NCP1450ASN19T1G ON Semiconductor, NCP1450ASN19T1G Datasheet - Page 5

• Manufacturer Part Number: NCP1450ASN19T1G
• Description: IC CTRLR DC-DC PWM 1.9V SOT23-5
• Manufacturer: ON Semiconductor
• Type: Step-Up (Boost), Inverting, Flyback, Forward Converter, Sepicr

Specifications of NCP1450ASN19T1G

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.9V
• 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: NCP1450ASN19T1GOS; NCP1450ASN19T1GOS; NCP1450ASN19T1GOSTR

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
Figure 3. NCP1450ASN19T1 Output Voltage
Figure 5. NCP1450ASN50T1 Output Voltage
IN
V
Figure 7. NCP1450ASN30T1 Efficiency vs.
IN
V
IN
= 0.9 V
V
= 1.2 V
IN
= 1.5 V
IN
V
= 1.5 V
200
200
IN
= 2.0 V
0.1
= 0.9 V
V
I
I
I
O
O
O
IN
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
V
vs. Output Current
= 0.9 V
vs. Output Current
IN
V
Output Current
IN
= 2.0 V
400
400
1
= 1.2 V
V
V
IN
IN
= 2.5 V
= 1.2 V
600
600
10
NCP1450ASN19T1
L = 10 mH
Q = NTGS3446T1
C
T
NCP1450ASN50T1
L = 10 mH
Q = NTGS3446T1
C
T
NCP1450ASN30T1
L = 10 mH
Q = NTGS3446T1
C
T
V
A
A
A
V
V
OUT
OUT
OUT
IN
IN
IN
= 25°C
= 25°C
= 25°C
V
= 2.5 V
= 4.5 V
= 4.0 V
IN
= 220 mF
= 220 mF
= 220 mF
V
= 3.0 V
IN
100
800
800
= 1.5 V
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NCP1450A
1000
1000
1000
5
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
IN
IN
IN
IN
NCP1450ASN30T1
L = 10 mH
Q = NTGS3446T1
C
T
V
Figure 4. NCP1450ASN30T1 Output Voltage
A
Figure 6. NCP1450ASN19T1 Efficiency vs.
Figure 8. NCP1450ASN50T1 Efficiency vs.
OUT
IN
= 4.0 V
= 3.0 V
= 2.5 V
= 2.0 V
V
= 25°C
IN
= 1.2 V
= 220 mF
= 0.9 V
200
0.1
0.1
I
I
I
O
O
O
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
vs. Output Current
V
Output Current
Output Current
V
IN
400
1
1
IN
V
= 1.5 V
IN
= 1.2 V
V
IN
= 0.9 V
V
= 4.5 V
IN
V
IN
= 0.9 V
600
10
10
= 1.5 V
NCP1450ASN19T1
L = 10 mH
Q = NTGS3446T1
C
T
NCP1450ASN50T1
L = 10 mH
Q = NTGS3446T1
C
T
A
A
OUT
OUT
V
= 25°C
= 25°C
IN
= 220 mF
= 220 mF
= 1.2 V
V
V
V
IN
100
100
IN
800
IN
= 2.0 V
= 2.5 V
= 1.5 V
1000
1000
1000