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2022-10-12 15:59 |
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描述, P# D; }4 I" S* |) c
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.
0 e- A1 d1 E. W5 U7 {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.4 k) r9 ]) d: [
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特性
- f' Y3 J8 I8 ]" d$ H, r• Integrated 80mΩ Power MOSFET
]. ^9 c! P( K• 2V to 24V Input Voltage9 T% i" P6 A) {) U+ l9 W) ~
• 1.2MHz Fixed switching Frequency1 ~2 r4 C: h3 a) Z
• Internal 4A Switch Current Limit3 s. z. ~2 h v
• Adjustable Output Voltage
4 p& P+ k. p+ _' Q" e9 a* e• Internal Compensation
' P- Q- p+ G( U1 x• Up to 28V Output Voltage
5 b% V; l! W2 Q! s• Automatic Pulse Frequency Modulation' [# ?% }7 c- m6 R1 k1 w
Mode at Light Loads" n" l6 L Q( t6 B
• up to 96% Efficiency
' L: w& [ u7 @; B• Available in a 6-Pin SOT23-6 Package
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3 u% k2 W1 l, x) k2 z% T应用 j3 G5 V/ T) ^% B8 a. C3 S
• Battery-Powered Equipment) w! ?: ]$ y+ d! E* b
• Set-Top Boxed- }# o/ y* C$ M. e
• LCD Bais Supply2 O6 W( Q! U6 M! w
• DSL and Cable modems and Routers7 h$ t5 X/ X, {* _8 h
• Networking cards powered from PCI
) ]4 y3 k& _! d' A, H/ n; I8 Y* aor PCI express slots' `% } I' O4 {+ A0 h+ j
% o3 {9 ` _( t$ i. X. `* R" s原理图/ o$ Q. g: c" R- a, l+ Y
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发表于 2022-7-25 14:52
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