HA16150T Datasheet, PDF (23/25 Pages) Renesas Technology Corp – High-Speed Current Mode Push-Pull PWM Control IC

HA16150T/P
Application Circuit Example
The following diagram shows a sample application circuit for a push-pull converter with a 48 V input voltage, 3.3 V
output voltage, and 10 A output current.
Vin
+ _C2
C3
48V
47µ/100V 0.1µ
Core : PQ20/16
Bobin : BPQ20/16-1114CP
10T
2T
10T
2T
R10
15k
D3
L1 D1
20V
100µ IS2076A
C10+
C9+
D2
IS2076A 7T
0.1µ
4.7µ
VREF
VCC
16
14
R8
120k
R9
120k
REMOTE ₁₅
REMOTE
Comp.
Vref
Generator
Vref
Good
Vref good
UVL
UVL
SS ₈
C7
1000p
RT ₆
R7
27k CT ₇
C7
1000p
VREF
5µA
1.1V
Vref good
RQ
SQ
SS Comp.
Vref good
SS
Ramp
CT
VREF
SS Ramp
SQ
RQ
TDB
Latch
DQ
CK Q
1/2 Divider
VREF
Vref good
Oscillator
Vcc
RQ
SQ
CS
Latch
VREF
R6
5.1k
INM ₂
R3
5.1k
INP ₁
VREF
400µA
E-Amp.
VREF
3
EOUT
R5
5.1k
CS Comp.
2R
R
(VCOMP-2VF)/3
1.4V
4
CSLIM R1 VREF
15k
C4
R2
0.01µ
12k
Blanking Enable
Comp.
C14
6800p
Photo Coupler
L2
1.5µH
OUT(+)
R14 R18
680 390
R15 R19
1k 2k
C12 R17
0.033µ 3.3k
+
C13
470µ/10V
R16
HA17431VP
5.1k
OUT(–)
22.2V
VREF
300µA
TDB
Comp.
0.5V
Single End
Comp.
10 ^TDB
4V
Vcc
Driver
PGND
Vcc
Blanking
Pulse
IN
R12
11 ^{OUT1 10}
R11
13 ^{OUT2 10}
12 ^PGND
OUT
65ns
CS
5
R4
1k
C5
680p
SGND
9
H5N2001LS
R13
0.15/2W
Rev.3.00 Jan 30, 2007 page 23 of 24