NCP1521BSNT1G ON Semiconductor, NCP1521BSNT1G Datasheet - Page 7

• Manufacturer Part Number: NCP1521BSNT1G
• Description: IC CONV DC-DC STEPDOWN SOT23-5
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck)r

Specifications of NCP1521BSNT1G

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.9 ~ 3.9 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
• Duty Cycle (max): 100 %
• Efficiency: 90 %
• Input / Supply Voltage (max): 3.9 V
• Output Current: 600 mA
• Output Voltage: 3.3 V
• Switching Frequency: 1.5 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: NCP1521BSNT1GOSTR

1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
(Risetime = 50 ms, V
20 ms/div
2.7
V
1 V/div
Time
Figure 19. 3.0 V to 3.6 V Line Transient
IN
(V
IN
= 3.6 V, V
3.2
(V
Figure 15. Typical Soft−Start
Figure 17. Line Regulation
OUT
V
2 V/div
V
OUTIN
IN
, INPUT VOLTAGE (V)
85°C
= 1.2 V, I
T
OUT
A
3.7
OUT
= 255C)
= 1.2 V, I
= 1.2 V, I
OUT
25°C
4.2
= 100 mA)
OUT
OUT
20 mV/div
= 250 mA)
= 100 mA,
V
4.7
OUT
500 mV/div
200 mV/div
−40°C
100 ms/div
V
Time
I
OUT
LX
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5.2
7
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
(Risetime = 50 ms, V
2.7
20 ms/div
Figure 20. 3.6 V to 3.0 V Line Transient
Time
2.5 ms/div
I
OUT
Time
Figure 16. Short−Circuit Protection
I
3.2
= 1 mA
OUT
Figure 18. Line Regulation
(V
V
(V
= 600 mA
OUT
IN
IN
, INPUT VOLTAGE (V)
T
= 3.6 V, V
I
= 1.2 V, T
OUT
3.7
A
OUT
= 255C)
= 100 mA
= 1.2 V, I
OUT
A
4.2
= 255C)
= 1.2 V)
OUT
= 100 mA,
4.7
20 mV/div
V
1 V/div
V
200 mV/div
IN
OUT
500 mV/div
V
OUT
I
LX
5.2