NCP1411
http://onsemi.com
5
TYPICAL OPERATING CHARACTERISTICS
Figure 3. Reference Voltage versus Output
Current
1 10 1000100
1.220
1.190
1.200
V
REF
, REFERENCE VOLTAGE (V)
I
LOAD
, OUTPUT CURRENT (mA)
1.195
1.205
1.210
1.215
Figure 4. Reference Voltage versus Input
Voltage at OUT Pin
12 64
1.195
1.180
1.186
V
REF
, REFERENCE VOLTAGE (V)
V
OUT
, INPUT VOLTAGE AT OUT PIN (V)
1.183
1.189
1.192
Figure 5. Reference Voltage versus
Temperature
−40 0 10020
1.194
1.184
V
REF
, REFERENCE VOLTAGE (V)
T
A
, AMBIENT TEMPERATURE (°C)
1.186
1.188
1.190
1.192
Figure 6. Switch ON Resistance versus
Temperature
−40 0 10020
1.5
0
0.6
R
DS(on)
, SWITCH ON RESISTANCE (W)
T
A
, AMBIENT TEMPERATURE (°C)
0.3
0.9
1.2
Figure 7. L
X
Switch Max. ON Time versus
Temperature
−40 0 10040
1.8
1.2
1.4
L
X
, SWITCH MAX. ON TIME (t
on
/mS)
T
A
, AMBIENT TEMPERATURE (°C)
1.3
1.5
1.6
1.7
0 20 120100
1.9
0.6
1.1
V
BATT
, MIN. STARTUP BATTERY VOLTAGE (V)
I
LOAD
, OUTPUT LOADING CURRENT (mA)
0.9
1.4
1.6
Figure 8. Min. Startup Battery Voltage versus
Loading Current
35
−20 40 60 80
V
OUT
= 3.3 V
L = 22 mH
C
IN
= 10 mF
C
OUT
= 33 mF
C
REF
= 1 mF
T
A
= 25°C
V
IN
= 1.8 V
V
IN
= 2.2 V
V
IN
= 3.0 V
C
REF
= 1 mF
T
A
= 25°C
I
REF
= 2.5 mA
I
REF
= 0 mA
V
OUT
= 3.3 V
C
REF
= 150 nF
I
REF
= 0 mA
−20 40 60 80
V
OUT
= 3.3 V
P−FET (M2)
N−FET (M1)
−20 20 8060 40 60 80
WITHOUT SCHOTTKY DIODE
WITH SCHOTTKY DIODE
(MBR0502)
