VLCF4020-6R8 ONSEMI [ON Semiconductor], VLCF4020-6R8 Datasheet - Page 5
VLCF4020-6R8
Manufacturer Part Number
VLCF4020-6R8
Description
Up to 500 mA, High Efficiency Synchronous Step-Down DC-DC Converter
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
1.VLCF4020-6R8.pdf
(16 pages)
ELECTRICAL CHARACTERISTICS (continued)
for PWM mode; T
Sync PWM Mode Characteristics (continued)
PWM Mode with Internal Oscillator Characteristics
Pulsed Mode Characteristics
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
Load Transient Response
Line Transient Response, I
Switching P−FET Current Limit
Minimum On Time
Internal Oscillator Frequency
Rdson Switching P−FET and N_FET
Switching P−FET and N−FET Leakage Current
Output Overvoltage Threshold
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
Load Transient Response
Line Transient Response, I
On Time
Output Ripple Voltage, I
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
Feedback Voltage Accuracy, V
10 to 100 mA Load Step
3.0 to 3.6 Vin Line Step
10 to 100 mA Load Step
3.0 to 3.6 Vin Line Step
A
= –30 to 85 C for Min/Max values, unless otherwise noted.
out
out
out
= 100 mA
Characteristic
= 100 mA
= 100 mA
out
out
out
out
out
out
out
out
out
out
out
out
Set = 1.0 V CB0 = L, CB1 = L
Set = 1.3 V CB0 = L, CB1 = H
Set = 1.5 V CB0 = H, CB1 = H
Set = 1.89 V CB0 = H CB1 = L
Set = 1.0 V CB0 = L, CB1 = L
Set = 1.3 V CB0 = L, CB1 = H
Set = 1.5 V CB0 = H, CB1 = H
Set = 1.89 V CB0 = H CB1 = L
Set = 1.0 V CB0 = L, CB1 = L
Set = 1.3 V CB0 = L, CB1 = H
Set = 1.5 V CB0 = H, CB1 = H
Set = 1.89 V CB0 = H CB1 = L
(V
http://onsemi.com
in
= 3.6 V, Vo = 1.5 V, T
NCP1511
5
Symbol
Ton min
Rdson
Fosc
A
Ileak
V
V
V
V
V
V
I lim
V
V
V
V
V
V
V
V
V
V
V
Ton
Vo
out
out
out
out
out
out
out
out
out
out
out
out
out
out
out
out
out
= 25 C, Fsyn = 600 kHz 50% Duty Cycle square wave
0.950
1.261
1.450
1.833
0.950
1.261
1.450
1.833
0.930
1.241
1.430
1.813
Min
700
−
−
−
−
−
−
−
−
−
−
−
1.000
1.300
1.500
1.890
1.000
1.300
1.500
1.890
1.000
1.300
1.500
1.890
"10
"10
0.23
Typ
800
900
660
5.0
35
75
35
22
0
1.050
1.339
1.550
1.947
1.050
1.339
1.550
1.947
1.070
1.359
1.570
1.967
1200
Max
1.0
−
−
−
−
−
−
−
−
−
−
mVpp
mVpp
nsec
nsec
Unit
kHz
mV
mA
mV
mV
mA
W
%
V
V
V
V
V
V
V
V
V
V
V
V