NCP1579DR2G ON Semiconductor, NCP1579DR2G Datasheet - Page 2

• 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

COMP/DIS
FB
6
7
0.8 V
(V
REF
+
-
)
GM
Figure 1. Typical Application Diagrams
Ramp
FB
COMP/DIS
Figure 2. Detailed Block Diagram
FB
COMP/DIS
Clock
OSC
OSC
+
-
GND
V
CC
http://onsemi.com
GND
V
12 V
PHASE
CC
BST
BG
TG
FAULT
R
S
PHASE
2
BST
PWM
OUT
BG
TG
Q
LATCH
UVLO
POR
3.3 V
FAULT
FAULT
SCP
-
-
+
+
+
-
2 V
V
VOCTH
V
OUT
IN
V
OUT
V
CC
5
1
2
8
4
3
BG
GND
V
BST
TG
PHASE
CC
R
set