ncn6001 ON Semiconductor, ncn6001 Datasheet - Page 23

• Manufacturer Part Number: ncn6001
• Description: Compact Smart Card Interface Ic
• Manufacturer: ON Semiconductor

connected to the CRD_VCC output as depicted in Figure 19.
Test Conditions: Cout = 2x 4.7 mF/6 V/ceramic X7R,
Table 9. Ceramic/Electrolytic Capacitors Comparison
Figure 20. CRD_VCC Efficiency as a Function of the
The DC/DC converter is capable to start with a full load
Manufacturers
74
72
70
68
66
64
62
60
58
2.5
MURATA
MURATA
Figure 18. Typical CRD_VCC Ripple Voltage
VISHAY
VISHAY
−
V
out
= 3.0 V
3.0
Temp = +25°C
Iout = Maximum Specification
Input Supply Voltage
L
out
3.5
= 22 mH/ESR = 2 W
Tantalum/594C/593C
Electrolytic Low Cost
CERAMIC/GRM225
CERAMIC/GRM225
Electrolytic/94SV
Type/Series
V
bat
V
4.0
out
(V)
= 1.8 V
4.5
V
out
= 5.0 V
5.0
http://onsemi.com
Format
0805
0805
−
−
−
NCN6001
5.5
23
system starts from zero.
current load (35 mA, 60 mA and 65 mA), according to EMV
specifications.
4.7 mF/6.3 V
In this example, the converter is fully loaded when the
The curves illustrate the typical behavior under full output
10 mF/6.3 V
Max Value
10 mF/16 V
10 mF/10 V
10 mF/10 V
Figure 19. Output Voltage Startup Under Full Load
−20%/+20%
−20%/+20%
−20%/+20%
−35%/+50%
Tolerance
Conditions
−
Typ. Z @ 500 kHz
450 mW
400 mW
30 mW
30 mW
2.0 W