AP6714 Datasheet, PDF (5/15 Pages) Diodes Incorporated – 1.8MHz SYNCHRONOUS BOOST CONVERTER

AP6714
1.8MHz SYNCHRONOUS BOOST CONVERTER
Typical Application Circuit (Note 6)
R2
1 MOhm
Rcc
27 KOhm
C2
470p
R _TOP
R _BOTTOM
U1
1 _VCC
2 _EN
3 _CC
4 _FB
5 _REF
OUT ¹⁰
LX ⁹
OCP ⁸
PGND ⁷
SGND ⁶
C3
AP6714
0.1u
Rocp
L1
0.1 Ohm
2.7uH
COUT
10u
VOUT
VIN
C_IN
10u
Notes:
V_OUT
= V_FB × (1+
R_TOP
R_BOTTOM
)
6. Recommended minimum RBOTTOM: 100 KΩ.
Typical Operating Characteristics
Supply Current vs. Input Voltage
300
275
250
225
200
175
150
125
100
0.9 1.5 1.8 2.4 3 3.6 4.2 5
Input Voltage (V)
Figure. 1
Supply Current vs. Temperature
300
275
250
225
200
175
150
125
100
-40
VIN=2.4V
VIN=3.6V
-25
25
85
125
Temperature (℃ )
Figure. 2
AP6714 Rev. 4
5 of 15
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FEBRUARY 2009
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