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LM2771 Datasheet(PDF) 2 Page - Texas Instruments

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No. de pieza LM2771
Descripción Electrónicos  Low-Ripple 250mA Switched Capacitor Step-Down DC/DC Converter
Download  16 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

LM2771 Datasheet(HTML) 2 Page - Texas Instruments

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Die-Attach
Pad: GND
1
2
3
4
5
10
9
8
7
6
Die-Attach
Pad: GND
VIN
GND
VOUT
NC
NC
Top View
Bottom View
EN
GND
NC
C1+
C1-
EN
GND
NC
C1+
C1-
VIN
GND
VOUT
NC
NC
LM2771
SNVS435 – MARCH 2006
www.ti.com
Connection Diagram
Figure 1. 10-Pin Non-Pullback Leadless Frame Package (WSON-10)
Package Number DSC0010A
Pin Descriptions
Pin #
Name
Description
1
VIN
Input Voltage: Recommended VIN operating range 3.0V to 5.5V.
2
GND
Ground
3
VOUT
Output Voltage
4
NC
No Connect
5
NC
No Connect
6
C1-
Flying Capacitor 1: Negative Terminal
7
C1+
Flying Capacitor 1: Positive Terminal
8
NC
No Connect
9
GND
Ground
10
EN
Enable Pin Logic Input. Applying a logic HIGH voltage signal enables the part. A logic LOW
voltage signal places the the device in shutdown.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings
(1) (2) (3)
VIN Pin Voltage
-0.3V to 6.0V
EN Pin Voltage
-0.3V to (VIN+0.3V) w/ 6.0V max
Continuous Power Dissipation(4)
Internally Limited
Junction Temperature (TJ-MAX)
150ºC
Storage Temperature Range
-65ºC to +150º C
Maximum Lead Temperature(5)
265ºC
Human Body Model
2.0kV
ESD Rating(6)
Machine Model
200V
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under
which operation of the device is guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed
performance limits and associated test conditions, see the Electrical Characteristics tables.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(3)
All voltages are with respect to the potential at the GND pins.
(4)
Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at TJ=150ºC (typ.) and
disengages at TJ=140ºC (typ.).
(5)
For detailed information on soldering requirements and recommendations, please refer to National Semiconductor's Application Note
1187 (AN-1187): Leadless Leadframe Package (LLP).
(6)
The Human body model is a 100pF capacitor discharged through a 1.5k
Ω resistor into each pin. The machine model is a 200pF
capacitor discharged directly into each pin. MIL-STD-883 3015.7
2
Submit Documentation Feedback
Copyright © 2006, Texas Instruments Incorporated
Product Folder Links: LM2771


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