CS51411(2002) 데이터 시트보기 (PDF) - ON Semiconductor
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CS51411
(Rev.:2002)
(Rev.:2002)
ON Semiconductor
CS51411 Datasheet PDF : 16 Pages
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CS51411, CS51412, CS51413, CS51414
MAXIMUM RATINGS
Pin Name
VIN
BOOST
VSW
VC
SHDNB
SYNC
BIAS
VFB
GND
VMax
40 V
40 V
40 V
7.0 V
7.0 V
7.0 V
7.0 V
7.0 V
7.0 V
VMIN
–0.3 V
–0.3 V
–0.6 V/–1.0 V, t < 50 ns
–0.3 V
–0.3 V
–0.3 V
–0.3 V
–0.3 V
–0.3 V
ISOURCE
N/A
N/A
4.0 A
1.0 mA
1.0 mA
1.0 mA
1.0 mA
1.0 mA
50 mA
ISINK
4.0 A
100 mA
10 mA
1.0 mA
1.0 mA
1.0 mA
50 mA
1.0 mA
1.0 mA
ELECTRICAL CHARACTERISTICS (–40°C < TJ < 125°C (CS51411E/2E/3E/4E); –40°C < TA < 85°C (CS51411E/2E/3E/4E);
0°C < TA < 70°C (CS51411G/2G/3G/4G), 4.5 V< VIN < 40 V; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Oscillator
Operating Frequency
CS51411/CS51412
224
260
296
Operating Frequency
CS51413/CS51414
446
520
594
Frequency Line Regulation
–
–
0.05
0.15
Maximum Duty Cycle
–
85
90
95
VFB Frequency Foldback Threshold
PWM Comparator
–
0.29
0.32
0.36
Slope Compensation Voltage
CS51411/CS51412, Fix VFB, ∆VC/∆TON
CS51413/CS51414
8.0
17
26
25
50
75
Minimum Output Pulse Width
Power Switch
CS51411/CS51412, VFB to VSW
CS51413/CS51414, VFB to VSW
–
150
300
–
–
230
Current Limit
Foldback Current
Saturation Voltage
Current Limit Delay
VFB > 0.36 V
VFB < 0.29 V
IOUT = 1.5 A, VBOOST = VIN + 2.5 V
Note 2
1.6
2.3
3.0
0.9
1.5
2.1
0.4
0.7
1.0
–
120
160
Error Amplifier
Internal Reference Voltage
–
1.244
1.270
1.296
Reference PSRR
Note 2
–
40
–
FB Input Bias Current
–
–
0.02
0.1
Output Source Current
Output Sink Current
Output High Voltage
Output Low Voltage
Unity Gain Bandwidth
VC = 1.270 V, VFB = 1.0 V
VC = 1.270 V, VFB = 2.0 V
VFB = 1.0 V
VFB = 2.0 V
Note 2
15
25
35
15
25
35
1.39
1.46
1.53
5.0
20
60
–
500
–
Open Loop Amplifier Gain
Note 2
–
70
–
Amplifier Transconductance
Note 2
–
6.4
–
2. Guaranteed by design, not 100% tested in production.
Unit
kHz
kHz
%/V
%
V
mV/µs
mV/µs
ns
ns
A
A
V
ns
V
dB
µA
µA
µA
V
mV
kHz
dB
mA/V
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