SC4211STRT Semtech, SC4211STRT Datasheet

IC LDO REG 1A FIX/ADJ 8-SOIC

SC4211STRT

Manufacturer Part Number
SC4211STRT
Description
IC LDO REG 1A FIX/ADJ 8-SOIC
Manufacturer
Semtech
Datasheet

Specifications of SC4211STRT

Regulator Topology
Positive Fixed or Adjustable
Voltage - Output
0.5V, 1V, Adjustable
Voltage - Input
1.4 ~ 6 V
Voltage - Dropout (typical)
0.2V @ 1A
Number Of Regulators
1
Current - Output
1A
Current - Limit (min)
1.1A
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width) Exposed Pad, 8-eSOIC. 8-HSOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SC4211STR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SC4211STRT
Manufacturer:
SEMTECH
Quantity:
8 000
Part Number:
SC4211STRT
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
The SC4211 is a high performance positive voltage
regulator designed for use in applications requiring very
low Input voltage and very low dropout voltage at up to
1 amperes. It operates with a Vin as low as 1.4V, with
output voltage programmable as low as 0.5V. The
SC4211 features ultra low dropout, ideal for applications
where Vout is very close to Vin. Additionally, the SC4211
has an enable pin to further reduce power dissipation
while shutdown. The SC4211 provides excellent regula-
tion over variations in line, load and temperature.
The SC4211 is available in the SOIC-8-EDP (Exposed Die
Pad) package. Depending on how the FB pin is config-
ured, the output voltage can be either externally adjusted
or fixed to either 0.5V or 1V.
Revision: November 06, 2008
POWER MANAGEMENT
Description
Typical Application Circuits
POWER MANAGEMENT
ENABLE
VIN
C1
4
3
2
1
ENABLE
NC
VIN
EN
NC
SC4211
VIN
U1
GND
FB
NC
VO
5
6
8
7
C1
1
4
3
2
C2
NC
VIN
EN
NC
SC4211
U1
VO = 0.5V
GND
FB
NC
VO
5
6
7
8
1
Features
Applications
Very Low Input /Very Low Dropout
Input Voltage as low as 1.4V
400mV dropout @ 1A
Adjustable output from 0.5V
Over current and over temperature protection
Enable pin
10µA quiescent current in shutdown
Full industrial temperature range
Available in SOIC-8-EDP Lead-free package, fully
WEEE and RoHS compliant
Telecom/Networking cards
Motherboards/Peripheral cards
Industrial Applications
Wireless infrastructure
Set top boxes
Medical equipment
Notebook computers
Battery powered systems
R1
R2
ENABLE
VIN
1 Amp Regulator With Enable
C2
VO
C1
1
4
3
2
VO
NC
VIN
EN
NC
SC4211
U1
0.5
GND
FB
NC
VO
(R1
R2
7
6
5
R2)
8
www.semtech.com
Volts
SC4211
C2
VO = 1V

Related parts for SC4211STRT

SC4211STRT Summary of contents

Page 1

... Available in SOIC-8-EDP Lead-free package, fully WEEE and RoHS compliant Applications Telecom/Networking cards Motherboards/Peripheral cards Industrial Applications Wireless infrastructure Set top boxes Medical equipment Notebook computers Battery powered systems SC4211 VIN GND VIN VO = 0.5V 7 ENABLE SC4211 VO 0.5 (R1 R2) VO Volts R2 C2 SC4211 VIN GND www.semtech.com ...

Page 2

... Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards, (2) Tested according to JEDEC standard JESD22-A114-B. Electrical Characteristics Unless specified 1.40V to 6.0V Values in bold apply over the full operating temperature range 2007 Semtech Corp 10µ SC4211 ...

Page 3

... Required to maintain regulation. Voltage set resistors R1 and R2 are usually utilized to meet this requirement. (4) Guaranteed by design. (5) When V exceeds this threshold, the “Sense Select” switch disconnects the internal feedback chain from the error FB amplifier and connects V instead. FB 2007 Semtech Corp. = 10µ ...

Page 4

... POWER MANAGEMENT Pin Configuration Top View NC EN VIN NC SOIC-8-EDP-2 Pin Descriptions 2007 Semtech Corp. Ordering Information Notes: (1) Only available in tape and reel packaging. A reel con- tains 2500 devices. (2) Lead-free product. This product is fully WEEE and RoHS compliant. GND GND SC4211 Bottom View ...

Page 5

... POWER MANAGEMENT Block Diagram 1.5uA Marking Information Top View SC4211 yyww xxxxx yyww = Datecode (Example: 0015) xxxxx = Semtech Lot No. (Example: 00101) 2007 Semtech Corp SC4211 www.semtech.com ...

Page 6

... POWER MANAGEMENT Typical Characteristics 2007 Semtech Corp. Region of Instability Stable Region Region of Instability Region of Instability Stable Region Region of Instability 6 SC4211 www.semtech.com ...

Page 7

... R2 50k ). 2007 Semtech Corp. Enable: Pulling this pin below 0.4V turns the regulator off, reducing the quiescent current to a fraction of its operating value. A pull up resistor up to 400kOhms should be connected from this pin to the VIN pin in application where supply voltages of Vin < ...

Page 8

... Outline Drawing - SOIC-8-EDP 2X E/2 ccc C 2X N/2 TIPS aaa C SEATING PLANE C EXPOSED PAD NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. DATUMS -A- AND 3. DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. 4. REFERENCE JEDEC STD MS-012, VARIATION BA. 2007 Semtech Corp DIM e/2 ...

Page 9

... COMPANY'S MANUFACTURING GUIDELINES ARE MET. 2. REFERENCE IPC-SM-782A, RLP NO. 300A. 3. THERMAL VIAS IN THE LAND PATTERN OF THE EXPOSED PAD SHALL BE CONNECTED TO A SYSTEM GROUND PLANE. FAILURE MAY COMPROMISE THE THERMAL AND/OR FUNCTIONAL PERFORMANCE OF THE DEVICE. Contact Information 2007 Semtech Corp. E SOLDER MASK D DIM ...

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