CS5421 데이터 시트보기 (PDF) - ON Semiconductor
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CS5421 Datasheet PDF : 14 Pages
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CS5421
ABSOLUTE MAXIMUM RATINGS (continued)
Pin Symbol
Pin Name
ROSC
GATE(H)1, GATE(H)2
Oscillator Resistor
High−Side FET Driver
for Channel 1 or 2
GATE(L)1, GATE(L)2
Low−Side FET Driver for
Channel 1 or 2
PGND1
Power Ground for Channel 1
PGND2
Power Ground for Channel 2
SGND
LGND
Ground for Internal Reference
Logic Ground
VMAX
4.0 V
16 V
16 V
0V
0V
150 mV
0V
VMIN
−0.3 V
−0.3 V
−0.3 V
0V
0V
0V
0V
ISOURCE
1.0 mA
1.5 A peak
200 mA DC
1.5 A peak
200 mA DC
1.5 A peak
200 mA DC
1.5 A peak
200 mA DC
1.0 mA
50 mA
ISINK
1.0 mA
1.5 A peak
200 mA DC
1.5 A peak
200 mA DC
N/A
N/A
N/A
N/A
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; 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
COMP1,2 Source Current
COMP1,2 Sink Current
Reference Voltage 1
Reference Voltage 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; 25°C < TJ < 125°C
COMP2 = VFB2
VFB1(2) = 0.8 V
VFB1(2) = 1.2 V
−
−
15
15
0.992
0.980
3.0
−
−
0.1
30
30
1.000
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)
Low Voltage (AC)
Measure: VCC − GATE(L)1,2;
VCC − GATE(H)1,2; Note 2
−
0
Measure:GATE(L)1,2 or GATE(H)1,2; Note 2
−
0
Rise Time
Fall Time
GATE(H) to GATE(L) Delay
1.5 V < GATE(L)1,2 < VCC − 1.5 V
1.5 V < GATE(H)1,2 < VCC − 1.5 V
VCC − 1.5 > GATE(L)1,2 > 1.5 V
VCC − 1.5 > GATE(H)1,2 > 1.5 V
GATE(H)1,2 < 1.0 V, GATE(L)1,2 > 1.0 V
−
25
−
20
40
70
GATE(L) to GATE(H) Delay
GATE(L)1,2 < 1.0 V, GATE(H)1,2 > 1.0 V
40
70
GATE(H)1(2) and GATE(L)1(2)
pull−down
Resistance to PGND
Note 2
50
125
2. Guaranteed by design, not 100% tested in production.
Max
1.0
60
60
1.008
1.020
−
0.35
−
−
−
−
−
0.5
0.5
60
60
100
100
280
Unit
μA
μA
μA
V
V
V
V
dB
kHz
dB
mmho
MΩ
V
V
ns
ns
ns
ns
kΩ
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