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General Description
4 S" H+ k% J( M# sThe SL4007 is boost topology switching regulator for wide operating voltage applications. It
) R* K5 |7 A# s6 \provides built-in gate driver pin for driving external N-MOSFET. The non-inverting input of error- a3 o' R- o% v' s+ d% b
amplifier connects to a 1.2V precision reference voltage. It has programmable switching frequency set3 L' [' k% V' z# D! [( K
by external resistor, and programmable inductor peak current limit connects a resistor from CS to GND.
9 d8 c1 V* Z, y M4 @1 eCurrent mode control and external compensation network make is easy and flexible to stabilize the& }! s0 E5 D5 S1 m) X
system.
/ _8 r% j% q- x }( EThe SL4007 is available in the small footprint SOP-8L(EP) package to fit in space-saving PCB
, O+ z' _4 H. M6 }: w8 vlayout for application fields." x8 F |& R4 @/ s/ Z$ s" o
Features& D: T! G0 A9 e2 m8 O$ w& Q
Start-up Voltage: 2.8V& }2 l2 J6 Q# _+ @" D, z n9 B
Wide Supply Voltage Operating Range: 5V to 24V- ~ J' H# f5 l/ T4 h
Precision Feedback Reference Voltage: 1.2V (±2%)3 q+ U" X* d) B* n6 s
Shutdown Current: <3μA0 f2 c# G& e$ b+ x( _
Programmable Switching Frequency: 100KHz~1000KHz
* z; s9 W. ]+ t2 T! e Input Under Voltage Protection(UVP): |4 [- y9 O6 c" @' R
Switching MOSFET Over Current Protection (OCP)6 T( T ?/ u7 Y1 X1 `( Y3 a
Over Temperature Protection (OTP)4 _3 W% z# }4 X5 ]# b+ c' T; b
Package: SOP-8L(EP)- Y2 T1 ^( b+ q/ s \
Applications
3 `2 n2 r4 u" n0 h5 P, a Chargers
! f& M$ x2 x$ \ LCD Displays1 c. Q4 \' p! f/ Z
Handheld Devices
' W: a6 G9 [( M- |" d Portable Products
" _( l7 E# l' R- Z) D- r Power Bank
3 w( a4 D* d/ m: `* {1 lTypical Application Circuit: i0 u# k6 I8 ?) A+ T
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发表于 2021-7-23 14:47
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