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tps65250/1,你看看咋样,够用吗?$ n7 d9 g6 I I: N8 P$ O, M
; k5 D/ z; v8 W* _! h& ^# n: l6 YInput Supply Voltage Range L* v+ [% u6 w( j& J/ l
(4.5 V - 18 V)
- U& u; u+ W. z. }9 a4 k' E1 b0.8 V, 1% Accuracy Reference
2 b; x/ X2 x# Y7 ^Continuous Loading: 3 A (Buck 1), . ~7 @4 p$ q/ T3 l/ e3 w1 p
2 A (Buck 2 and 3) w/ U w3 F/ k: G
Maximum Current: 3.5 A (Buck 1), * c# U3 G2 C7 h/ ^6 C, M* z7 z' [
2.5 A (Buck 2 and 3)
0 U6 `. r+ Q P. K# D" g* U" aAdjustable Switching Frequency 5 x. M% o7 B+ g7 u( ?
300 kHz - 2.2 MHz Set By External Resistor
, E4 c0 n6 e8 R2 WExternal Synchronization Pin for Oscillator
" N. J; E' H4 h: W. N% fExternal Enable/Sequencing and Soft Start Pins( b6 ^; T; U+ b! @8 a9 ?8 |0 ?
Adjustable Current Limit Set By External Resistor
& s6 L) A5 Y# y1 FSoft Start Pins. ^$ g% Q5 C( G/ V" y1 L
Current-Mode Control With Simple Compensation Circuit$ L0 R" P# U8 {& p) K: J
Power Good and Reset Generator/ P3 Q* N8 S6 {5 S) Q. [5 P9 L
Storage and Release Circuit Optimized for Reduction of Storage
6 @: O! T. z) d4 s* wCapacitance in Dying Gasp Mode (Option)2 n4 |- p, ^6 @9 x$ i: R$ `# u! n4 m
Low Power Mode Set By External Signal+ `' u0 g- V6 V& B/ H
QFN Package, 40-Pin 6 mm x 6 mm RHA |
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