Diodes AP6015 - Manual (Page 5)

AP6015
High Efficiency Step-Down Low Power DC-DC Converter
AP6015 Rev. 3 5 of 18 FEBRUARY 2009
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Electrical Characteristics
(Continued)
Over recommended operating free-air temperature range, V I =3.6V, V O =2.5V, I O =300 mA, EN=V IN . (unless otherwise noted)
Symbol Parameter Conditions Min Typ. Max Unit
Power switch and current limit
R
DS(on)
P-channel MOSFET on-resistance
V
I
=V
GS
=3.6V; I=200mA 200 280 410
m Ω
V
I
=V
GS
=2V; I=200mA - 480 -
P-channel leakage current V
DS
=5.5V - - 1 μA
N-channel MOSFET on-resistance
V
I
=V
GS
=3.6V; I
O
=200mA 200 280 410
m Ω
V
I
=V
GS
=2V; I
O
=200mA - 500 -
N-channel leakage current V
DS
=5.5V - - 1 μA
I
(LIM)
P-channel current limit 2.5V ≤V
I
≤5.5V 1200 - 1600 mA
Power good output (see Note 5)
V
(PG)
Power good threshold Feedback voltage falling
88%
V
O
92%
V
O
94%
V
O
V
Power good hysteresis 2.5% V
O
V
OL
PG output low voltage
V
(FB)
=0.8×V
O
nominal;
I
(sink)
=10 μA
- - 0.3 V
I
LKG
PG output leakage current V
(FB)
=V
O
nominal 0.01 1 μA
Minimum supply voltage for valid
power good signal
1.2 - - V
Oscillator
F
S
Oscillator frequency 800 1000 1200 KHz
Output
V
O
Adjustable output voltage range 0.8 5.5 V
V
REF
Reference voltage 0.784 0.8 0.816 V
V
O
Fixed output
voltage
(see Note 6)
AP6015-Adj
V
I
=2.5V to 5.5V;
0mA ≤ I
O
≤ 800mA
－3% - 4%
V
AP6015-1.8V
10mA ≤ I
O
≤ 800mA －3% - 3%
AP6015-2.5V
V
I
=2.7V to 5.5V;
0mA ≤ I
O
≤ 800mA
－3% - 4%
10mA ≤ I
O
≤ 800mA －3% - 3%
AP6015-3.3V
V
I
=3.6V to 5.5V;
0mA ≤ I
O
≤ 800mA
－3% - 4%
10mA ≤ I
O
≤ 800mA －3% - 3%
Line regulation
V
I
= V
O
＋0.5V (min.2V)
to 6.0V; I
O
=10mA
0.3 %/V
Load regulation
V
I
=5.0V;
I
O
=10mA to 800mA
0.8 %
η Efficiency
V
I
=5V; V
O
=3.3V; I
O
=300mA
94 %
V
I
=3.6V; V
O
=2.5V; I
O
=200mA
Start-up time
I
O
=0mA, time from
active EN to V
O
0.4 1 4 ms
θ
JA
Thermal Resistance
Junction-to-Ambient
MSOP-10L (Note 7) 161
o
C/W
θ
JC
Thermal Resistance
Junction-to-Case
MSOP-10L (Note 7) 39 o C/W
Notes: 5. Power good is not valid for the first 100 μs after EN goes high. Please refer to the application section for more information.
6. The output voltage accuracy includes line and load regulation over the full temperature range.
7. Test condition for MSOP-10L: Device mounted on 2oz copper, minimum recommended pad layout on top & bottom layer with thermal vias,
double sided FR-4 PCB