NCP1521UEVB ON Semiconductor, NCP1521UEVB Datasheet - Page 6
NCP1521UEVB
Manufacturer Part Number
NCP1521UEVB
Description
EVAL BOARD FOR NCP1521U
Manufacturer
ON Semiconductor
Specifications of NCP1521UEVB
Design Resources
NCP1521UEVB BOM NCP1521UEVB Schematic NCP1521UEVB Gerber Files
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
0.9 ~ 3.3 V
Current - Output
600mA
Voltage - Input
3.6V
Regulator Topology
Buck
Frequency - Switching
1.5MHz
Board Type
Fully Populated
Utilized Ic / Part
NCP1521
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
NCP1521U
Other names
NCP1521UEVBOS
1.8
1.7
1.6
1.5
1.4
1.3
1.2
2.0
1.5
1.0
0.5
0.0
-40
0
Figure 15. Output Voltage vs. Enable Input Pin
I
OUT
-20
Figure 13. Frequency vs. Temperature
= 300 mA
Figure 11. Soft Start Time (V
0.2
EN
2 V/Div
V
IN
0
0.4
, ENABLE INPUT VOLTAGE (V)
100 ms/Div
TEMPERATURE (°C)
20
0.6
Voltage
40
0.8
V
500 mV/Div
OUT
60
IN
1.0
= 3.6 V)
V
V
IN
IN
80
1.2
= 5.5 V
= 3.6 V
http://onsemi.com
NCP1521
100
1.4
6
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
100
1.8
1.7
1.6
1.5
1.4
1.3
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
80
70
60
50
40
30
20
10
0
2.7
2.7
0
V
V
OUT
OUT
Figure 16. PFM/PWM Threshold vs. Input
Figure 12. Frequency vs. Input Voltage
100
V
= 3.3 V
3.2
3.2
= 0.9 V
OUT
Figure 14. Load Regulation
I
OUT
= 1.8 V
200
V
, OUTPUT CURRENT (mA)
V
IN
3.7
3.7
IN
, INPUT VOLTAGE (V)
, INPUT VOLTAGE (V)
I
I
OUT
OUT
300
Voltage
= 300 mA
= 600 mA
4.2
4.2
400
4.7
4.7
500
V
T
A
OUT
= 25°C
5.2
5.2
600
= 1.8 V
700
5.7
5.7