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R2A20124ASP 데이터시트 PDF




Renesas Technology에서 제조한 전자 부품 R2A20124ASP은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 R2A20124ASP 기능
기능 (R2A20124AFP / R2A20124ASP) Synchronous Phase Shift Full-Bridge Control IC
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R2A20124ASP 데이터시트, 핀배열, 회로
Preliminary Datasheet
R2A20124AFP/R2A20124ASP
REJ03D0928-0200
Synchronous Phase Shift Full-Bridge Control IC Series
Rev.2.00
Aug 03, 2010
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
FP-20DAV
Package Code
PLQP0040JB-C
PRSP0020DD-B
Taping Spec.
2000 pcs./one taping product
2000 pcs./one taping product
2000 pcs./one taping product
2000 pcs./one taping product
REJ03D0928-0200 Rev.2.00
Aug 03, 2010
www.DataSheet.in
Page 1 of 12




R2A20124ASP pdf, 반도체, 판매, 대치품
R2A20124AFP/R2A20124ASP
Preliminary
Pin Functions
LQFP-40
Pin No.
1
2
4
5
6
7
9
13
14
17
18
19
20
22
23
24
27
29
31
33
34
36
37
38
3, 8,
10 to 12,
15, 16,
21, 25,
26, 28,
30, 32,
35, 39,
40
SOP-20
Pin No.
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
Pin Name
DELAY-1
DELAY-2
DELAY-3
SEC-CONT
REMOTE
VREF
VCC
OUT-F
OUT-E
OUT-D
OUT-C
OUT-B
OUT-A
PGND
SGND
GND
RT
SYNC
RAMP-SLP
RAMP
CS
CS-OUT
COMP
FB(–)
SS
N.C.
Input/Output
Input/Output
Input/Output
Input/Output
Input
Input
Output
Input
Output
Output
Output
Output
Output
Output
Input/Output
Input/Output
Input/Output
Input
Input
Output
Output
Input
Output
Pin Function
Delay time adjustor for the full-bridge control signal (OUT-A and B)
Delay time adjustor for the full-bridge control signal (OUT-C and D)
Delay time adjustor for the secondary control signal (OUT-E and F)
Synchronous rectification on/off control
Remote on/off control
5 V/20 mA output
IC power supply input
Secondary control signal
Secondary control signal
Full-bridge control signal
Full-bridge control signal
Full-bridge control signal
Full-bridge control signal
Ground level for the output signal
Ground level for the small signal
Ground
Timing resistor for the oscillator
Synchronization I/O for the oscillator
Ramp sloping adjustor
Ramp waveform set
Current sense signal input for OCP
Current sense information amplifier output
Error amplifier output
Error amplifier negative input
Timing capacitor for soft start
Open
REJ03D0928-0200 Rev.2.00
Aug 03, 2010
www.DataSheet.in
Page 4 of 12

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R2A20124ASP 전자부품, 판매, 대치품
R2A20124AFP/R2A20124ASP
Preliminary
Absolute Maximum Ratings
(Ta = 25°C)
Item
Symbol
Ratings
Unit Note
Power supply voltage
Vcc
20 V 1
Peak output current
Ipk-out
200
mA 2, 3
DC output current
Idc-out
50 mA 3, 4
VREF output current
Iref-out
–20 mA 3
COMP sink current
Isink-comp 2 mA 3
DELAY set current
Iset-delay
0.3 mA 3
RT set current
Iset-rt
0.3 mA 3
RAMP-SLP set current
Iset-ramp-slp
0.3
mA 3
VREF terminal voltage
Vter-ref
–0.3 to +6
V 1, 5
Terminal group 1 voltage
Vter-1
–0.3 to (Vref + 0.3)
V 1, 6
Operating junction temperature
Tj-opr
–40 to +125
°C 7
Storage temperature
Tstg
–55 to +150
°C
Notes: 1. Rated voltages are with reference to the GND or SGND pin.
2. The Rating shows the transient current when driving a capacitive load.
3. For rated currents, inflow to the IC is indicated by (+), and outflow by (–).
4. Total current of OUT-A, Out-B, OUT-C, OUT-D, OUT-E, and OUT-F must be not exceed 90 mA.
5. VREF pin voltage must not exceed VCC pin voltage.
6. Terminal group 1 is defined the pins;
REMOTE, RAMP-SLP, SEC-CONT, CS, RAMP, COMP, CS-OUT, FB(–), SS, RT, SYNC, and DELAY-1 to 3
7. Theramal resistance ja
R2A20124AFP (40-pin); 85.3°C/W Board condition; Glass epoxy 50 mm 50 mm 1.6 mm, 10% wiring density.
R2A20124ASP (20-pin); 120°C/W Board condition; Glass epoxy 40 mm 40 mm 1.6 mm, 10% wiring density.
REJ03D0928-0200 Rev.2.00
Aug 03, 2010
www.DataSheet.in
Page 7 of 12

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R2A20124ASP

(R2A20124AFP / R2A20124ASP) Synchronous Phase Shift Full-Bridge Control IC

Renesas Technology
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