ncp1523b ON Semiconductor, ncp1523b Datasheet - Page 7

• Manufacturer Part Number: ncp1523b
• Description: 3 Mhz, 600 Ma, Highefficiency, Adjustable Output Voltage Stepdown Converter
• Manufacturer: ON Semiconductor

100
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
0
0
2.5
2.5
1
Figure 7. Efficiency vs. Output Current
Figure 3. Quiescent Current vs. Supply
Figure 5. Shutdown Current vs. Supply
3.0
3.0
I
(V
OUT
OUT
V
V
, OUTPUT CURRENT (mA)
IN
IN
3.5
3.5
10
, INPUT VOLTAGE (V)
, INPUT VOLTAGE (V)
= 0.9 V, V
Voltage
Voltage
−40°C
4.0
4.0
105°C
IN
= 3.6 V)
100
4.5
4.5
NCP1523 CHARACTERISTICS
25°C
EN = V
I
OUT
EN = GND
I
OUT
5.0
5.0
= 0 mA
http://onsemi.com
= 0 mA
IN
NCP1523
1000
5.5
5.5
7
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
90
80
70
60
50
40
30
−40
0
1
1
Figure 4. Quiescent Current vs. Temperature
Figure 8. Efficiency vs. Output Current
Figure 6. Efficiency vs. Output Current
−40°C
I
I
OUT
OUT
(V
(V
V
−40°C
OUT
IN
OUT
, OUTPUT CURRENT (mA)
, OUTPUT CURRENT (mA)
10
10
10
TEMPERATURE (°C)
= 5.5 V
= 2.0 V, V
= 1.8 V, V
105°C
105°C
IN
IN
25°C
V
= 3.6 V)
= 3.6 V)
IN
100
100
60
= 2.7 V
25°C
1000
1000
110