SC604A, SC604AIML, SC604AIMLTR Selling Leads, Datasheet
MFG:SC Package Cooled:06+ D/C:08+
SC604A, SC604AIML, SC604AIMLTR Datasheet download
Part Number: SC604A
MFG: SC
Package Cooled: 06+
D/C: 08+
SC604A, SC604AIML, SC604AIMLTR
- Table of contents:
Info of SC604A
Info of SC604AIML
Info of SC604AIMLTR
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About SC604A
PDF/DataSheet Download
Datasheet: SC604A
File Size: 384481 KB
Manufacturer: Semtech Corporation
Download : Click here to Download
About SC604AIMLTR
PDF/DataSheet Download
Datasheet: SC604AIMLTR
File Size: 384481 KB
Manufacturer: Semtech Corporation
Download : Click here to Download
About SC604AIMLTR
PDF/DataSheet Download
Datasheet: SC604AIMLTR
File Size: 384481 KB
Manufacturer: Semtech Corporation
Download : Click here to Download
SC604A General Description
The SC604A is a very high efficiency charge pump white LED driver driver from the mAhXLifeTM family of products, optimized for Li-Ion battery applications.
The four (4) LED outputs are current matched for consistent LED brightness. Extremely low battery current is achieved by automatically reconfiguring the charge pump to match circuit conditions. Using four LEDs, each at 20mA for a total IOUT= 80mA, the SC604A can use less than 83mA from the supply for most of the battery life. Patented low noise mode switching circuitry and constant output current allow the use of extremely small input and output capacitors.
SC604A Maximum Ratings
| Parameter |
Symbol |
Maximum |
Units |
| Supply Voltage |
VIN |
-0.3 to +7.0 |
V |
| Output Voltage |
VOUT |
-0.3 to +7.0 |
V |
| VOUT Short Circuit Duration |
SC |
Indefinite |
|
| Thermal Resistance, Junction to Ambient (1) |
JA |
40 |
°C/W |
| Operating Ambient |
TA |
-40 to +85 |
°C |
| Junction Temperature Range |
TJC |
-40 to +150 |
°C |
| Storage Temperature Range |
TSTG |
-65 to +150 |
°C |
| IR Reflow Temperature SC604AIMLTR |
TLEAD |
240 |
°C |
| IR Reflow Temperature SC604AIMLTRT |
TLEAD |
260 |
°C |
SC604A Features
Very high efficiency over 90% of battery life
Peak efficiency over 92%
Current regulation for up to 4 LEDs
Digital 3 bit output control logic
Current matching tolerance of ±3% typical
Wide current range per LED [0.5mA - 30mA]
High available total LED current = 4`ILED = 120mA
Low Shutdown Current: 1A typical
Soft start / In-rush current limiting
Short circuit protection
MLP-16 [4x4] Package
Fixed frequency 250kHz
1x, 1.5x and 2x charge pump modes of operation
Peak efficiency over 92%
Current regulation for up to 4 LEDs
Digital 3 bit output control logic
Current matching tolerance of ±3% typical
Wide current range per LED [0.5mA - 30mA]
High available total LED current = 4`ILED = 120mA
Low Shutdown Current: 1A typical
Soft start / In-rush current limiting
Short circuit protection
MLP-16 [4x4] Package
Fixed frequency 250kHz
1x, 1.5x and 2x charge pump modes of operation
SC604A Typical Application
Cellular phones
LED backlighting
PDA power supplies
Portable devices
Electronic books
Wireless web appliances
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LED backlighting
PDA power supplies
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Electronic books
Wireless web appliances
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