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tps65250/1,你看看咋样,够用吗?9 p+ H& b4 v4 i; n+ ?+ x7 G
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Input Supply Voltage Range
' ^9 p4 v! ]( ~5 j2 ?(4.5 V - 18 V)% I( T8 B3 ?. @+ ]' Z
0.8 V, 1% Accuracy Reference
/ N# ]4 y4 T" \% i& b" i* wContinuous Loading: 3 A (Buck 1),
7 w; X: z s# Q6 m; t3 X9 Y% J! j2 A (Buck 2 and 3)
" a( z/ I$ H: c( j/ a. ~Maximum Current: 3.5 A (Buck 1), 6 b6 A( T8 m5 m2 u0 Y, q$ ~( `
2.5 A (Buck 2 and 3)
& U- g/ t. l; t. L3 BAdjustable Switching Frequency
) H# v h# K6 n300 kHz - 2.2 MHz Set By External Resistor
1 n) K: ]2 ^8 t2 Q( UExternal Synchronization Pin for Oscillator
% {& {: A9 j. G- t6 a' | N1 gExternal Enable/Sequencing and Soft Start Pins" d, S' J9 W% x5 U b& t- @
Adjustable Current Limit Set By External Resistor
0 V R( ]' X" S' F: P: _Soft Start Pins
3 F2 \! r' [5 \* u! v/ E6 tCurrent-Mode Control With Simple Compensation Circuit
/ h l8 B3 i- {: W: pPower Good and Reset Generator5 \0 ~$ Z* e5 d7 ^
Storage and Release Circuit Optimized for Reduction of Storage
8 s- `% V9 T# ~% HCapacitance in Dying Gasp Mode (Option)
" m9 J1 _7 E& K# b! NLow Power Mode Set By External Signal; U' _2 f) G U9 v" Z: k
QFN Package, 40-Pin 6 mm x 6 mm RHA |
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