2002 shor t for m catalog p-13 ?copyright 2001 sipex corporation p description the sp2525 device is a single +3.0v to +5.5v usb super visor y power contr ol switch ideal for self-power ed and bus-power ed universal serial bus (usb) applications. the sp2525 device has low on-r esist - ance (80m typical) and can supply 500ma minimum. the fault cur - r ents ar e limited to 2.0a typical and the flag output pin is available to indicate fault conditions to the usb contr oller . the 1ms soft star t of the sp2525 device will eliminate any momentar y voltage dr op on the upstr eam por t that may occur when the switch is enabled in bus-pow - er ed applications. the ther mal shutdown featur e will pr event per ma - nent damage to the sp2525 device when subjected to excessive cur - r ent loads. the under voltage lockout featur e will ensur e that the sp2525 device will r emain of f unless ther e is a valid input voltage pr esent. sp2525 +3.0v to +5.5v usb p o wer contr ol switc h featur es n compliant to usb specifications n +3.0v to +5.5v input v oltage range n open drain er r or flag output n 2.7v under voltage lockout n 500ma minimum continuous load cur r ent n 1.25a shor t cir cuit cur r ent limit n 140m maximum on- resistance n 80 a on-state supply cur r ent n 1 a shutdown cur r ent n ther mal shutdown n 1ms soft-star t power up n active-high v ersion ?sp2525-1 n active-low v ersion ?sp2525-2 en out out flg gnd nc in nc sp2525 8 7 4 3 2 1 5 6 typical application cir cuit sp2525 out in out en flg gnd r1 100k 1 2 3 4 enable agnd ferrite bead nc nc 8 7 6 5 agnd agnd agnd c1 0.1 m f 2 1 ferrite bead rl cl 2 1 in flg vbus d+ d- gnd usb port sp5301 data control usb contr oller d+ d- or dering infor mation - please consult the factor y for pricing and availability on a t ape-on-reel option. par t number t emper atur e range package t ype sp2525-1en -40 c to +85 c 8-pin nsoic SP2525-2EN -40 c to +85 c 8-pin nsoic
2002 shor t for m catalog p-14 ?copyright 2001 sipex corporation p block diagram in out flg agnd en agnd in oscillator charge pump foldback current sense shutdown uvlo over-temp over current logic reference and temperature sensing figure 3 pin number name description 1 en enable input active high for the sp2525-1 and active low for the sp2525-2. 2 flg fault flag output ?ctive-low , open-drain output. indicates over -cur r ent, uvlo and ther mal shutdown. 3 gnd gr ound refer ence ?upply r etur n. 4 nc no connection. 5 nc no connection. 6, 8 out switch output connect out pins t ogether 7 in supply v oltage (input) sp2525
|