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2022-10-12 15:59 |
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描述* P* I. \6 G* {. T; I
The SLB628 is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small, low power applications. The SLB628 switches at 1.2MHz and allows the use of tiny, low cost capacitors and inductors 2mm or less in height. Internal soft-start results in small inrush current and extends battery life.+ s9 J$ }/ \3 e6 k- X
The SLB628 features automatic shifting to pulse frequency modulation mode at light loads. The SLB628 includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. The SLB628 is available in a small 6-pin SOT-23 package.
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特性* Y6 g* Z3 w% G' l% a
• Integrated 80mΩ Power MOSFET
) f/ N8 Y# S* p! x4 w6 ~- K9 B$ C: _• 2V to 24V Input Voltage' [# j$ U9 @1 U6 J! T& A
• 1.2MHz Fixed switching Frequency
# v) n! L" d, p! w• Internal 4A Switch Current Limit
% @9 m4 k1 ?% C6 h( V' S2 S4 J& y4 r• Adjustable Output Voltage' @& _, p6 u. b0 k
• Internal Compensation2 l, u5 c. M, w; G3 B
• Up to 28V Output Voltage
6 z& v K4 `+ Z7 H• Automatic Pulse Frequency Modulation
b/ L9 c" V1 F9 V R+ u( M2 ?Mode at Light Loads
& F7 e0 `, L( |7 u, K( H• up to 96% Efficiency
- t3 S" @. i+ U& B• Available in a 6-Pin SOT23-6 Package
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应用$ n$ f3 `) n2 I
• Battery-Powered Equipment& N9 s7 L6 v( {! ?
• Set-Top Boxed
3 f# }5 N) i3 M7 f8 e, _• LCD Bais Supply
/ l% {* U b: s& A• DSL and Cable modems and Routers
' _3 q" T9 T0 W0 w+ @• Networking cards powered from PCI
8 l. J0 }8 G0 U/ m$ r8 Bor PCI express slots" B) K5 J* v+ U, ]' [7 s+ j
* v! [5 T2 g* I原理图
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发表于 2022-7-25 14:52
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