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EL7535IYZ-T7 Datasheet(PDF) 1 Page - Intersil Corporation |
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EL7535IYZ-T7 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 8 page 1 ® FN7003.2 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-pin MSOP package and is specified for operation over the full -40°C to +85°C temperature range. 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 Pinout and Typical Application Diagram EL7535 (10-PIN MSOP) TOP VIEW Ordering Information PART NUMBER (BRAND) PACKAGE TAPE & REEL PKG. DWG. # EL7535IY (a) 10-Pin MSOP - MDP0043 EL7535IY-T7 (a) 10-Pin MSOP 7” MDP0043 EL7535IY-T13 (a) 10-Pin MSOP 13” MDP0043 EL7535IYZ (BAACA) (Note) 10-Pin MSOP (Pb-free) - MDP0043 EL7535IYZ-T7 (BAACA) (Note) 10-Pin MSOP (Pb-free) 7” MDP0043 EL7535IYZ-T13 (BAACA) (Note) 10-Pin MSOP (Pb-free) 13” 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. * FOR VARIABLE OUTPUT VOLTAGE: VO = 0.8V * (1 + R2 / R1) SGND FB VDD RSI VIN EN LX POR PGND VO 1.8µH VO (1.8V@350mA) C1 POR R2* R1* 124k Ω 100k Ω EN RSI 100k Ω C2 VIN (2.5V-6V) 100k Ω R4 R5 10µF 10µF L1 R6 100k Ω 1 2 3 4 10 9 8 7 5 6 Data Sheet August 16, 2005 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. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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