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tps65250/1,你看看咋样,够用吗?( u$ b9 O1 H2 i# u0 L4 X1 u
9 n, p/ L$ J5 Z8 R" r7 IInput Supply Voltage Range ' {0 q. E+ c& o! O
(4.5 V - 18 V)
; b6 L# z; A1 O# h# K0.8 V, 1% Accuracy Reference
$ s" b0 a h+ V$ }8 h: K0 hContinuous Loading: 3 A (Buck 1),
I/ {' ?4 w' q3 m% P# P' x& N2 A (Buck 2 and 3)& t" W \- X8 K( j+ g( L
Maximum Current: 3.5 A (Buck 1),
4 z' m0 j: s* j+ i$ o3 W2.5 A (Buck 2 and 3)
/ C- w/ R5 h* |4 l3 d% MAdjustable Switching Frequency - n" V' u; L0 x' e0 ]3 f+ e" I; M" q
300 kHz - 2.2 MHz Set By External Resistor
: o. y2 u8 t" @" HExternal Synchronization Pin for Oscillator8 z2 ~/ I. z2 M# F( [+ v
External Enable/Sequencing and Soft Start Pins; a5 z. ]- I4 ?) u
Adjustable Current Limit Set By External Resistor
( _( O( B Y$ ^$ H# cSoft Start Pins
' m' X3 w7 b0 b0 @0 M( GCurrent-Mode Control With Simple Compensation Circuit. @0 F4 A7 d0 o8 ?& a. J, Z
Power Good and Reset Generator
. H) }5 q) M+ w4 J ?, ~Storage and Release Circuit Optimized for Reduction of Storage
: p" k# C" A7 J$ m0 ~7 t zCapacitance in Dying Gasp Mode (Option)+ a$ ~* x$ [0 w
Low Power Mode Set By External Signal4 i' r/ G. s7 Z1 a
QFN Package, 40-Pin 6 mm x 6 mm RHA |
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