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tps65250/1,你看看咋样,够用吗?
- _4 @7 T0 Q7 F$ a2 |* j- k2 p0 h- u. m0 p6 {2 Q: K& [1 D5 i; ?+ _7 s
Input Supply Voltage Range ; j& M. W; N. _6 @9 L6 O3 a9 @
(4.5 V - 18 V)
k9 Z1 T- R& A/ `6 o0.8 V, 1% Accuracy Reference
( _) X( c# ^$ pContinuous Loading: 3 A (Buck 1),
, i) `( H7 u( h% |0 r6 ] k5 U2 A (Buck 2 and 3)
; R) @& Z3 H/ C4 w' L2 bMaximum Current: 3.5 A (Buck 1), 2 _% }( y: @3 q
2.5 A (Buck 2 and 3)' \) T' o0 ~4 g7 _1 n
Adjustable Switching Frequency
7 M6 N2 W! k: P& A& x- M h+ O300 kHz - 2.2 MHz Set By External Resistor
+ [' d% R) k. N( vExternal Synchronization Pin for Oscillator$ B+ C4 T1 m2 \. m) I7 X6 D& Z5 ~6 b
External Enable/Sequencing and Soft Start Pins% I6 I5 C" w, b: V8 a
Adjustable Current Limit Set By External Resistor
5 Z4 S- I# s7 w a2 ]+ c2 xSoft Start Pins
9 N- X+ o6 ~- ^7 tCurrent-Mode Control With Simple Compensation Circuit. d# K9 q$ e A% P
Power Good and Reset Generator
4 u" P$ |7 j# \Storage and Release Circuit Optimized for Reduction of Storage
8 I& _5 A; E3 s, V* M& N- ~/ ~Capacitance in Dying Gasp Mode (Option)
6 f* M! n: [/ w2 R3 g6 [& @7 Z% CLow Power Mode Set By External Signal
3 s& w/ N0 v, e+ pQFN Package, 40-Pin 6 mm x 6 mm RHA |
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