SC4806MLTRT Просмотр технического описания (PDF) - Semtech Corporation
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SC4806MLTRT Datasheet PDF : 22 Pages
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POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: VCC = 12V; CL = 100pF; TA = -40°C to 105°C
Parameter
Test Conditions
Line Under Voltage Lockout
Start Threshold
Rhigh = 14kΩ, Rlow = 10kΩ
Hysteresis
Rhigh = 14kΩ, Rlow = 10kΩ
Soft Start
Internal Soft Start Charge
Current (ISS)
Internal Discharge Current
Oscillator
Oscillator Frequency
Oscillator Ramp
VSS = 1.5V
VSS = 1.5V
Rosc = 10kΩ, Cosc = 200pF
Oscillator Fall Time
RC pin to GND Capacitance
Oscillator Frequency Range
Sync/CLOCK
Clock SYNC Threshold
Sync Frequency Range
Bandgap
ReferenceVoltage
Reference Load Regulation
Reference Line Regulation
Output
OUT Low Level
OUT High Level
Rise Time
Fall Time
Minimal Dead Time
Thermal Shutdown
Thermal Shutdown
Threshold TSD
Thermal Shutdown
Hysteresis
2006 Semtech Corp.
Guaranteed by characterization
Guaranteed by characterization
Guaranteed by characterization
IREF = 0 - 5mA
VCC = 8.5V to 15V
VCC = 12V
Load 1nF
Load 1nF
3
SC4806
Min
Typ
Max
Unit
-3%
VREF
+3%
V
5.5% of
VREF
mV
25
35
10
45
µA
µA
450
500
550
KHz
VREF/2
V
+0.25
200
250
ns
22
pF
50
1000
KHz
4.75
1.75
FOSC *1.3
V
KHz
5.0
5.25
V
10
mV/mA
0.3
mV/V
0.5
0.7
V
10.85
11.20
V
35
ns
35
ns
200
250
ns
175
°C
15
°C
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