Electrical Characteristics
NOTE: VIN = 5V, Minimum and Maximum values are over operating ambient temperature range unless otherwise noted.
Typical values are at T
A
= 25°C.
PARAMETER
Operating Input Voltage
Feedback Node Initial
Accuracy
Output Variation (Note 3)
(Line, Load, Temperature)
VFB, ENABLE, TST0/1/2
Pin Input Current (Note 4)
Shutdown Current
Under Voltage Lock-out –
V
IN
Rising
Under Voltage Lock-out –
t
VIN
Falling
Soft-start Time
Dropout Resistance
ENABLE Voltage
Threshold
POK Threshold
POK Threshold
POK Low Voltage
POK Pin V
OH
Leakage
Current
Current Limit Threshold
Operating Frequency
Output Ripple Voltage
Logic Low
Logic High
V
OUT
Rising
V
OUT
Falling
I
SINK
= 1 mA
POK High
2.7V
≤
V
IN
≤
5.5V
F
OSC
V
RIPPLE
C
OUT
= 2 x 22
µF
0603 X5R
MLCC, V
OUT
= 3.3 V, I
LOAD
= 1.5A
C
OUT
= 2 x 22
µF
0603 X5R
MLCC, V
OUT
= 1.8 V, I
LOAD
= 1.5A
3.2
0.0
1.4
92
90
0.15
0.5
5
3.2
4
4
SYMBOL
V
IN
V
VFB
V
OUT
TEST CONDITIONS
T
A
= 25°C; V
IN
= 5V
I
LOAD
= 100 mA
2.4V
≤
V
IN
≤
5.5V
0
≤
I
LOAD
≤ 1.5A
MIN
2.4
0.588
-3
TYP
0.600
MAX
5.5
0.612
+3
+/-40
ENABLE Low
Voltage Above Which UVLO is
Not Asserted
Voltage Below Which UVLO is
Asserted
Time from Enable High (Note 4)
20
2.2
2.1
0.91
1.40
150
1.89
300
0.4
V
IN
UNITS
V
V
%
nA
µA
V
V
ms
mΩ
V
%
%
V
µA
A
MHz
mV
P-P
mV
P-P
V
UVLOR
V
UVLOF
0.4
2
Note 3:
Output voltage variation is based on using 0.1% accuracy resistor values.
Note 4:
Parameter not production tested but is guaranteed by design.
5
08325
October 16, 2015
Rev D
ALTERA [ ALTERA CORPORATION ]
