NCV3020ADR2G ON Semiconductor, NCV3020ADR2G Datasheet - Page 8

• Manufacturer Part Number: NCV3020ADR2G
• Description: IC PWM CTLR SYNC 8SOIC
• Manufacturer: ON Semiconductor
• Series: -r

Specifications of NCV3020ADR2G

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 360kHz
• Duty Cycle: 84%
• 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

1000
13.8
13.6
13.4
13.2
950
900
850
800
750
700
650
600
550
500
450
400
Figure 15. Ramp Valley Voltage vs. Input Voltage
14
13
−40
−40
Figure 17. Current Limit Set Current vs.
−25 −10
−25 −10
Input = 12 V, Output = 3.3 V, Load = 5 A
C1 (Yellow) = V
C2 (Red) = HSDR, C3 (Blue) = LSDR
Figure 19. Shutdown Waveforms
and Temperature
5
5
Temperature
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
V
IN
V
CC
, C4 (Green) = V
CC
V
CC
35
= 12 V, 28 V
35
= 5 − 28 V
= 5 V
TYPICAL PERFORMANCE CHARACTERISTICS
50
50
65
65
OUT
80
80
95
95
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110
110
125
125
8
8.0
7.5
7.0
6.5
6.0
5.5
5.0
−40
Figure 16. Soft−Start Time vs. Input Voltage and
−25 −10
NCP3020A
Figure 20. Startup into a Current Limit
Input = 12 V
C1 (Yellow) = FB, C3 (Blue) = LSDR
C2 (Red) = HSDR, C4 (Green) = V
Input = 12 V, Output = 3.3 V, Load = 5 A
C1 (Yellow) = V
C2 (Red) = HSDR, C3 (Blue) = LSDR
Figure 18. Soft−Start Waveforms
5
TEMPERATURE (°C)
V
V
20
CC
CC
V
V
Temperature
= 12 V, 28 V
= 12 V, 28 V
CC
CC
35
IN
= 5 V
= 5 V
, C4 (Green) = V
50
65
80
NCP3020B
IN
OUT
95
110
125
7.0
6.5
6.0
5.5
5.0
4.5
4.0