CS5106LSW24 Просмотр технического описания (PDF) - Cherry semiconductor
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CS5106LSW24 Datasheet PDF : 12 Pages
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Electrical Characteristics: TJ = -40¡C to 125¡C, VSS = 9 to 16V, V5REF ILOAD = 2mA, SYNCOUT Free Running, unless other-
wise specified. For All Specs: UVSD=6V, OVSD = 0V, ENABLE = 0V, ILIM(1,2) = 0,VFB(1,2) = 3V,RFADJ = RDLYSET = 27.4k½.
PARAMETER
s Current Limit Circuits
ILIM1 Current Limit Threshold
Voltage
ILIM1 Short Circuit Threshold
Voltage
ILIM1 Input Bias Current
ILIM2 Current Limit
Threshold V
ILIM2 Short Circuit
Threshold Voltage
ILIM2 Input Bias Current
s Voltage Feedback Control
RAMP1 Offset Voltage
RAMP1 Input Bias Current
RAMP2 Offset Voltage
RAMP2 Input Bias Current
VFB1 Input Impedance
VFB2 Input Impedance
s Gate1,2,2B Output Voltages
GATE1 Low State
GATE2 Low State
GATE2B Low State
GATE2B High State
GATE2 High State
GATE1 High State
TEST CONDITIONS
Adjust ILIM1 from 1.0V - 1.3V until
GATE1 goes low.
Adjust ILIM1 from 1.30V - 1.50V until
GATE1 skips 2-cycles with reference
to SYNCOUT.
Set ILIM1=0V. Measure current
out of ILIM1 lead.
Adjust ILIM2 from 1.0V - 1.3V until
GATE2 goes low.
Adjust ILIM2 from 1.30V - 1.50V until
GATE2 skips 2-cycles with reference
to SYNCOUT.
Set ILIM 2= 0V. Measure current out
of ILIM2 lead.
MIN
1.16
1.35
1.16
1.35
VFB1=0V. Adjust RAMP1 from 0V - 0.3V 0.08
until GATE1 goes low. Measure VRAMP1.
Set RAMP1 = 0V. Measure Current
out of RAMP1 lead.
VFB2 = 0V. Adjust RAMP2 from
0.08
0V-3V until GATE2 goes low.
Measure VRAMP2.
Set RAMP2 = 0V. Measure Current
out of RAMP2 lead.
Measure input impedance.
60.0
Measure Input impedance.
60.0
VSS = 12V. VCC = VSS - VDON
PROGRAM = 0V. Measure GATE1
voltage when sinking 1mA.
PROGRAM = 0V. Measure GATE2
voltage when sinking 1mA.
PROGRAM = 0V. Measure GATE2B
voltage when sinking 1mA.
Measure VCC - GATE2B voltage
when sourcing 1mA.
Measure VCC - GATE2 voltage
when sourcing 1mA.
Measure VCC - GATE1 voltage
when sourcing 1mA.
TYP
1.24
1.44
0.50
1.24
1.44
0.50
0.13
0.50
0.13
0.50
120.0
120.0
0.15
0.18
0.18
1.65
1.65
1.65
MAX
UNIT
1.30
V
1.51
V
5.00
µA
1.30
V
1.51
V
5.00
µA
0.20
V
5.00
µA
0.20
V
5.00
µA
220.0
k½
220.0
k½
0.80
V
0.80
V
0.80
V
2.00
V
2.00
V
2.00
V
s Propagation Delays
ILIM1 Delay to Output GATE1
Measure delay from ILIM1 going
high to GATE1 going low.
ILIM2 Delay to Output GATE2
Measure delay from ILIM2 going
high to GATE2 going low.
RAMP1 Delay to Output GATE1 Measure delay from RAMP1 going
high to GATE1 going low.
RAMP2 Delay to Output GATE2 Measure delay from RAMP2 going
high to GATE2 going low.
80.0
120.0
ns
80.0
100.0
ns
80.0
115.0
ns
80.0
100.0
ns
5
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