MAX1749EUK+T Maxim Integrated Products, MAX1749EUK+T Datasheet

IC DRVR MOTOR VIBRATOR SOT23-5

MAX1749EUK+T

Manufacturer Part Number
MAX1749EUK+T
Description
IC DRVR MOTOR VIBRATOR SOT23-5
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1749EUK-T.pdf (8 pages)

Specifications of MAX1749EUK+T

Applications
Vibration Motor Driver
Number Of Outputs
1
Current - Output
120mA
Voltage - Load
1.13 V ~ 1.37 V
Voltage - Supply
2.5 V ~ 6.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-5, SC-74A, SOT-25
Polarity
Positive
Output Type
Adjustable, Fixed
Output Voltage
1.25 V to 6.5 V, 1.25 V
Output Current
0.12 A
Input Voltage Max
6.5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Maximum Power Dissipation
571 mW
Mounting Style
SMD/SMT
Reference Voltage
1.25 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX1749 allows for a constant vibration force while
operating from a +2.5V to +6.5V input range and deliver-
ing up to 120mA. A PMOS pass transistor allows the
80µA supply current to remain independent of the load.
The output voltage can be adjusted from +1.25V to V
with an external resistor-divider. When turned off
(ON = low), the MAX1749 supply current drops to 1µA
(max) to minimize battery drain. Other features include
short-circuit protection, thermal shutdown protection,
and reverse battery protection. The MAX1749 is avail-
able in a 5-pin SOT23 package.
________________________Applications
19-1455; Rev 1; 6/99
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
2.5V TO 6.5V
BATTERY
Wireless Handset Vibrator Motor Drivers
Pager Vibrator Motor Drivers
1 F
C
IN
OFF
Typical Operating Circuit
________________________________________________________________ Maxim Integrated Products
ON
General Description
ON
IN
MAX1749
GND
OUT
SET
UP TO 120mA
1.25V
SOT23 Vibrator Motor Driver
C
1 F
OUT
IN
____________________________Features
MAX1749EUK-T
Fixed 1.25V or Adjustable (1.25V to 6.5V) Output
Low Cost
Thermal Overload Protection
Output Current Limit
Reverse Battery Protection
Low 0.1nA Off Supply Current
Low 80µA Full-Load Supply Current
TOP VIEW
PART
GND
ON
IN
TEMP. RANGE
-40°C to +85°C
1
2
3
Ordering Information
SOT23-5
MAX1749
Pin Configuration
5
4
PACKAGE
5 SOT23
OUT
SET
PIN-
MARK
ADIX
TOP
1

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MAX1749EUK+T Summary of contents

Page 1

... ON MAX1749 ON SET BATTERY OFF GND ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. SOT23 Vibrator Motor Driver ____________________________Features Fixed 1.25V or Adjustable (1.25V to 6.5V) Output Low Cost Thermal Overload Protection ...

Page 2

SOT23 Vibrator Motor Driver ABSOLUTE MAXIMUM RATINGS IN to GND ....................................................................-7V to +7V Output Short-Circuit Duration ............................................Infinite SET to GND ..............................................................-0. GND ..................................................................- IN....................................................................-7V to +0.3V OUT to GND ................................................-0. ...

Page 3

Operating Characteristics (V = +3.6V, SET = OUT 1µ OUTPUT VOLTAGE vs. LOAD CURRENT 1.27 1.26 1.25 1.24 1.23 1.22 1. 100 LOAD CURRENT (mA) SUPPLY CURRENT vs. INPUT ...

Page 4

SOT23 Vibrator Motor Driver (V = +3.6V, SET = OUT 1µ OUT LINE-TRANSIENT RESPONSE 1.25V 1.24V 1.23V 4.6V 3.6V 50 s/div I = 50mA AC-COUPLED LOAD IN OUT ON/OFF ...

Page 5

Description PIN NAME Active-High On/Off Input. Apply a logic high to deliver power to the load. Apply a logic low to disconnect the 1 ON load and reduce the supply current to 0.1nA. Ground. This pin also functions as ...

Page 6

SOT23 Vibrator Motor Driver OUT IN MAX1749 ON ON SET C IN BATTERY 1µF OFF GND Figure 2. Adjustable Output Using External Feedback Resistors The P-channel MOSFET requires no base drive current, which reduces quiescent current considerably. PNP- based regulators ...

Page 7

Capacitor Selection and _________________Regulator Stability Use a 1µF capacitor on the input and a 1µF capacitor on the output of the MAX1749. A higher-value input capacitor (10µF) may be necessary if large, fast tran- sients are anticipated and the device ...

Page 8

... 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. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1999 Maxim Integrated Products ...

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