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AS1339
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
Table 4. System Characteristics (Continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
From PA_EN switch from 0V to 1.7V,
Start-Up Time
V OUT = 3.4V, I LOAD = 0mA, within 50mV
100
150
regulation error
Regulation Time; Rise Time
Regulation Time; Fall Time
V OUT from 0.8V to 3.4V, R LOAD = 8 Ω ,
within 50mV regulation error
V OUT from 3.4V to 0.8V, R LOAD = 8 Ω ,
within 50mV regulation error
30
30
50
50
μs
LDO
Start-Up Time
Shut-Down Time
I OUT =10mA, within 100mV of V OUT
I OUT =0mA, within 100mV of GND
30
50
50
100
μs
Line Regulation
Ripple Rejection
4
Load Regulation
5
V IN = 4V to 3.5V; I OUT = 10mA;
I OUT stepped from 50μA to 10mA
I OUT = 4mA, V IN = 3.2V, f = 100kHz
I OUT = 4mA, V IN = 3.2V, f = 2MHz
45
45
10
25
mV
dB
Output Noise
6
10Hz to 100kHz, I OUT = 10mA
50
100
μV RMS
AE = ? --------------------------------- – 1 ? × 100
? 2 , 5 × V REFIN
1. The relative linearity is defined as the difference of the minimum to the maximum gain over the entire REFIN
range.
2. The absolute linearity is defined as the actual gain error (AE) of every applied V REFIN voltage between 0.32V
and 1.4V.
V OUT
?
3. The ripple voltage should measured at C OUT electrode on good layout PC board and under condition using sug-
gested inductors and capacitors.
4. For dynamic change in V OUT (Line transient response) when V IN drops 500mV from 4V (see Figure 48 on page
5. V RIPPLE = 200mVpp; T A = +25°C; C IN1 , C IN2 removed; PA_EN = 0V;
6. V IN = 3.2V; T A = +25°C; PA_EN = 3.2V;
Table 5. External Components used for Characterisation
Name
C IN1
C IN2
C OUT
C LDO1 , C LDO2
Part Number
GRM21BR60J106KE01
GRM155R61A105KE15
C0603C475K8PAC7867
C0402C104K4RAC
Value
10μF
1μF
4.7μF
100nF
Rating
6.3V
10V
10V
16V
Type
X5R
X5R
X5R
X7R
Size
0805
0402
0603
0402
Manufacturer
Murata
KEMET
2.2x2.0x1.4mm www.coilcraft.com
L
MLP2520S3R3S
3.3μH
1A
110m Ω
TDK
Revision 1.05
7 - 25
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