|
|
tps65250/1,你看看咋样，够用吗？+ j5 V3 S V. D: L: g! S) ]
) y4 h0 V. v1 t% o& E2 t
Input Supply Voltage Range , l @& x Q2 y8 i% m2 P+ w3 b3 ?
(4.5 V - 18 V)* w+ z& ], W. I9 ~' P4 e# H$ o
0.8 V, 1% Accuracy Reference$ K! X7 E+ R, D: Y& F8 C1 {
Continuous Loading: 3 A (Buck 1), + a+ ?& A; _1 m, e0 r% Q, \
2 A (Buck 2 and 3)
% n3 j L j5 z$ f' [: CMaximum Current: 3.5 A (Buck 1),
/ o% o5 ?# M- V2.5 A (Buck 2 and 3)
7 B/ f% o3 g3 u/ W/ S( M' c& yAdjustable Switching Frequency x. }( _; t2 J* N& W
300 kHz - 2.2 MHz Set By External Resistor
0 \# |* S s5 i# u+ K9 iExternal Synchronization Pin for Oscillator
# m9 z7 E, v; a7 G9 oExternal Enable/Sequencing and Soft Start Pins
& Q; {7 x2 {' ~Adjustable Current Limit Set By External Resistor
% h9 [! L3 B5 \# O O, hSoft Start Pins
2 [0 ^# ?1 j: W' q( q# B) h' qCurrent-Mode Control With Simple Compensation Circuit: O) j2 l9 l( t0 x! W6 s
Power Good and Reset Generator
: s5 T! r% M$ D1 j0 ~Storage and Release Circuit Optimized for Reduction of Storage 0 j1 z4 a4 H" o, b, z) N0 N
Capacitance in Dying Gasp Mode (Option)7 I6 r- [4 T0 o& G4 s- ~5 O
Low Power Mode Set By External Signal1 ?- h% s0 f. E# D' ~
QFN Package, 40-Pin 6 mm x 6 mm RHA |
|
/1 
发表于 2013-8-20 22:18
QQ好友和群
QQ空间
腾讯微博
腾讯朋友
微信
收藏
支持！
反对！
发表于 2013-8-22 08:23
楼主
