AP6015-33M10G-13 Diodes Inc, AP6015-33M10G-13 Datasheet - Page 14

• Manufacturer Part Number: AP6015-33M10G-13
• Description: IC CONV DC-DC STDWN 3.3V 10-MSOP
• Manufacturer: Diodes Inc
• Type: Step-Down (Buck)r

Specifications of AP6015-33M10G-13

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 800mA
• Frequency - Switching: 1MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: AP6015-33M10GDITR

AP6015
High Efficiency Step-Down Low Power DC-DC Converter
Application Information
(Continued)
Inductor Selection
In order to avoid saturation of the inductor, the inductor should be rated at least for the maximum output
current plus the inductor ripple current which is calculated as:
V
−
O
1
(
)
Δ
V
I
Δ
=
×
=
+
CC
L
I
V
I
I
×
L
O
L
(
MAX
)
O
(
MAX
)
L
f
2
Where:
f= Switching frequency (1MHz typical)
L = Inductor value
△I
= Peak-to-peak inductor ripple current
L
I
(max) = Maximum inductor current
L
Vcc=3.6V Vout=2.5V f=1MHz L=3.3uH
Vcc=3.6V Vout=2.5V f=1MHz L=1.8uH
△I
≒230mA
△I
≒360mA
L
L
AP6015 Rev. 3
14 of 18
FEBRUARY 2009
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