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本帖最后由 Heaven_1 于 2021-5-21 13:21 编辑
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升压恒压锂电池输入升压恒压供电模块芯片8 B- f2 F5 b |2 ^7 t: F. z
Featturres Output up to 24V
& v% @0 J) A$ M: I Internal MOSFET with high switch current up . Z8 ~% C. f7 w$ ?0 X6 |
to 3A 6 b' W; |3 B/ ~, p; S2 Z a
19μA Quiescent (Switch-off) Supply Current
! b1 @* F% k/ o* Y Zero Shutdown Mode Supply Current
" S; Q7 P! E2 f0 {) m 90% Efficiency
+ c1 R2 E0 B! N! n8 P Up to 450KHz Switching Frequency
* {3 }) }: D$ s, W1 w Using Internal Power Switches
! B1 P! _ E0 m Z, Z SOT-23-6 Package ' Q2 S7 Z8 M8 T) l' ?4 D- w J( w
Applliicattiions PDA ' h" ~- X% _( S7 k
DSC
9 _' @: T9 [7 F- [9 g. K( C LCD Panel ( {# h0 w2 O4 @* T6 J3 ] v
RF-Tags ; i, n5 }- g9 _- J" ~; `& y
MP3 , m% J0 X. n( b }. W6 |9 [/ s+ r4 S
Portable Instrument
\, A2 J! W6 s, j5 L Wireless Equipment
8 N; c' ?3 a Y- mDescrriipttiion1 Q/ l; F0 g- V9 }
The AP8363 is a compact, high efficiency, and 3 N2 y; ?: T! l0 R) @5 A# p
low voltage step-up DC/DC converter including
$ a( u2 R7 r& Q! V5 s5 v6 Q/ q( I6 G1 `+ gan error amplifier, ramp generator, comparator, `; P, o1 W5 R% r
switch pass element and driver in which providing
$ V: s1 `. `8 fa stable and high efficient operation over a wide H% R" |8 e. {# h
range of load currents. It operates in stable
5 T5 W* z/ `( K+ u! Wwaveforms without external compensation. ( I: c+ q) A J9 v+ _3 q5 H; [4 D1 K! N8 r
The low start-up input voltage below 1.6V. The
7 K' R( G+ r! } p! v8 u0 z1 nhigh switching rate minimized the size of external
+ I8 X. Q t% [3 }+ Z: Fcomponents. Besides, the 19μA low quiescent 2 w; d/ C D. z$ Q. e
current together with high efficiency maintains ) t. W( L% o; p: v; Y/ V$ ?
long battery lifetime. 6 H$ W" s7 t# i Y% A j
The output voltage is set with two external
7 [/ j5 K8 c' M; cresistors., q9 \- ~- S1 `7 I" e
0 n4 a2 p; n8 _1 Q/ _( ]
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发表于 2021-5-21 10:48
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