Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

SC4626 Datasheet(PDF) 3 Page - Semtech Corporation

Part # SC4626
Description  2.5MHz, 1A Synchronous Step Down Regulator in SOT23-5
PDF  22 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4626 Datasheet(HTML) 3 Page - Semtech Corporation

  SC4626 Datasheet HTML 1Page - Semtech Corporation SC4626 Datasheet HTML 2Page - Semtech Corporation SC4626 Datasheet HTML 3Page - Semtech Corporation SC4626 Datasheet HTML 4Page - Semtech Corporation SC4626 Datasheet HTML 5Page - Semtech Corporation SC4626 Datasheet HTML 6Page - Semtech Corporation SC4626 Datasheet HTML 7Page - Semtech Corporation SC4626 Datasheet HTML 8Page - Semtech Corporation SC4626 Datasheet HTML 9Page - Semtech Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 3 / 22 page
background image
www.semtech.com
© 2009 Semtech Corp.
3
SC4626
Exceeding the absolute maximum ratings may result in permanent damage to the device and/or device malfunction. Operation outside of the
parameters specified in the Electrical Characteristics section is not recommended.
Notes:
(1) Measured in free convection, mounted on 10mm x 10mm, 2 layer FR4 PCB shown in figure 4 with copper of 1oz for each layer.
(2) Tested according to JEDEC standard JESD22-A114-B.
Electrical Characteristics
Recommended Operating Conditions
VIN Supply Voltage ……………………………… 2.9 to 5.5V
Maximum Output Current …………………………… 1.0A
Thermal Resistance, Junction to Ambient(1) ………… 90°C/W
Maximum Junction Temperature …………………… +150°C
Operating Junction Temperature …………… -40 to +125˚C
Storage Temperature Range ………………… -65 to +150 °C
Thermal Information
Absolute Maximum Ratings
VIN Supply Voltage ……………………………… -0.3 to 6.0V
LX Voltage …………..
-1 to V
IN+1V, -3V (20ns Max), 6V Max
VOUT Voltage ……………………………… -0.3 to V
IN+0.3V
EN Voltage …………………………………. -0.3 to V
IN+0.3V
Peak IR Reflow temperature …………………………. 260°C
ESD Protection Level(2) …………………………………. 3kV
Unless specified: V
IN = 5.0V; -40°C<TA<+85 °C; TJ(MAX)=125°C; Unless otherwise noted typical values are TA=+25 °C.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Under-Voltage Lockout
UVLO
Rising V
IN
2.60
2.70
2.80
V
Hysteresis
250
mV
Output Voltage Tolerance(1)
ΔV
OUT
V
IN=3.6V to 5.0V; No Load
-2.5
+2.5
%
Current Limit
I
LIMIT
Peak inductor current
1.5
A
VIN Supply Current
I
Q
EN= VIN, No Load
7.5
mA
VIN Shutdown Current
I
SHDN
EN= GND
1
10
µA
High Side Switch Resistance
R
DSON_P
I
LX= 100mA
0.15
Ω
Low Side Switch Resistance
R
DSON_N
I
LX= -100mA
0.125
LX Leakage Current
I
LK(LX)
V
IN=5.5V; LX=0V; EN=GND
1
10
µA
V
IN=5.5V; LX=5.0V; EN=GND
-10
-1
Line Regulation
ΔV
LINE-REG
V
IN= 3.6 – 5.0V; IOUT=0A
±1.0
%
Load Regulation(2)
ΔV
LOAD-REG
V
IN= 5.0V; IOUT=10mA – 1.0A
±1.0
%
Oscillator Frequency
F
OSC
2.0
2.5
3.0
MHz
Soft-Start Time(2)
T
SS
100
µs
EN Input High Current
I
EN_HI
EN=VIN
-2.0
2.0
µA
EN Input Low Current
I
EN_LO
EN=GND
-2.0
2.0
µA
EN Input High Threshold
V
EN_HI
1.2
V
EN Input Low Threshold
V
EN_LO
0.4
V



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com