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CS5422 View Datasheet(PDF) - ON Semiconductor

Part Name
Description
MFG CO.
'CS5422' PDF : 17 Pages View PDF
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CS5422
ELECTRICAL CHARACTERISTICS (0°C < TA < 70°C; 0°C < TJ < 125°C; ROSC = 30.9 k, CCOMP1,2 = 0.1 μF,
10.8 V < VCC < 13.2 V; 10.8 V < BST < 20 V, CGATE(H)1,2 = CGATE(L)1,2 = 1.0 nF, unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Error Amplifier
VFB1(2) Bias Current
VFB1(2) Input Range
COMP1,2 Source Current
COMP1,2 Sink Current
Reference Voltage 1(2)
COMP1,2 Max Voltage
COMP1,2 Min Voltage
Open Loop Gain
VFB1(2) = 0 V
COMP1,2 = 1.2 V to 2.5 V; VFB1(2) = 0.8 V
COMP1,2 = 1.2 V; VFB1(2) = 1.2 V
COMP1 = VFB1; COMP2 = VFB2
VFB1(2) = 0.8 V
VFB1(2) = 1.2 V
0
15
15
0.980
3.0
0.5
30
30
1.000
3.3
0.25
95
Unity Gain Band Width
40
PSRR @ 1.0 kHz
70
Transconductance
32
Output Impedance
2.5
GATE(H) and GATE(L)
High Voltage (AC)
Measure: VCC GATE(L)1,2;
BST GATE(H)1,2; Note 2
0
Low Voltage (AC)
Measure:GATE(L)1,2 or GATE(H)1,2; Note 2
0
Rise Time
1.0 V < GATE(L)1,2 < VCC 1.0 V
1.0 V < GATE(H)1,2 < BST 1.0 V,
BST 14 V
20
Fall Time
VCC 1.0 > GATE(L)1,2 > 1.0 V
BST 1.0 > GATE(H)1,2 > 1.0 V,
BST 14 V
15
GATE(H) to GATE(L) Delay
GATE(H)1,2 < 2.0 V, GATE(L)1,2 > 2.0 V
BST 14 V
20
40
GATE(L) to GATE(H) Delay
GATE(L)1,2 < 2.0 V, GATE(H)1,2 > 2.0 V;
BST 14 V
20
40
GATE(H)1(2) and GATE(L)1(2)
pulldown.
Resistance to GND
Note 2
50
125
PWM Comparator
Transient Response
PWM Comparator Offset
COMP1,2 = 1.0 V, VFB1(2) = 0 to 1.2 V
VFFB1(2) = 0 V; Increase COMP1,2 until
GATE(H)1,2 starts switching
150
0.30
0.45
Artificial Ramp
Duty cycle = 50%, Note 2
40
70
Minimum Pulse Width
Note 2
Oscillator
Switching Frequency
Switching Frequency
Switching Frequency
ROSC Voltage
Phase Difference
ROSC = 61.9 k; Measure GATE(H)1; Note 2
ROSC = 30.9 k; Measure GATE(H)1
ROSC = 15.1 k; Measure GATE(H)1; Note 2
ROSC = 30.9 k, Note 2
112
224
450
0.970
150
300
600
1.000
180
2. Guaranteed by design, not 100% tested in production.
Max
1.6
1.1
60
60
1.020
0.35
0.5
0.5
50
50
70
70
280
300
0.60
100
300
188
376
750
1.030
Unit
μA
V
μA
μA
V
V
V
dB
kHz
dB
mmho
MΩ
V
V
ns
ns
ns
ns
kΩ
ns
V
mV
ns
kHz
kHz
kHz
V
°
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