NCP1410_05 ONSEMI [ON Semiconductor], NCP1410_05 Datasheet - Page 5

• Manufacturer Part Number: NCP1410_05
• Description: 250 mA Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector
• Manufacturer: ONSEMI [ON Semiconductor]

1.212
1.208
1.204
1.196
1.192
1.188
1.194
1.192
1.190
1.188
1.186
1.184
1.2
1.8
1.7
1.6
1.5
1.4
1.3
1.2
−40
−40
1.0
Figure 3. Reference Voltage vs. Output Current
Figure 5. Reference Voltage vs. Temperature
V
L = 22 mH
C
C
C
T
V
C
I
REF
A
OUT
Figure 7. L
IN
OUT
REF
OUT
REF
= 25 C
−20
−20
= 10 mF
= 0 mA
= 3.3 V
= 1.0 mF
= 33 mF
= 3.3 V
= 150 nF
AMBIENT TEMPERATURE, T
AMBIENT TEMPERATURE, T
OUTPUT CURRENT, I
0
0
X
Switch Maximum ON Time vs.
10
Temperature
20
20
V
IN
TYPICAL OPERATING CHARACTERISTICS
40
40
= 1.8 V
LOAD
100
/mA
60
60
A
A
/ C
/ C
V
V
IN
IN
80
80
http://onsemi.com
= 2.2 V
= 3.0 V
NCP1410
1000
100
100
5
1.195
1.193
1.190
1.188
1.185
1.183
1.180
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0
−40
1.5
0
Figure 6. Switch ON Resistance vs. Temperature
Figure 4. Reference Voltage vs. Input Voltage
Figure 8. Minimum Startup Battery Voltage vs.
C
T
A
REF
2.0
−20
= 25 C
OUTPUT LOADING CURRENT, I
20
INPUT VOLTAGE AT OUT PIN, V
= 1.0 mF
AMBIENT TEMPERATURE, T
2.5
0
Without Schottky Diode
40
Loading Current
3.0
at OUT pin
20
3.5
P−FET (M2)
60
40
With Schottky Diode
4.0
(MBR0502)
80
60
LOAD
I
A
4.5
REF
N−FET (M1)
I
REF
OUT
/ C
= 2.5 mA
/mA
,/V
100
= 0 mA
80
5.0
100
5.5
120