Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

SC643EVB Datasheet(PDF) 4 Page - Semtech Corporation

Part # SC643EVB
Description  Light Management Unit with 4 LDOs and SemPulse짰Interface
PDF  26 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC643EVB Datasheet(HTML) 4 Page - Semtech Corporation

  SC643EVB Datasheet HTML 1Page - Semtech Corporation SC643EVB Datasheet HTML 2Page - Semtech Corporation SC643EVB Datasheet HTML 3Page - Semtech Corporation SC643EVB Datasheet HTML 4Page - Semtech Corporation SC643EVB Datasheet HTML 5Page - Semtech Corporation SC643EVB Datasheet HTML 6Page - Semtech Corporation SC643EVB Datasheet HTML 7Page - Semtech Corporation SC643EVB Datasheet HTML 8Page - Semtech Corporation SC643EVB Datasheet HTML 9Page - Semtech Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 26 page
background image
SC643
4
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Charge Pump Electrical Specifications (Cont.)
1.5x Mode to 2x Mode
Falling Transition Voltage
V
TRANS1.5x
I
OUT
= 50mA, I
BLn
= 10mA, V
OUT
= 4.2V(5)
2.91
V
2x Mode to 1.5x Mode Hysteresis
V
HYST1.5x
I
OUT
= 50mA, I
BLn
= 10mA, V
OUT
= 4.2V(5)
520
mV
Current Sink Off-State
Leakage Current
I
BL/FL(OFF)
V
IN
= V
BLn
= 4.2V
0.1
1
μA
Pump Frequency
f
PUMP
V
IN
= 3.2V
250
kHz
LDO Electrical Specifications
LDO1, LDO3, and LDO4
Voltage Setting Range
V
LDOm
(6)
Range of nominal settings
1.5
3.3
V
LDO2 Voltage Setting Range
V
LDO2
Range of nominal settings
1.2
1.8
V
Output Voltage Accuracy
ΔV
LDO
I
LDO
= 1mA, T
A
= 25°C, 2.9V ≤ V
IN
≤ 4.2V
-3
±1.0
+3
%
I
LDO
= 1mA to 100mA, 2.9V ≤ V
IN
≤ 4.2V
-3.5
+3.5
%
Dropout Voltage
V
Dm
I
LDOm
= 150mA, V
IN
= V
LDOm
+ V
Dm
150
200
mV
V
D2
I
LDO2
= 100mA, V
IN
= V
LDO2
+ V
D2
100
150
Current Limit
I
LIM
200
mA
Line Regulation
ΔV
LINE
I
LDOm
= 1mA,
V
IN
= 2.9V to 4.2V, V
LDOm
= 2.8V
2.1
7.2
mV
I
LDO2
= 1mA,
V
IN
= 2.9V to 4.2V, V
LDO2
= 1.8V
1.3
4.8
Load Regulation
ΔV
LOAD
V
LDOm
= 3.3V,
I
LDOm
= 1mA to 100mA
25
mV
V
LDO2
= 1.8V,
I
LDO2
= 1mA to 100mA
20
Power Supply Rejection Ratio
PSRR
m
1.5V < V
LDOm
< 3.0V, f < 1kHz, C
BYP
= 22nF,
I
LDOm
= 50mA, with 0.5V
P-P
supply ripple
50
dB
PSRR
2
1.2V < V
LDO2
< 1.8V, f < 1kHz, C
BYP
= 22nF,
I
LDO2
= 50mA, with 0.5V
P-P
supply ripple
60
Output Voltage Noise
e
n-LDOm
10Hz < f < 100kHz, C
BYP
= 22nF,
C
LDOm
= 1μF, I
LDOm
= 50 mA,
1.5V < V
LDOm
< 3.0V
75
μV
RMS
e
n-LDO2
10Hz < f < 100kHz, C
BYP
= 22nF,
C
LDO2
= 1μF, I
LDO2
= 50 mA,
1.2V < V
LDO2
< 1.8V
50
Minimum LDO Capacitor (7)
C
LDO(MIN)
Nominal value for C
LDOn
1μF
Electrical Characteristics (continued)



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26


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