to 100mA of output current. The input voltage extends to +28V. Package power dissipation limits the amount of output ...

Page 12

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output Pin Configurations (continued) TOP VIEW + MAX5091 EN 3 EXPOSED PADDLE CT 4 SO-EP 12 ______________________________________________________________________________________ PROCESS: BiCMOS 8 V OUT RES 5 ...

Page 13

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ Package Information PACKAGE OUTLINE 8L SOIC, .150" ...

Page 14

Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 14 ______________________________________________________________________________________ Package Information (continued) PACKAGE OUTLINE, 6,8,10 ...

Page 15

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 15 © 2006 Maxim Integrated Products ...

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