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EL7535IY-T7 Datasheet(PDF) 1 Page - Intersil Corporation |
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EL7535IY-T7 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 9 page 1 ® FN7003.5 EL7535 Monolithic 350mA Step-Down Regulator The EL7535 is a synchronous, integrated FET 350mA step- down regulator in a MSOP10 package. The regulator is internally compensated, which makes it possible to use just five tiny external components to form a complete DC/DC converter. The regulator operates with an input voltage range from 2.5V to 6V, which accommodates supplies of 3.3V, 5V, or a Li-Ion battery source. The output can be externally set from 0.8V to VIN with a resistive divider. The EL7535 features PWM mode control. The operating frequency is typically 1.4MHz. Additional features include <1µA shut-down current, short-circuit protection, and over- temperature protection. The EL7535 is available in the 10 Ld MSOP package and is specified for operation over the full -40°C to +85°C temperature range. Pinout EL7535 (10 LD MSOP) TOP VIEW Features • Extremely small 350mA DC/DC converter • Max height 1.1mm MSOP10 package • Possibly uses only five tiny external components with fixed output • Power-On-Reset output (POR) • Internally-compensated voltage mode controller • Up to 94% efficiency • <1µA shut-down current • Overcurrent and over-temperature protection • Pb-free plus anneal available (RoHS compliant) Applications • PDA and pocket PC computers • Bar code readers • Cellular phones • Portable test equipment • Li-Ion battery powered devices • Small form factor (SFP) modules Typical Application Diagram EL7535 (10 LD MSOP) TOP VIEW Ordering Information PART NUMBER (BRAND) PART MARKING TAPE & REEL PACKAGE PKG. DWG. # EL7535IY a - 10 Ld MSOP MDP0043 EL7535IY-T7 a 7” 10 Ld MSOP MDP0043 EL7535IY-T13 a 13” 10 Ld MSOP MDP0043 EL7535IYZ (Note) BAACA - 10 Ld MSOP (Pb-free) MDP0043 EL7535IYZ-T7 (Note) BAACA 7” 10 Ld MSOP (Pb-free) MDP0043 EL7535IYZ-T13 (Note) BAACA 13” 10 Ld MSOP (Pb-free) MDP0043 NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. SGND FB VDD RSI VIN EN LX POR PGND VO 1 2 3 4 10 9 8 7 5 6 * VO = 0.8V * (1 + R1 / R2) 1.8µH C1 C2 10µF L1 0.1µF C3 (2.5V to 5.5V) VS 10µF (1.8V @ 350mA) R1* R2* 124k Ω 100k Ω VIN VDD LX FB RSI EN POR PGND SGND R4 100kΩ R5 100kΩ 100k Ω R6 EL7535 VO VO R3 100Ω 470pF C4 Data Sheet July 13, 2006 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2004, 2005, 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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