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SC662 Datasheet(PDF) 4 Page - Semtech Corporation

Part # SC662
Description  Backlight Driver for 6 LEDs with SemPulse짰 Interface
PDF  30 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC662 Datasheet(HTML) 4 Page - Semtech Corporation

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SC662
4
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Charge Pump Electrical Specifications (continued)
Mode Transition (Falling) Input
Voltage — 1.5x Mode to 2x Mode
V
TRANS1.5x
I
OUT = 72mA, IBLn = 12mA, VOUT = 4.2V
(4)
, f
PUMP = 250kHz
3.14
V
Current Sink Off-State
Leakage Current
I
BLn(off)
V
IN = VBLn = 4.2V
0.1
1
µA
Charge Pump Frequency
f
PUMP
Bit FSEL = 0
250
kHz
Bit FSEL = 1
1
MHz
Fault Protection Specifications
Output Short Circuit
Current Limit
I
OUT(SC)
OUT pin shorted to GND
125
mA
V
OUT > 2.5V
300
Under Voltage Lockout
V
UVLO-OFF
Increasing V
IN
2.3
V
V
UVLO-HYS
Hysteresis
75
mV
Over-Voltage Protection
V
OVP
OUT pin open circuit, V
OUT = VOVP, rising threshold
5.7
6.0
V
Over-Temperature Threshold
T
OT
Rising temperature
165
°C
T
OT-HYS
Hysteresis
20
°C
Electrical Characteristics (continued)



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