參數(shù)資料
型號(hào)： SC618ULTRT
廠商： Semtech Corporation
英文描述： Charge Pump Flash LED Driver with Safety Timer
中文描述： 充電泵閃光LED驅(qū)動(dòng)器的安全定時(shí)器
文件頁(yè)數(shù)： 3/13頁(yè)
文件大小： 208K
代理商： SC618ULTRT
SC618
3
Exceeding the above specifications may result in permanent damage to the device or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not recommended.
NOTES:
(1) Tested according to JEDEC standard JESD22-A114-B.
(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.
Absolute Maximum Ratings
VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.5
VOUT (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.5
C1+, C2+ (V) . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V
OUT
+ 0.3)
Pin Voltage - All Other Pins (V) . . . . . . -0.3 to (V
IN
+ 0.3)
Circuit Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Protection Level
(1)
(kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Recommended Operating Conditions
Ambient Temperature Range (°C) . . . . . . . . . . . -40 to +85
Thermal Information
Thermal Resistance, Junction to Ambient
(2)
(°C/W) . . . .
49
Junction Temperature Range (°C) . . . . . . . . . . . . -40 to +150
Storage Temperature Range (°C) . . . . . . . . . . . . -60 to +150
Peak IR Reflow Temperature (10s to 30s) (°C) . . . . . . +260
Unless otherwise specified: T
= 25°C for TYP, -40°C to +60°C for MIN and MAX; C
BUCKET
= C
OUT
= 1.0μF (ESR < 0.1Ω); C
IN
= 10.0μF; V
IN
= 3.0V to 5.25V;
V
OUT
= 2.8V to 4.25V; R
SET
= 0.5Ω (0.1%).
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Output Current
I
OUT
FLASH high, R
= 0.357Ω
3.7V < V
IN
< 4.2V, V
OUT
= 3.7V
(1)
FLASH high, R
= 0.5Ω
3.3V < V
IN
< 4.2V
2.8V < V
OUT
< 4.25V
FLASH low, CTRL high, R
= 0.357Ω
3.7V < V
IN
< 4.2V, V
OUT
= 3.4V
(1)
FLASH low, CTRL high, R
SET
= 0.5Ω
3.0V < V
IN
< 4.5V
2.8V < V
OUT
< 4.5V
FLASH high, R
= 0.5Ω
3.3V < V
IN
< 4.2V
2.8V < V
OUT
< 4.25V
FLASH low, CTRL high, R
SET
= 0.5Ω
3.0V < V
IN
< 4.5V
2.8V < V
OUT
< 4.5V
700
mA
460
500
540
280
170
200
230
ISET Reference Voltage
V
ISET
230
250
270
mV
85
100
115
Quiescent Current
I
Q
FLASH high
3.4
5.0
mA
FLASH low, CTRL high
2.0
4.5
mA
FLASH low, CTRL low
0.1
2.0
μA
Electrical Characteristics
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