NCP1450ASN27T1G ON Semiconductor, NCP1450ASN27T1G Datasheet - Page 15

• Manufacturer Part Number: NCP1450ASN27T1G
• Description: IC CTRLR DC-DC PWM 2.7V SOT23-5
• Manufacturer: ON Semiconductor
• Type: Step-Up (Boost), Inverting, Flyback, Forward Converter, Sepicr

Specifications of NCP1450ASN27T1G

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 2.7V
• Current - Output: 1A
• Frequency - Switching: 180kHz
• Voltage - Input: 0.6 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Power - Output: 500mW
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: NCP1450ASN27T1GOS; NCP1450ASN27T1GOS; NCP1450ASN27T1GOSTR

100
2.1
2.0
1.9
1.8
1.7
1.6
5.2
5.1
5.0
4.9
4.8
4.7
80
60
40
20
0
0.01
0
0
V
V
V
V
V
V
Figure 63. NCP1450ASN19T1 Output Voltage
Figure 65. NCP1450ASN50T1 Output Voltage
Figure 67. NCP1450ASN30T1 Efficiency vs.
IN
IN
IN
IN
IN
V
IN
IN
= 2.5 V
= 2.0 V
= 1.5 V
= 1.2 V
= 0.9 V
= 0.9 V
V
V
= 0.9 V
IN
IN
200
200
= 1.5 V
0.1
= 1.2 V
vs. Output Current (Ext. BJT)
vs. Output Current (Ext. BJT)
V
IN
Output Current (Ext. BJT)
I
I
I
O
O
O
= 2.0 V
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
V
IN
V
V
= 1.5 V
IN
IN
400
400
1
= 1.2 V
= 2.5 V
600
600
10
V
V
V
IN
IN
IN
NCP1450ASN50T1
L = 10 mH
Q = MMJT9410
R
C
C
T
NCP1450ASN30T1
L = 10 mH
Q = MMJT9410
R
C
C
T
NCP1450ASN19T1
L = 10 mH
Q = MMJT9410
R
C
C
T
= 4.5 V
= 4.0 V
= 3.0 V
A
A
A
b
b
OUT
b
b
OUT
b
b
OUT
= 25°C
= 25°C
= 25°C
= 560 W
= 0.003 mF
= 560 W
= 0.003 mF
= 560 W
= 0.003 mF
= 220 mF
= 220 mF
= 220 mF
800
800
100
http://onsemi.com
NCP1450A
1000
1000
1000
15
100
100
3.1
3.0
2.9
2.8
2.7
3.2
80
60
40
20
80
60
40
20
0
0
0.01
0.01
0
V
V
V
V
V
Figure 64. NCP1450ASN30T1 Output Voltage
IN
IN
IN
IN
IN
V
Figure 66. NCP1450ASN19T1 Efficiency vs.
Figure 68. NCP1450ASN50T1 Efficiency vs.
V
IN
= 4.0 V
= 3.0 V
= 2.5 V
= 2.0 V
= 0.9 V
IN
= 0.9 V
= 1.2 V
200
0.1
0.1
vs. Output Current (Ext. BJT)
Output Current (Ext. BJT)
Output Current (Ext. BJT)
I
I
I
O
O
O
V
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
V
IN
IN
= 1.2 V
= 0.9 V
V
400
IN
1
1
V
V
IN
= 1.5 V
IN
= 2.0 V
= 1.5 V
600
10
10
NCP1450ASN30T1
L = 10 mH
Q = MMJT9410
R
C
C
T
NCP1450ASN19T1
L = 10 mH
Q = MMJT9410
R
C
C
T
V
NCP1450ASN50T1
L = 10 mH
Q = MMJT9410
R
C
C
T
A
A
A
b
b
OUT
b
b
OUT
IN
b
b
OUT
= 25°C
= 25°C
V
= 560 W
= 0.003 mF
= 560 W
= 0.003 mF
= 25°C
= 560 W
= 0.003 mF
= 4.5 V
IN
= 220 mF
= 220 mF
= 220 mF
= 2.5 V
V
V
800
100
100
IN
IN
= 1.5 V
= 1.2 V
1000
1000
1000