NCP1521ASNT1G ON Semiconductor, NCP1521ASNT1G Datasheet - Page 7

• Manufacturer Part Number: NCP1521ASNT1G
• Description: IC CONV DC-DC PWM 600MA SOT23-5
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of NCP1521ASNT1G

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.9 ~ 3.3 V
• Current - Output: 600mA
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

-0.5
-1.0
-1.5
-2.0
-0.5
-1.0
-1.5
-2.0
2.0
1.5
1.0
0.5
0.0
2.0
1.5
1.0
0.5
0.0
-50
-50
Figure 21. Load Transient Response in PWM
V
V
IN
IN
= 4.0 V
= 3.6 V
Figure 17. Output Voltage Accuracy
Figure 19. Output Voltage Accuracy
I
OUT
0
0
Operation (V
10 ms/Div
I
OUT
TEMPERATURE (°C)
TEMPERATURE (°C)
= 100 mA
(V
= 600 mA
(V
I
I
OUT
I
OUT
OUT
OUT
OUT
= 100 mA
= 600 mA
= 300 mA
50
50
= 0.9 V)
= 3.3 V)
IN
= 3.6 V)
I
OUT
I
200 mA/Div
V
50 mV/Div
OUT
OUT
= 300 mA
100
100
http://onsemi.com
NCP1521
150
150
7
-0.5
-1.0
-1.5
-2.0
2.0
1.5
1.0
0.5
0.0
-50
Figure 22. Short Circuit Protection (V
Figure 20. Load Transient Response in PWM
V
2.5 ms/Div
IN
= 3.6 V
Figure 18. Output Voltage Accuracy
10 ms/Div
0
Operation (V
TEMPERATURE (°C)
(V
I
I
OUT
I
OUT
OUT
OUT
= 100 mA
= 600 mA
= 300 mA
= 1.8 V)
50
IN
= 3.6 V)
I
200 mA/Div
OUT
I
500 mA/Div
V
500 mV/Div
LX
V
50 mV/Div
OUT
OUT
100
IN
= 3.6 V)
150