Product Information

RT8075ZQW

RT8075ZQW electronic component of Richtek

Datasheet
Buck Switching Regulator IC Positive Adjustable 0.6V 2 Output 1A 10-WFDFN Exposed Pad
Manufacturer: Richtek
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 0.7169 ea
Line Total: USD 0.72

254 - Global Stock
Ships to you between
Mon. 03 Jun to Thu. 06 Jun
MOQ: 1  Multiples: 1
Pack Size: 1

 More Buying Options & Price Grid(s)

Availability Price Quantity
1127 - WHS 1


Ships to you between
Mon. 03 Jun to Thu. 06 Jun

MOQ : 1
Multiples : 1

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RT8075ZQW
Richtek

1 : USD 0.6345
10 : USD 0.5157
30 : USD 0.4573
100 : USD 0.3989
500 : USD 0.3646
1500 : USD 0.3465

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
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Additional Infomation About Product

RT8075 Dual 1A, 1.25MHz Synchronous Step-Down Converter General Description Features z z z z z 2.5V to 5.5V Input Range The RT8075 is a high efficiency Pulse-Width-Modulated z z z z z 1A Output Current (PWM) dual step-down DC/DC converter. Capable of z z z z z 1.25MHz Fixed Frequency PWM Operation delivering up to 1A output current over a wide input voltage z z z z z 95% Efficiency range from 2.5V to 5.5V, the RT8075 is ideally suited for z z z z z No Schottky Diode Required portable electronic devices that are powered from 1-cell z z z z z 0.6V Reference Allows Low Output Voltage Li-ion battery or from other power sources such as cellular z z z z z Low Dropout Operation : 100% Duty Cycle phones, PDAs, PC WLAN card and hand-held devices. z z z z z Small 10-Lead WDFN Package Three operating modes are available including : PWM z z z z z RoHS Compliant and Halogen Free mode, Low Dropout Mode and shut-down mode. The Internal synchronous rectifier with low R dramatically DS(ON) Applications reduces conduction loss at PWM mode. No external z Portable Instruments Schottky diode is required in practical application. The z Microprocessors and DSP Core Supplies RT8075 enters Low Dropout mode when normal PWM z Cellular Phones cannot provide regulated output voltage by continuously z Wireless and DSL Modems turning on the upper P-MOSFET. The RT8075 enters shut- z PC Cards down mode and consumes less than 0.1A when the EN pin is pulled low. Ordering Information The switching ripple is easily smoothed-out by small RT8075 package filtering elements due to the fixed operating Package Type frequency of 1.25MHz. The RT8075 is available in the QW : WDFN-10L 3x3 (W-Type) WDFN-10L 3x3 package. Lead Plating System G : Green (Halogen Free and Pb Free) Pin Configurations Z : ECO (Ecological Element with Halogen Free and Pb free) (TOP VIEW) Note : 1 10 LX1 EN1 2 9 FB1 GND Richtek products are : 3 8 VIN2 VIN1 4 7 GND FB2 RoHS compliant and compatible with the current require- 11 5 LX2 EN2 ments of IPC/JEDEC J-STD-020. WDFN-10L 3x3 Suitable for use in SnPb or Pb-free soldering processes. Marking Information RT8075GQW RT8075ZQW 38= : Product Code 38 : Product Code YMDNN : Date Code YMDNN : Date Code 38=YM 38 YM DNN DNN DS8075-04 April 2011 www.richtek.com 1 GND 9RT8075 Typical Application Circuit L1 2.2H RT8075 10 LX1 V OUT1 8 V IN1 VIN1 R1 C IN1 C FF1 110k 4.7F 2 C OUT1 FB1 3 10F V IN2 VIN2 R2 C 110k IN2 L2 4.7F 2.2H 5 Chip Enable 1 LX2 V OUT2 EN1 6 R3 EN2 C FF2 110k 4, 9, 7 C OUT2 GND FB2 11 (Exposed Pad) 10F R4 110k Function Block Diagram EN1/EN2 VIN1/VIN2 RS1 OSC & Current Shutdown Limit Control Detector Slope Compensation Current Sense Control Driver LX1/LX2 Error Logic Amplifier PWM FB1/FB2 Comparator RC UVLO & RS2 COMP Power Good Detector GND V REF Functional Pin Description Pin No. Pin Name Pin Function 1 EN1 Chip Enable of Channel 1 (Active High). 2 FB1 Feedback Input of Channel 1. 3 VIN2 Power Supply Input of Channel 2. 5 LX2 Switching Node of Channel 2. 6 EN2 Chip Enable of Channel 2 (Active High). 7 FB2 Feedback Input of Channel 2. 8 VIN1 Power Supply Input of Channel 1. 10 LX1 Switching Node of Channel 1. Ground. The exposed pad must be soldered to a large PCB and 4, 9, 11 (Exposed Pad) GND connected to GND for maximum power dissipation. www.richtek.com DS8075-04 April 2011 2

HS Compliance

Tariff Desc

8504.40.90 POWER SUPPLIES, having BOTH:
(a) input voltages of 176V-246VAC, 47Hz-63Hz single phase OR 200V-230VAC, 50Hz-60Hz single phase
(b) multiple DC output voltages from minus 200 V to positive 200V
TC 9603032

8504.40.90 CHARGERS, ADAPTERS AND INVERTERS, AC/DC OR DC/DC OR DC/AC having ALL of the following:
(a) input voltage NOT less than 10V and NOT greater than 252V
(b) output voltage NOT less than 2V and NOT greater than 252V
(c) wattage NOT less than 40 W and NOT greater than 160W
(d) output current NOT greater than 17A - TC 1021920

8504.50.10 81
(a) designed for use with equipment of 8471
(b) for telecommunication apparatus of 8517 Free

8504.40.90 POWER SUPPLY UNITS, DC AND/OR AC output, complying with AS/NZS 60950 & AS/NZS CISPR 22, having ALL of:
(a) voltage NOT less than 2.5 V and NOT greater than 55V
(b) wattage NOT less than 0.02 W and NOT greater than 105W
(c) current output NOT less than 0.01 amp and NOT greater than 2.5amp
TC 1014564

8504.40.90 POWER SUPPLY MODULES having ALL of the following:
(a) input power at EITHER of the following voltages:
(i) 120VAC/240VAC
(ii) 24VDC /48VDC
(b) output power at EITHER of the following voltages:
(i) 5VDC, +15VDC, -15VDC, and 24VDC field I/O
(ii) 24VDC field I/O only
(c) circuitry monitors
(d) output adjusters
TC 9810001

8504.40.90 POWER SUPPLIES DC having BOTH:
(a) variable voltage NOT exceeding 30V
(b) maximum current output NOT exceeding 25amps
TC 9900597

8504.40.90 CONVERTERS, DC/DC, power output not exceeding 5W, being ANY of:
(a) single in line package
(b) dual in line
(c) surface mount device
TC 9601650

8543.90.20 20 Electronic microassemblies Free

8504.40.30 Static converters
(a) separately housed units, designed to be housed in the same cabinet as the central processing unit of equipment of 8471
(b) for telecommunication apparatus of 8517
60 No Electric current rectifying assemblies Free
63 No Other Free

Richtek may also be referenced as

RCT
Richtek Tech
Richtek Technology
Richtek USA Inc
Richtek USA Inc.

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