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SC628AULTRT

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
SC628A
7
Typical Characteristics (continued)
Spotlight E ciency — 25mA
Spotlight E ciency — 100mA
V
OUT
= 2.97V, I
OUT
= 25mA, T
A
= 25°C
% Efficiency
V
IN
(V)
50
60
70
80
90
100
2.7
3
3.3
3.63.9
4.2
V
OUT
= 3.14V, I
OUT
= 100mA, T
A
= 25°C
% Efficiency
V
IN
(V)
50
60
70
80
90
100
2.7
3
3.33.63.94.2
Spotlight E ciency — 275mA
V
OUT
=
3
.
32V
,
I
OUT
=
2
75m
A
,
T
A
=
2
5
°C
% Efficiency
V
IN
(V)
50
60
70
80
90
100
2.7
3
3.3
3.6
3.9
4.2
Flash E ciency — 400mA
V
IN
(V)
V
OUT
=
3
.
41V
,
I
OUT
=
400
m
A
,
T
A
=
2
5
°C
% Efficiency
50
60
70
80
90
100
2.733.33.6
3.94.2
SC628A
8
Spotlight Mode Ripple — 1x Mode
Time (4.0μs/div)
V
IN
(100mVAC/div)
I
OUT
= 275mA, T
A
= 25°C, Spotlight Mode
V
OUT
(100mVAC/div)
I
OUT
(200mADC/div)
0mA—
Spotlight Mode Ripple — 1.5x Mode
Time (4.0μs/div)
V
IN
(100mVAC/div)
I
OUT
= 275mA, T
A
= 25°C, Spotlight Mode
V
OUT
(100mVAC/div)
I
OUT
(200mADC/div)
0mA—
Flash Mode Ripple — 1x Mode
Time (4.0μs/div)
V
IN
(200mVAC/div)
I
OUT
= 1000mA, T
A
= 25°C, Flash Mode
V
OUT
(200mVAC/div)
I
OUT
(500mADC/div)
0mA—
Flash Mode Ripple — 1.5x Mode
Time (4.0μs/div)
V
IN
(200mVAC/div)
I
OUT
= 1000mA, T
A
= 25°C, Flash Mode
V
OUT
(200mVAC/div)
I
OUT
(500mADC/div)
0mA—
Flash Current Pulse
Time (40ms/div)
V
FLEN
(2VDC/div)
V
IN
= 3.7V, I
OUT
= 1000mA, T
A
= 25°C, t
ON
= 100ms
V
OUT
(2VDC/div)
I
OUT
(500mADC/div)
0mA—
Flash Mode Ripple — 2x Mode
Time (4.0μs/div)
V
IN
(200mVAC/div)
I
OUT
= 1000mA, T
A
= 25°C, Flash Mode
V
OUT
(200mVAC/div)
I
OUT
(500mADC/div)
0mA—
0V—
0V—
Typical Characteristics (continued)
SC628A
9
Flash Mode Safety Timer
Time (200ms/div)
V
FLEN
(2VDC/div)
V
IN
= 4.2V, I
OUT
= 1000mA, T
A
= 25°C
V
OUT
(2VDC/div)
I
OUT
(500mADC/div)
0mA—
Output Open Circuit Protection
Time (200ms/div)
V
FLEN
(2VDC/div)
V
IN
= 3.7V, T
A
= 25°C
V
OUT
(2VDC/div)
I
OUT
(500mADC/div)
0mA—
Output Short Circuit Current Limit
Time (200ms/div)
V
FLEN
(2VDC/div)
V
IN
= 3.7V, V
OUT
= 0V, T
A
= 25°C
V
OUT
(2VAC/div)
I
OUT
(500mADC/div)
0mA—
0V—
0V—
0V—
0V—
0V—
0V—
Typical Characteristics (continued)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

SC628AULTRT

Mfr. #:
Buy SC628AULTRT
Manufacturer:
Semtech
Description:
LED Lighting Drivers LED DRIVER IC WITH 1A FLASH
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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