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2022-10-12 15:59 |
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签到天数: 58 天 [LV.5]常住居民I
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描述+ \. V) X5 j: n" R: k/ P
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. r+ P _4 H" z( {2 H8 R1 z
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.3 [: U4 I5 _5 c4 t
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特性1 d( E( @# {1 S0 M! `
• Integrated 80mΩ Power MOSFET
: K% t" ]3 A3 g$ N: }7 n( b' U• 2V to 24V Input Voltage
6 ]* g2 }% X; ?5 b: z+ u/ v3 R! b• 1.2MHz Fixed switching Frequency2 X# g. n; C, c4 \2 O$ E
• Internal 4A Switch Current Limit
0 `, p% J6 @- u' ^, [% y: W• Adjustable Output Voltage
* F& Y2 C. x( N7 o* C% k% k• Internal Compensation
8 b. x9 h* y: E; G" v2 N& f; J; v• Up to 28V Output Voltage
; V$ a# Z4 m/ b1 B- c9 x' d• Automatic Pulse Frequency Modulation& C7 Z1 F9 X+ h5 J+ z
Mode at Light Loads
0 j A& l% Z5 k• up to 96% Efficiency
" g$ n' L1 c. i5 c• Available in a 6-Pin SOT23-6 Package
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应用9 k9 t7 N- o5 N) {/ }; s
• Battery-Powered Equipment. q) t) }5 W( f' _! I0 Q" |# a6 ^
• Set-Top Boxed8 l% t# H7 z( n7 a$ v5 s
• LCD Bais Supply
) O% u) h/ Y- A* A• DSL and Cable modems and Routers
5 G' M; p' Y/ T* [2 W0 Y2 r3 r• Networking cards powered from PCI
/ w" q9 y4 l+ I! D- [0 {or PCI express slots2 X% I: s0 U. d' ?$ O
, K4 e( x9 g; Y- b7 T原理图1 n8 H' L3 d8 {. N4 A+ h7 f; ^+ A
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发表于 2022-7-25 14:52
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