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本帖最后由 2355368874 于 2022-8-23 09:17 编辑
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: H7 M' f! @' T e6 o( |. b2 kGeneral Description; p) a" `6 t* {& R
The SL1588H is a low EMI signature, asynchronous, step-down, switch-mode converter with internal power MOSFETs.1 n* P+ I8 n8 Q6 l4 o5 T5 Q& D
It offers a very compact solution to provide a 2A continuous current over a wide input supply range, with excellent load
/ L* T2 k3 m n* z6 P2 r5 ?and line regulation. S L158 achieves low EMI signature with well controlLED switching edges. Fault condition8 @ E) j2 c5 E) }0 X( g+ G. ^
protection includes programmable-output over-voltage protection, Constant on time Mode, and thermal shutdown.
4 F+ ~' ^/ C' k8 i2 K; |SL158 8 H requires a minimal number of readily available standard external components. It is available in SOT23-6 package.. I- d+ ~7 F/ R B" W z, m. p: P
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Features1 i& A" v& G" ~$ t
• Wide 4.5V to 36V Operating Input Range
A( l" W5 N0 \8 \) N4 b• 2.0A Continuous Output Current% x/ K" y+ Q" [$ Z/ R2 n) {/ `
• 500KHz Switching Frequency
6 }' C2 z- o& n2 A# ~) D• Short Protection with Hiccup-Mode" F0 q6 N: o& R
• Built-in Over Current Limit
; k$ Z0 t( k) t# b8 T" d! r: [* Q• Programmable Output Over-Voltage Protection
2 A* w4 k& ^& ?& b8 q• DCM Mode for High Efficiency in Light Load! w! ^& j+ k/ v3 c5 w
• Integrated internal Soft-Start) s$ j# t. K3 v% L
• 120/80mΩ Low RDS(ON) Internal MOSFETs! @4 G, r$ E6 y
• Output Adjustable from 0.6V2 Y! h" N$ ~- Z) ~- B& @6 T+ V0 Y
• Low EMI Signature1 y+ Q; P2 b6 A% y
• 99% Duty cycle: R8 `3 p- G$ k( ]. R3 q i% C2 x
• Integrated internal compensation! L2 b6 @& _( j5 N; c3 y" R
• Thermal Shutdown
+ d) q0 s3 x( ?• Available in SOT23-6 Package
! O3 [7 F) h/ r) \$ f/ c6 J& m0 V• Constant on time Mode
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~8 M3 Q/ q! Q2 m, J# d- GApplications
, a' N+ ?" P2 q, N. s) p• Automotive Entertainment
3 G$ O+ S6 A, |• Wireless and DSL modems
, w0 K( F7 C0 y$ E• Computer Entertainment
. {" Y+ ]1 I# x! e! h; j) x• Power Supply for Car Chargers
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Typical Application Circuit% E% v1 w T( W" [4 B
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发表于 2022-8-22 15:53
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