Product Information

BU90008GWZ-E2

BU90008GWZ-E2 electronic component of ROHM

Datasheet
Voltage Regulators - Switching Regulators Step Down Switching Regulator
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 1.0064 ea
Line Total: USD 1.01

2910 - Global Stock
Ships to you between
Tue. 28 May to Thu. 30 May
MOQ: 1  Multiples: 1
Pack Size: 1

 More Buying Options & Price Grid(s)

Availability Price Quantity
2910 - WHS 1


Ships to you between Tue. 28 May to Thu. 30 May

MOQ : 1
Multiples : 1
1 : USD 0.8465
10 : USD 0.7161
100 : USD 0.5808
500 : USD 0.5192
1000 : USD 0.4275
3000 : USD 0.396
6000 : USD 0.396
9000 : USD 0.3925
24000 : USD 0.3804

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Mounting Style
Package / Case
Output Voltage
Output Current
Number of Outputs
Input Voltage MAX
Topology
Input Voltage MIN
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Input Voltage
Operating Temperature Range
Type
Width
Brand
Shutdown
Height
Length
Cnhts
Hts Code
Mxhts
Pd - Power Dissipation
Product Type
Factory Pack Quantity :
Subcategory
Taric
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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. Features Fast transient response Automatic PFM/PWM operation Forced PWM operation Internal Soft Start Under voltage lockout Over current protection 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 BU90005GWZ 2.50V 2.3V to 5.5V 5.4MHz to 6.6MHz Forced PFM Forced PWM BU90006GWZ 3.00V 2.3V to 5.5V 5.4MHz to 6.6MHz BU90007GWZ 1.25V 2.3V to 5.5V 3.6MHz to 4.4MHz Automatic PFM/PWM BU90008GWZ 1.00V 2.3V to 5.5V 3.2MHz to 4.0MHz BU90009GWZ 1.30V 2.3V to 5.5V 3.8MHz to 4.8MHz Pin Configuration(s) Pin Description(s) Pin No. Symbol Function (BOTTOM VIEW) A1 VIN Power supply input pin A2 EN Enable pin A3 GND GND pin B1 MODE Forced PWM mode pin 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. 1/29 TSZ2211114001 7.Jul.2015 Rev.007DatasheetDatasheet BU9000xGWZ series Block Diagram(s) L PWM/PFM MODE H PWM MODE MODE B1 VIN A1 2.35.5V PWM/PFM TSD UVLO control FB B3 VOUT EN 1.50.47uH Switching B2 VOUT Control Logic 4.710uF and LX ERROR COMP Gate Driver VREF EN H ON Frequency 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. Figure 4. Operation of PFM mode and PWM mode www.rohm.com TSZ02201-0F2F0AG00010-1-2 2012 ROHM Co., Ltd. All rights reserved. 2/29 TSZ2211115001 7.Jul.2015 Rev.007

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

ROHM may also be referenced as

LAPIS Semiconductor
RHE
RHM
ROHM Semicon
ROHM Semiconductor

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