NCP1521ASNT1G ON Semiconductor, NCP1521ASNT1G Datasheet - Page 6

• 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

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