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NCP1508 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 5 Page - ON Semiconductor

๋ถ€ํ’ˆ๋ช… NCP1508
์ƒ์„ธ๋‚ด์šฉ  Up to 500 mA, 1 MHz, High Efficiency Synchronous Step−Down DC−DC Converter in DFN Package
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์ œ์กฐ์‚ฌ  ONSEMI [ON Semiconductor]
ํ™ˆํŽ˜์ด์ง€  http://www.onsemi.com
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NCP1508 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 5 Page - ON Semiconductor

 
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ELECTRICAL CHARACTERISTICS (continued) (Vin = 3.6 V, Vo = 1.5 V, TA = 25ยฐC, Fsyn = 600 kHz 50% Duty Cycle square wave
for PWM mode; TA = โ€“30 to 85ยฐC for Min/Max values, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
SYNC PWM Mode Characteristics (continued)
Feedback Voltage Accuracy, Vout Set = 1.0 V CB0 = L, CB1 = L, Iout = 300 mA
Vout
0.950
1.000
1.050
V
Feedback Voltage Accuracy, Vout Set = 1.3 V CB0 = L, CB1 = H, Iout = 300 mA
Vout
1.261
1.300
1.339
V
Feedback Voltage Accuracy, Vout Set = 1.5 V, CB0 = H, CB1 = H, Iout = 300 mA
Vout
1.450
1.500
1.550
V
Feedback Voltage Accuracy, Vout Set = 1.89 V, CB0 = H, CB1 = L, Iout = 300 mA
Vout
1.833
1.890
1.947
V
Line Regulation, Vin = 2.7 Vโˆ’3.6 V, Iout = 100 mA
โˆ’
โˆ’15
โˆ’
+15
mV
Line Regulation, Vin = 3.6 Vโˆ’5.2 V, Iout = 100 mA
โˆ’
โˆ’15
โˆ’
+15
mV
Load Regulation, Iout = 100 mAโˆ’300 mA
โˆ’
โˆ’15
โˆ’
+15
mV
Load Transient Response, 10 to 100 mA Load Step
Vout
โˆ’
50
โˆ’
mV
Line Transient Response, Iout = 100 mA, 3.0 to 3.6 Vin Line Step
Vout
โˆ’
"5.0
โˆ’
mVpp
PWM Mode with Internal Oscillator Characteristics
Switching Pโˆ’FET Current Limit
Ilim
โˆ’
800
โˆ’
mA
Duty Cycle (Note 2)
DC
โˆ’
โˆ’
100
%
Minimum On Time
Ton(min)
โˆ’
75
โˆ’
nsec
Internal Oscillator Frequency โˆ’ TA = 25ยฐC
โ€“30ยฐC โ‰ค TA โ‰ค 85ยฐC
Fosc
760
700
980
980
1240
1240
kHz
RDS(on) Switching Pโˆ’FET and N_FET
RDS(on)
โˆ’
0.23
โˆ’
W
Switching Pโˆ’FET and Nโˆ’FET Leakage Current
Ileak
โˆ’
0
10
mA
Output Overvoltage Threshold
Vo
โˆ’
5.0
โˆ’
%
Feedback Voltage Accuracy, Vout Set = 1.0 V, CB0 = L, CB1 = L,
Iout = 300 mA
Vout
0.950
1.000
1.050
V
Feedback Voltage Accuracy, Vout Set = 1.3 V, CB0 = L, CB1 = H,
Iout = 300 mA
Vout
1.261
1.300
1.339
V
Feedback Voltage Accuracy, Vout Set = 1.5 V, CB0 = H, CB1 = H,
Iout = 300 mA
Vout
1.450
1.500
1.550
V
Feedback Voltage Accuracy, Vout Set = 1.89 V, CB0 = H CB1 = L,
Iout = 300 mA
Vout
1.833
1.890
1.947
V
Line Regulation, Vin = 2.7 Vโˆ’3.6 V, Iout = 100 mA
โˆ’
โˆ’15
โˆ’
+15
mV
Line Regulation, Vin = 3.6 Vโˆ’5.2 V, Iout = 100 mA
โˆ’
โˆ’15
โˆ’
+15
mV
Load Regulation, Iout = 100 mAโˆ’300 mA
โˆ’
โˆ’15
โˆ’
+15
mV
Load Transient Response, 10 to 100 mA Load Step
Vout
โˆ’
50
โˆ’
mV
Line Transient Response, Iout = 100 mA, 3.0 to 3.6 Vin Line Step
Vout
โˆ’
"5.0
โˆ’
mVpp
Pulsed Mode Characteristics
Peak Current Limit
Ilim
โˆ’
200
โˆ’
mA
Output Current
Iout
0.05
โˆ’
30
mA
Output Ripple Voltage, Iout = 100 mA
Vout
โˆ’
22
100
mV
Feedback Voltage Accuracy, Vout Set = 1.0 V, CB0 = L, CB1 = L
Vout
0.950
1.000
1.050
V
Feedback Voltage Accuracy, Vout Set = 1.3 V, CB0 = L, CB1 = H
Vout
1.261
1.300
1.339
V
Feedback Voltage Accuracy, Vout Set = 1.5 V, CB0 = H, CB1 = H
Vout
1.450
1.500
1.550
V
Feedback Voltage Accuracy, Vout Set = 1.89 V, CB0 = H, CB1 = L
Vout
1.833
1.890
1.947
V
2. Maximum value is guaranteed by design.


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