sip32411 Vishay, sip32411 Datasheet

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sip32411

Manufacturer Part Number
sip32411
Description
2 A, 1.2 V, Slew Rate Controlled Load Switch
Manufacturer
Vishay
Datasheet

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DESCRIPTION
The SiP32411 is a slew rate controlled load switch that is
designed for 1.1 V to 5.5 V operation.
The device guarantees low switch on-resistance at 1.2 V
input. It features a controlled soft-on slew rate of typical
150 µs that limits the inrush current for designs of capacitive
load or noise sensitive loads.
The device features a low voltage control logic interface (On/
Off interface) that can interface with low voltage digital
control without extra level shifting circuit. It also integrates an
output discharge switch that enables fast shutdown load
discharge. When the switch is off, it provides the reverse
blocking to prevent high current flowing into the power
source.
The SiP32411DN is in TDFN4 package of 1.2 mm by 1.6 mm.
It supports over 2 A of continuous current. The SiP32411DR
is in SC70-6 package.
TYPICAL APPLICATION CIRCUIT
Document Number: 66710
S11-0367-Rev. D, 07-Mar-11
GND
V
IN
2 A, 1.2 V, Slew Rate Controlled Load Switch
C
4.7 µF
IN
EN
Figure 1 - SiP32411 Typical Application Circuit
EN
IN
SiP32411
GND
FEATURES
APPLICATIONS
• 1.1 V to 5.5 V operation voltage range
• 62 mΩ typical from 2 V to 5 V for SiP32411DN
• 101 mΩ typical from 2 V to 5 V for SiP32411DR
• Low R
• Slew rate controlled turn-on: 150 µs at 3.6 V
• Fast shutdown load discharge
• Low quiescent current
• Switch off reversed blocking
• Compliant to RoHS Directive 2002/95/EC
• Halogen-free according to IEC 61249-2-21 definition
• Cellular phones
• Portable media players
• Digital camera
• GPS
• Computers
• Portable instruments and healthcare devices
< 1 µA when disabled
6.7 µA at V
OUT
ON
down to 1.2 V
IN
= 1.2 V
C
0.1 µF
OUT
Vishay Siliconix
SiP32411
GND
V
OUT
www.vishay.com
1

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sip32411 Summary of contents

Page 1

... S11-0367-Rev. D, 07-Mar-11 FEATURES • 1 5.5 V operation voltage range • 62 mΩ typical from for SiP32411DN • 101 mΩ typical from for SiP32411DR • Low R ON • Slew rate controlled turn-on: 150 µs at 3.6 V • Fast shutdown load discharge • ...

Page 2

... SC70-6 package ) TDFN4 1 1.6 mm SC70-6 package TDFN4 1 1 pin SC70 pin TDFN4 1 1 pin SC70 pin TDFN4 1 1.6 mm Limit 1 Part Number SiP32411DR-T1-GE3 SiP32411DNP-T1-GE4 Limit Unit - 0.3 IN 1.8 2.4 A 2.2 3 4000 125 °C 240 ° ...

Page 3

... inactive ° Ω 3 LOAD SiP32411 Vishay Siliconix Limits - 40 ° ° Min. Typ. Max. 1.1 - 5 °C - 105 125 A 120 = 25 °C ...

Page 4

... SiP32411 Vishay Siliconix PIN CONFIGURATION OUT 1 2 GND EN 3 Top View Figure 2 - SC70-6 Package PIN DESCRIPTION Pin Number Name SC70-6 TDFN4 This pin is the n-channel MOSFET drain connection. Bypass to ground through a 2.2 µF capacitor GND Ground connection Enable input ...

Page 5

... Figure vs. V for SC70-6 package DS(on) IN Document Number: 66710 S11-0367-Rev. D, 07-Mar-11 1000 0.01 0.001 4.0 4.5 5 4.0 4.5 5.0 5.5 for TDFN4 package 4.0 4.5 5.0 5.5 SiP32411 Vishay Siliconix 100 Temperature (°C) Figure 9 - Off Switch Current vs. Temperature 85 TDFN4 1 1.6 mm package 0 ...

Page 6

... SiP32411 Vishay Siliconix TYPICAL CHARACTERISTICS (internally regulated, 25 °C, unless otherwise noted) 600 550 500 450 400 350 300 250 200 150 100 1.0 1.5 2.0 2.5 3.0 3.5 V (V) IN Figure 14 - Output Pull Down vs. Input Voltage 100 0.1 0.01 1.0 1.5 2.0 2.5 3.0 3.5 V (V) OUT Figure 16 - Reverse Blocking Current vs. Output Voltage ...

Page 7

... TYPICAL WAVEFORMS Figure 21 - Switching (V IN Figure 23 - Switching (V Document Number: 66710 S11-0367-Rev. D, 07-Mar-11 0. 0.1 µ Ω 0.18 0.16 0.14 0.12 0. Temperature (°C) Figure 20 - Turn-Off Delay Time vs. Temperature = 3 SiP32411 Vishay Siliconix 60 80 100 Figure 22 - Turn-Off ( Figure 24 - Turn-Off ( www.vishay.com 7 ...

Page 8

... SiP32411 Vishay Siliconix BLOCK DIAGRAM IN EN PCB LAYOUT Top Figure 26 - PCB Layout for TDFN4 1 1.6 mm (board size: 1 inch x 1 inch) Top Figure 27 - PCB Layout for SC70-6 (board size: 1 inch x 1 inch) www.vishay.com 8 Reverse Blocking Charge Control Turn-On Pump Logic Slew Rate ...

Page 9

... Thermal Considerations The SiP32411 is designed to maintain a constant output load current. Due to physical limitations of the layout and assembly of the device the maximum switch current is 1.8 A for SC70-6 package and 2.4 A for TDFN4 package, as stated in the Absolute Maximum Ratings table ...

Page 10

... Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part ...

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