SC4624MLTRT View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC4624MLTRT
Semtech Corporation
'SC4624MLTRT' PDF : 20 Pages View PDF
SC4624
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless otherwise specified, VIN= VCC=SYNC/EN=3.3V, ROSC=51.1KΩ, RISET=27.4KΩ, TJ = -40°C to 125°C.
Parameter
Symbol
Conditions
Power Supply (Cont.)
Supply Current, Operating
Thermal Shutdown
IQswitching
IQL
FB = COMP, No Load
FB = 0.6V, No Load
Thermal Shutdown Trip Point
Thermal Shutdown Hysteresis
Synchronization, Enable Input
TOTP
TOTP_HYS
Temperature Rising
SYNC/EN Threshold
Frequency Range, SYNC
Oscillator
VENL
VENH
FSYNC
Logic Low
Logic High
20% Higher than FOSC
Osciilator Frequency Range
Osciilator Frequency Accuracy
Ramp Peak to Valley(1)
Ramp Peak Voltage(1)
Ramp Valley Voltage(1)
Soft Start, Current Limit
FOSC
VPV
VP
VV
ROSC= 51.1KΩ
ROSC=51.1KΩ, TA=TJ=25°C
Soft-Start Charge Current
ISET Bias Voltage
Over Current Trip
Output UVLO
Hiccup period(1)
Error Amplifier
ISS
VISET
IIST
VOUV
TOCHP
RISET = 27.4KΩ
RISIT = 57.6KΩ
VFB drop
Error Amplifier Open Loop
Voltage Gain (1)
Error Amplifier Unity Gain Bandwidth(1)
Output Voltage Slew Rate, COMP(1)
2008 Semtech Corp.
Min
Typ
Max Units
7
10
mA
3.5
7
mA
160
°C
10
°C
0.8
V
2.0
V
200
2000 kHz
200
2000 kHz
415
500
600 kHz
435
500
565 kHz
1.0
V
1.25
V
0.25
V
4
µA
0.45
0.55
0.62
V
1.9
2.55
3.1
A
0.3
V
131072
clks
100
dB
10
MHz
4
V/µs
www.semtech.com
Share Link: 