AP6015 Datasheet, PDF (5/18 Pages) Diodes Incorporated – High Efficiency Step-Down Low Power DC-DC Converter

AP6015
High Efficiency Step-Down Low Power DC-DC Converter
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
P-channel MOSFET on-resistance
R_DS(on) ^{P-channel leakage current}
N-channel MOSFET on-resistance
N-channel leakage current
I_(LIM) P-channel current limit
Power good output (see Note 5)
V_I=V_GS=3.6V; I=200mA
V_I=V_GS=2V; I=200mA
V_DS=5.5V
V_I=V_GS=3.6V; I_O=200mA
V_I=V_GS=2V; I_O=200mA
V_DS=5.5V
2.5V≤V_I≤5.5V
V_(PG) ^{Power good threshold}
Feedback voltage falling
Power good hysteresis
V_OL PG output low voltage
V_(FB)=0.8×V_O nominal;
I_(sink)=10μA
I_LKG PG output leakage current
V_(FB)=V_O nominal
Minimum supply voltage for valid
power good signal
Oscillator
F_S Oscillator frequency
Output
V_O Adjustable output voltage range
V_REF Reference voltage
AP6015-Adj
V_I=2.5V to 5.5V;
Fixed output
V_O voltage
(see Note 6)
AP6015-1.8V
AP6015-2.5V
0mA ≤ I_O ≤ 800mA
10mA ≤ I_O ≤ 800mA
V_I=2.7V to 5.5V;
0mA ≤ I_O ≤ 800mA
10mA ≤ I_O ≤ 800mA
AP6015-3.3V
V_I=3.6V to 5.5V;
0mA ≤ I_O ≤ 800mA
10mA ≤ I_O ≤ 800mA
Line regulation
V_I= V_O ＋0.5V (min.2V)
to 6.0V; I_O=10mA
Load regulation
V_I=5.0V;
I_O=10mA to 800mA
η Efficiency
V_I=5V; V_O=3.3V; I_O=300mA
V_I=3.6V; V_O=2.5V; I_O=200mA
Start-up time
I_O=0mA, time from
active EN to V_O
θ_JA
Thermal Resistance
Junction-to-Ambient
MSOP-10L (Note 7)
θ_JC
Thermal Resistance
Junction-to-Case
MSOP-10L (Note 7)
200 280 410
- 480 -
-
-
1
200 280 410
- 500 -
-
-
1
1200 - 1600
88% 92% 94%
V_O
V_O
V_O
2.5% V_O
-
- 0.3
0.01 1
1.2 -
-
800 1000 1200
0.8
5.5
0.784 0.8 0.816
－3% - 4%
－3% - 3%
－3% - 4%
－3% - 3%
－3% - 4%
－3% - 3%
0.3
0.8
94
0.4 1
4
161
39
mΩ
μA
mΩ
μA
mA
V
V
μA
V
KHz
V
V
V
%/V
%
%
ms
o_C/W
o_C/W
Notes:
5. Power good is not valid for the first 100μs 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
AP6015 Rev. 2
5 of 18
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AUGUST 2008
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