NCP1587DR2G ON Semiconductor, NCP1587DR2G Datasheet - Page 15

• Manufacturer Part Number: NCP1587DR2G
• Description: IC CTLR SYNC BUCK LV 8-SOIC
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of NCP1587DR2G

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 1A
• Frequency - Switching: 275kHz
• Voltage - Input: 4.5 ~ 13.2 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Topology: Boost, Buck
• Output Voltage: 0.8 V to 5 V
• Output Current: 8 mA
• Switching Frequency: 300 KHz
• Duty Cycle (max): 80 %
• Operating Supply Voltage: 15 V
• Supply Current: 8 mA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Synchronous Pin: No
• Number Of Pwm Outputs: 2
• On/off Pin: Yes
• Adjustable Output: Yes
• Switching Freq: 300KHz
• Duty Cycle: 80%
• Operating Supply Voltage (max): 13.2V
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

NCP1587, NCP1587A
Figure 16. Gate Waveforms 20 A Load Sustaining
Figure 17. Over Current Protection (12.4 A DC Trip)
Figure 18. Start-up Sequence
Figure 19. Transient Response 0-10 A Load Step
NCP1587 Efficiency
90
88
86
84
82
80
78
76
74
72
70
68
66
64
62
60
0
2
4
6
8
10
12
14
16
Load Current (A)
Figure 20. Efficiency vs. Load Current
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