rt9229 ETC-unknow, rt9229 Datasheet
rt9229
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rt9229 Summary of contents
Page 1
... Advanced Dual PWM and Dual Linear Power Controller General Description The RT9229 is a 4-in-one power controller optimized for high-performance microprocessor and computer applications. The IC integrates two PWM controllers, a linear regulator and a linear controller as well as monitoring and protection functions into a 28-pin SOP package. The first PWM controller regulates the ...
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... RT9229 Absolute Maximum Ratings Supply Voltage PGOOD, FAULT and GATE Voltage Input, Output or I/O Voltage Ambient Temperature Range Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 sec.) Package Thermal Resistance SOP-28, θ JA Recommended Operating Conditions Supply Voltage Ambient Temperature Range Junction Temperature Range CAUTION: Stresses beyond the ratings specified in “ ...
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... VCC = 12V, V LGATE1 LGATE1 LGATE1 LGATE1 VSEN1 Rising VSEN2 Rising FAULT 4.5V OCSET OCSET VSEN1 Rising VSEN1 Rising Upper/Lower Threshold -4mA PGOOD PGOOD RT9229 Min Typ Max 180 200 225 -- 1.9 -- -2 100 -- 180 230 -- -- 700 -- -2 ...
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... RT9229 Function Block Diagram FB3 _ GATE3 VSEN2 1.26V _ VOUT2 0.25V _ FB4 VCC UGATE2 PHASE2 GATE PWM2 CONTROL PWM COMPEN- COMP2 SATION FB2 1.26V _ VSEN2 2.5V _ 4.3V www.richtek-ic.com.tw 4 OCSET2 LINEAR UNDER 0.3V VOLTAGE LUV 110% _ 90% _ 200µA 115% OC4 OC OC2 0V SOFT-START _ & FAULT ...
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... These pins are connected to the PWM converters’ output voltage. The PGOOD and OVP comparator circuits use these signals to report output voltage status and for over-voltage protection. VSEN2 provides the input power to the integrated linear regulator internal 200µA RT9229 >1V 12V) in the event www.richtek-ic.com.tw 5 ...
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... RT9229 VOUT4 (Pin 16) Output of the linear regulator. Supplies current up to 230mA. GATE3 (Pin 18) Connect this pin to the gate of an external MOSFET or the base of a NPN. This pin provides the drive for the linear controller’s pass transistor. FB3 (Pin 19) Connect this pin to a resistor divider to set the linear controller output voltage ...
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... RT9229 Normal OUT1 Voltage DACOUT 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 INHIBIT 2.10 2.20 2.30 2.40 2.50 2.60 2.70 2.80 2.90 3.00 3.10 3.30 3.30 3.40 3.50 www.richtek-ic.com.tw 7 ...
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... R12 10 + C5-6 2x1µ 1µF 1000pF VCC OCSET1 OCSET1 OCSET2 1.21k 1 PGOOD UGATE2 27 2 UGATE1 PHASE2 26 PHASE1 D1 RT9229 MBR2535CTL 25 15 VSEN2 LGATE1 24 PGND R5 10 FB2 22 3.32K VSEN1 R6 21 FB1 5.11K 18 VID0 GATE3 6 VID1 19 FB3 VID2 R9 VID3 1K 16 VID4 ...
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... Dimensions In Millimeters Min Max 17.704 18.110 7.391 7.595 2.362 2.642 0.330 0.508 1.194 1.346 0.229 0.330 0.102 0.305 10.008 10.643 0.381 1.270 RT9229 Dimensions In Inches Min Max 0.697 0.713 0.291 0.299 0.093 0.104 0.013 0.020 0.047 0.053 0.009 0.013 0.004 ...
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... RT9229 RICHTEK TECHNOLOGY CORP. Headquarter 6F, No. 35, Hsintai Road, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5510047 Fax: (8863)5537749 www.richtek-ic.com.tw 10 RICHTEK TECHNOLOGY CORP. Taipei Office (Marketing) 8F-1, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek-ic.com.tw ...