Expand menu
Hello, Sign in
My Account
0
Cart
Home
Products
Sensors
Semiconductors
Passive Components
Connectors
Power
Electromechanical
Optoelectronics
Circuit Protection
Integrated Circuits - ICs
Main Products
Manufacturers
Blog
Services
About OMO
About Us
Contact Us
Check Stock
SC621ULTRT
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P23
SC621
7
T
ypical Characteristics (continued)
Flash C
urrent — 400mA
310
340
370
400
430
460
490
3.0
3.2
3.4
3.6
3.8
4.0
4.2
V
IN
(V)
Flash Current (mA)
V
OUT
=3.39V at 25°C
Spotlight Curr
ent — 50mA
47
48
49
50
51
52
53
3.0
3.2
3.4
3.6
3.8
4.0
4.2
V
IN
(V)
Spotlight Current (mA)
V
OUT
=3.02V at 25°C
Flash C
urrent — 300mA
210
240
270
300
330
360
390
3.0
3.2
3.4
3.6
3.8
4.0
4.2
V
IN
(V)
Flash Current (mA)
V
OUT
=3.58V at 25
°C
Spotlight Curr
ent — 250mA
160
190
220
250
280
310
340
3.0
3.2
3.4
3.6
3.8
4.0
4.2
V
IN
(V)
Spotlight Current (mA)
V
OUT
=3.50V at 25°C
PSRR vs
. Frequency (LDO2)
-70
-60
-50
-40
-30
-20
-10
0
10
100
1000
10000
Frequency (Hz)
PSRR (dB)
V
IN
=3.7V at 25°C, I
LDO2
=50mA, V
LDO2
=1.8V
PSRR vs
. Frequency (LDO1)
-70
-60
-50
-40
-30
-20
-10
0
10
100
1000
10000
Frequency (Hz)
PSRR (dB)
V
IN
=3.7V at 25°C, I
LDO1
=50mA, V
LDO1
=2.8V
SC621
8
T
ypical Characteristics (continued)
Load Regulation (LDO1)
-24
-16
-8
0
8
16
24
03
0
6
0
9
0
120
150
I
LDO1
(mA)
Output Voltage Variation (mV)
V
LDO1
=3.3V, V
IN
=3.7V, 25°C
Noise vs Load C
urrent (LDO1)
50
60
70
80
90
100
0
20
40
60
80
100
I
LDO1
(mA)
Noise (
μ
V)
V
LDO1
=2.8V, V
IN
=3.7V, 25°C
Load Regulation (LDO2)
-24
-16
-8
0
8
16
24
0
30
60
90
120
150
I
LDO2
(mA)
Output Voltage Variation (mV)
V
LDO2
=1.8V, V
IN
=3.7V, 25°C
Noise vs Load C
urrent (LDO2)
0
20
40
60
80
100
0
20
40
60
80
100
I
LDO2
(mA)
Noise (
μ
V)
V
LDO2
=1.8V, V
IN
=3.7V, 25°C
Line Regulation (LDO1)
-3
-2
-1
0
1
2
3.0
3.2
3.4
3.6
3.8
4.0
4.2
V
IN
(V)
Output Voltage Variation (mV)
V
LDO1
=2.8V, I
LDO1
=1mA, 25°C
Line Regulation (LDO2)
-3
-2
-1
0
1
2
3.0
3.2
3.4
3.6
3.8
4.0
4.2
V
IN
(V)
Output Voltage Variation (mV)
V
LDO2
=1.8V, I
LDO2
=1mA, 25°C
SC621
9
T
ypical Characteristics (continued)
Load
T
ransient Response (LDO2) — F
alling Edge
Time (200
μ
s/div)
V
LDO2
(50mV/div)
I
LDO2
(100mA/div)
V
IN
=3.7V
, V
LDO2
=1.8V
, I
LDO2
=100 to 1mA
Load
T
ransient Response (LDO1) — Rising Edge
Time (20
μ
s/div)
V
LDO1
(50mV/div)
I
LDO1
(100mA/div)
V
IN
=3.7V
, V
LDO1
=2.8V
, I
LDO1
=1 to 100mA
Time (200
μ
s/div)
Load
T
ransient Response (LDO1) — F
alling Edge
V
IN
=3.7V
, V
LDO1
=2.8V
, I
LDO1
=100 to 1mA
V
LDO1
(50mV/div)
I
LDO1
(100mA/div)
Time (20
μ
s/div)
Load
T
ransient Response (LDO2) — Rising Edge
V
IN
=3.7V
, V
LDO2
=1.8V
, I
LDO2
=1 to 100mA
V
LDO2
(50mV/div)
I
LDO2
(100mA/div)
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P23
SC621ULTRT
Mfr. #:
Buy SC621ULTRT
Manufacturer:
Semtech
Description:
LED Lighting Drivers CONSULT FCTRY FOR AVAILABILITY
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
Paypal
Visa
MoneyGram
Western
Union
Products related to this Datasheet
SC621ULTRT
