NCP1579DR2G ON Semiconductor, NCP1579DR2G Datasheet - Page 5

• Manufacturer Part Number: NCP1579DR2G
• Description: IC CTLR SYNC BUCK LV 8-SOIC
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of NCP1579DR2G

• 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: Buck
• Output Current: 1000 mA
• Switching Frequency: 317 KHz
• Duty Cycle (max): 80 %
• Operating Supply Voltage: 5 V, 12 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Synchronous Pin: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

5.0
4.7
4.4
4.1
3.8
3.5
14
13
12
10
11
9
8
0
0
Figure 5. Soft Start Sourcing Current vs.
10
10
T
T
Figure 3. I
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
20
20
TYPICAL CHARACTERISTICS
Temperature
CC
30
30
vs. Temperature
808
806
804
802
800
798
796
794
792
40
40
0
Figure 7. Reference Voltage (V
50
50
10
T
J
, JUNCTION TEMPERATURE (°C)
60
60
20
http://onsemi.com
Temperature
70
70
30
5
(T
A
40
= 25°C unless otherwise noted)
203
202
201
200
199
198
375
365
355
345
335
325
0
0
V
50
V
CC
Figure 6. SCP Threshold vs. Temperature
ref
CC
Figure 4. Oscillator Frequency (F
) vs.
10
10
= 12 V
= 5 V
T
T
60
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
20
20
70
Temperature
30
30
40
40
50
50
SW
) vs.
60
60
70
70