Datasheet > R2A20124AFP_11

R2A20124AFP_11

更新时间： 2024-11-21 09:45:59

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
13页	146K
描述
Synchronous Phase Shift Full-Bridge Control IC Series

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R2A20124AFP_11 数据手册

Preliminary Datasheet

R2A20124AFP/R2A20124ASP

Synchronous Phase Shift Full-Bridge Control IC Series

R03DS0031EJ0300

Rev.3.00

Mar 11, 2011

Description

The R2A20124AFP/R2A20124ASP controls a full-bridge phase shift circuit and secondary synchronous rectification.

The R2A20124AFP/R2A20124ASP has adjustable delay time functions which make ZVS of primary side and make

loss of body diode of primary switching device minimal.

The R2A20124AFP/R2A20124ASP is based on HA16163/R2A20121. And RAMP slope compensation circuit is built-

in as an additional function. Also its output driver circuits are improved to enlarge gate drive output voltage swing from

VREF to VCC.

In addition R2A20124AFP has ON/OFF function of synchronous rectification and includes amplifier which detect input

current signal.

Features



Maximum ratings

 Supply voltage Vcc: 20 V

 Operating junction temperature Tj-opr: –40 to +125°C



Electrical characteristics

 VFB feedback voltage VFB(–): 1.25 V  2.0%

 UVLO (Under Voltage Lockout) operation start voltage VH: 8.4 V  0.7 V

 UVLO operation shutdown voltage VL: 8.0 V  0.6 V

 UVLO hysteresis voltage dVUVL: 0.4 V  0.1 V

 Output voltage swing of OUT-A, B, C, D, and E for gate drive: GND to VCC



Functions

R2A20124AFP/R2A20124ASP

 Full-bridge phase-shift switching circuit with adjustable delay times

 Pulse by pulse current limit

 Synchronization I/O for the oscillator

 Ramp sloping adjustor

 Error amplifier built-in

 Soft start function

R2A20124AFP

 Synchronous rectification on/off control

 Remote on/off control

 Amplified output of current sense input voltage: CS



Package lineup

 Pb-free LQFP-40: R2A20124AFP

 Pb-free SOP-20: R2A20124ASP

Ordering Information

Part No.

R2A20124AFP-W0

R2A20124AFP-W5

R2A20124AFP-U0

R2A20124AFP-U5

R2A20124ASP-W0

R2A20124ASP-W5

R2A20124ASP-U0

R2A20124ASP-U5

Package Name

FP-40EV

Package Code

PLQP0040JB-C

Taping Spec.

2000 pcs./one taping product

—

FP-20DAV

PRSP0020DD-B

2000 pcs./one taping product

—

R03DS0031EJ0300 Rev.3.00

Mar 11, 2011

Page 1 of 12

12 3 4 5 6 7...13

中文翻译

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与R2A20124AFP_11相关器件

型号	品牌	获取价格	描述	数据表
R2A20124AFP-U0	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20124AFP-U5	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20124AFP-W0	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20124AFP-W5	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20124ASP	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20124ASP-U0	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20124ASP-U5	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20124ASP-W0	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20124ASP-W5	RENESAS	获取价格	Synchronous Phase Shift Full-Bridge Control IC Series
R2A20131SP	RENESAS	获取价格	Continuous Conduction Mode PFC Control IC

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