Product Information

BU90007GWZEVK-101

BU90007GWZEVK-101 electronic component of ROHM

Datasheet
Power Management IC Development Tools RECOMMENDED ALT 755-BU90007GWZE2EVK1
Manufacturer: ROHM
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 47.619 ea
Line Total: USD 47.62

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1

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Ships to you between Wed. 22 May to Tue. 28 May

MOQ : 1
Multiples : 1
1 : USD 47.619

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Product
Type
Tool Is For Evaluation Of
Input Voltage
Output Voltage
Output Current
Packaging
Brand
For Use With
Maximum Operating Temperature
Minimum Operating Temperature
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Additional Infomation About Product

Datasheet Single-chip Type with Built-in FET Switching Regulator Series Step-down Switching regulators with Built-in Power MOSFET BU9000xGWZ series General Description Applications The BU9000xGWZ are a high efficiency 6MHz Smart phones, Cell phones, Portable applications, synchronous step-down switching regulator with ultra Micro DC/DC modules, and USB accessories low current PFM mode. It provides up to 1.0A load current and an input voltage Package(s) W(Typ.) x D(Typ.) x H(Max.) range from 3.0V to 5.5V, optimized for battery powered UCSP35L1 1.30mm x 0.90mm x 0.40mm portable applications. BU9000xGWZ has a mode control pin that allows the user to select Forced PWM (Pulse Width Modulation) mode or PFM (Pulse Frequency Modulation) and PWM Typical Application Circuit(s) auto change mode utilized power save operation at light load current. 1.0uH Features VIN LX VOUT Fast transient response 2.35.5V 4.7uF Automatic PFM/PWM operation 4.7uF Forced PWM operation EN FB Internal Soft Start Under voltage lockout Over current protection GND MODE Thermal shutdown Figure 1. Typical Application Circuit(s) Lineup Operating mode Output Part No. Input voltage Switching frequency voltage MODE=L MODE=H BU90002GWZ 3.30V 4.0V to 5.5V 5.4MHz to 6.6MHz Automatic BU90003GWZ 1.20V 2.3V to 5.5V 3.6MHz to 4.4MHz PFM/PWM BU90004GWZ 1.80V 2.3V to 5.5V 4.8MHz to 6.0MHz Forced PWM BU90005GWZ 2.50V 2.3V to 5.5V 5.4MHz to 6.6MHz Forced PFM BU90006GWZ 3.00V 2.3V to 5.5V 5.4MHz to 6.6MHz Automatic PFM/PWM BU90007GWZ 1.25V 2.3V to 5.5V 3.6MHz to 4.4MHz Pin Configuration(s) Pin Description(s) (BOTTOM VIEW) Pin No. Symbol Function A1 VIN Power supply input pin B1 B2 B3 A2 EN Enable pin MODE LX FB A3 GND GND pin B1 MODE Forced PWM mode pin A1 A2 A3 VIN EN GND B2 LX Inductor connection pin B3 FB Feedback voltage input pin Figure 2. Pin Configuration(s) Product structureSilicon monolithic integrated circuit This product is not designed protection against radioactive rays www.rohm.com TSZ02201-0F2F0AG00010-1-2 2012 ROHM Co., Ltd. All rights reserved. 1/23 8.Dec.2014 Rev.005 TSZ2211114001 BU9000xGWZ series Block Diagram(s) L PWM/PFM MODE H PWM MODE MODE B1 VIN A1 2.3 5.5V PWM/PFM TSD UVLO control FB VOUT B3 EN 1.50.47uH Switching - B2 VOUT + Control Logic 4.7uF and LX ERROR COMP Gate Driver VREF EN Frequency H ON SHUTDOWN A2 L OFF control GND A3 Figure 3. Block Diagram(s) Description of Block(s) The BU9000xGWZ are a synchronous step-down DC/DC converter that achieves fast transient response from light load to heavy load by hysteretic PWM control system and current constant PFM control system. PWM control BU9000xGWZ operates by hysteretic PWM control. This scheme ensures fast switching, high efficiency, and fast transient response. When the output voltage is below the VREF voltage, the error comparator output is low to high and turning on P-channel MOSFET until above the VREF voltage and minimum on time. PFM control At light load the regulator and MODE=low, the regulator operates with reduced switching frequency and improves the efficiency.During PFM operation, the output voltage slightly higher than typical output voltage. output PWM mode voltage PFM (constant current) Threshold. Turn off Pch FET PFM Threshold. Turn on Pch FET PFM Mode at Light Load PWM Mode at Moderate to Heavy Loads Figure 4. Operation of PFM mode and PWM mode www.rohm.com TSZ02201-0F2F0AG00010-1-2 2012 ROHM Co., Ltd. All rights reserved. 2/23 TSZ2211115001 8.Dec.2014 Rev.005

HS Compliance

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free

ROHM may also be referenced as

LAPIS Semiconductor
RHE
RHM
ROHM Semicon
ROHM Semiconductor

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