NCV3020BDR2G ON Semiconductor, NCV3020BDR2G Datasheet - Page 4

• Manufacturer Part Number: NCV3020BDR2G
• Description: IC PWM CTLR SYNC 8SOIC
• Manufacturer: ON Semiconductor
• Series: -r

Specifications of NCV3020BDR2G

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 670kHz
• Duty Cycle: 80%
• Voltage - Supply: 4.7 V ~ 28 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (
SUPPLY CURRENT
UNDER VOLTAGE LOCKOUT
OSCILLATOR
PWM
ERROR AMPLIFIER (GM)
OUTPUT VOLTAGE FAULTS
OVERCURRENT
4. Guaranteed by design.
5. The voltage sensed across the high side MOSFET during conduction.
6. This assumes 100 pF capacitance to ground on the COMP Pin and a typical internal R
7. This is not a protection feature.
Input Voltage Range
V
V
UVLO Rising Threshold
UVLO Falling Threshold
Oscillator Frequency
Oscillator Frequency
Ramp−Amplitude Voltage
Ramp Valley Voltage
Minimum Duty Cycle
Maximum Duty Cycle
Soft Start Ramp Time
Transconductance
Open Loop dc Gain
Output Source Current
Output Sink Current
FB Input Bias Current
Feedback Voltage
COMP High Voltage
COMP Low Voltage
Feedback OOV Threshold
Feedback OUV Threshold
ISET Source Current
Current Limit Set Voltage (Note 5)
CC
CC
Supply Current
Supply Current
Characteristic
NCP3020B
NCP3020B
NCP3020A
NCP3020B
NCP3020A
NCP3020B
NCP3020A
NCP3020A
4.7 V < V
T
T
−40°C < T
J
J
= −40°C to +125°C, 4.7 V v V
= −40°C to +125°C, 4.7 V v V
V
V
V
V
FB
FB
T
T
FB
FB
J
J
CC
= 0.55 V, Switching, V
= 0.55 V, Switching, V
= +25°C, 4.7 V v V
= +25°C, 4.7 V v V
= 0.55 V, Switching, V
= 0.55 V, Switching, V
< V
V
J
< +125°C, V
peak
V
V
R
(Notes 4 and 6)
IN
CC
V
V
CC
V
V
V
SET
Conditions
http://onsemi.com
FB
FB
FB
< 28 V, −40°C < T
TJ = 25 C
FB
FB
− V
(Note 4)
Falling Edge
Rising Edge
= 545 mV
= 655 mV
= V
= 22.5 kW
= 0.55 V
= 0.65 V
alley
−
COMP
CC
(Note 4)
4
= 12 V, for min/max values unless otherwise noted)
CC
CC
CC
CC
CC
CC
v 28 V
v 28 V
= 4.7 V
= 4.7 V
CC
CC
= 28 V
= 28 V
J
< +125°C
v 28 V
v 28 V
o
of > 10 MW.
0.591
0.588
0.46
0.66
0.42
Min
250
240
550
530
140
4.7
4.0
3.5
0.9
4.0
7.0
80
75
45
45
−
−
−
−
−
−
−
−
−
−
−
0.70
0.75
0.45
Typ
300
300
600
600
240
5.5
7.0
5.9
7.8
4.3
3.9
1.5
7.0
6.8
4.4
1.4
0.5
0.6
0.6
4.4
84
80
70
75
75
72
13
0.609
0.612
Max
0.88
0.84
0.48
350
360
650
670
100
100
500
250
360
8.0
4.7
4.3
1.9
5.0
28
10
13
18
11
−
−
−
−
−
−
−
Unit
kHz
kHz
kHz
kHz
mA
mA
mA
mA
mS
mV
mV
ms
dB
mA
mA
nA
mA
%
%
V
V
V
V
V
V
V
V
V
V