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LA5657H

Sanyo Semicon Device
Part Number LA5657H
Manufacturer Sanyo Semicon Device
Description System Power-Supply
Published Jul 21, 2010
Detailed Description Ordering number : ENN7596 www.DataSheet4U.com Monolithic Digital IC LA5657H System Power Supply IC for Car AV Systems...
Datasheet PDF File LA5657H PDF File

LA5657H
LA5657H

Overview
Ordering number : ENN7596 www.
DataSheet4U.
com Monolithic Digital IC LA5657H System Power Supply IC for Car AV Systems Overview The LA5657H provides 10 V/2.
2 A and 5 V/1.
4 A external pnp transistor based low-saturation regulators with standby functions, as well as 3.
3 V, 5 V, and 8 V constant voltage, open collector, and VCC linked (VCC 1 V) outputs that can be controlled from serial data (CCB).
It also includes three reset detection circuits for the VDD, ACC, and battery systems.
The LA5657H is an optimal power supply IC for car audio systems and similar products.
Package Dimensions unit: mm 3233A-HSOP28H [LA5657H] 15.
2 (6.
2) 0.
65 0.
25 Ratings 24 Ta ≤ 25°C, independent IC 0.
82 2.
0 –30 to +85 –55 to +150 Ta ≤ 25°C, mounted on a 76.
1 × 114.
3 × 1.
6 mm glass epoxy printed circuit board Unit V W W °C °C 10.
5 4.
9 28 15 Features • Built-in 10 V and 5 V regulators (external pnp transistor required) with standby (on/off) functions • Extensive set of output systems: two 8 V systems, single 5 V, 3.
25 V, and 5 to 9.
7 V (set with an external resistor) systems, four open-collector output systems, and two VCC linked systems.
• Three reset circuits: ACC, VDD (with delay circuit), and BATT • Full complement of protection circuits — Overcurrent protection circuits for all output systems except the open collector and reset circuits — Thermal protection circuits for all outputs except the reset circuits 1 (0.
8) (2.
25) 0.
8 2.
0 7.
9 14 0.
3 2.
45max 0.
1 2.
7 SANYO: HSOP28H (375 mil) Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Conditions Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serio...


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