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看看这个吧:
0 y- U9 R+ w2 ^% s: VLT1963AEST-2.5#PBF5 g( L3 L& D* ^8 i" t
1.5A, Low Noise,
' q6 z; j' b- A- L7 r! Q8 XFast Transient Response* A- p6 L3 f: C- v
LDO Regulators
5 e: f9 k% e8 B0 SOptimized for Fast Transient Response+ q. x$ G" w# b. F
Output Current: 1.5A! U. U$ W3 V r
Dropout Voltage: 340mV
0 {5 r7 x2 s8 {Low Noise: 40μVRMS (10Hz to 100kHz)
- {, _, ^! d" C* U4 X3 y' Y( A1mA Quiescent Current q' l3 C% {7 F
No Protection Diodes Needed6 m8 E" Y) E% e5 y% s7 s
Controlled Quiescent Current in Dropout
! c, s1 X" h, [ gFixed Output Voltages: 1.5V, 1.8V, 2.5V, 3.3V/ i; `# j# s/ V$ B) w, I' b4 L
Adjustable Output from 1.21V to 20V) \+ R4 |' M% i1 @
http://cds.linear.com/docs/Datasheet/1963afd.pdf |
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