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PDF HA16158P Data sheet ( Hoja de datos )
| Número de pieza | HA16158P | |
| Descripción | PFC & PWM Control IC | |
| Fabricantes | Renesas Technology | |
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HA16158P/FP
PFC & PWM Control IC
ADE-204-072 (Z)
Rev.0
Aug. 2002
Description
The HA16158 is a power supply controller IC combining an AC-DC converter switching controller for
power factor correction and an off-line power supply switching controller. The PFC (power factor
correction) section employs average current mode PWM and the off-line power supply control section
employs peak current mode PWM.
The HA16158 allows the operating frequency to be varied with a single timing resistance, enabling it to be
used for a variety of applications.
The PFC operation can be turned on and off by an external control signal. Use of this on/off function
makes it possible to disable PFC operation at a low line voltage, or to perform remote control operation
from the transformer secondary side.
The PWM controller includes a power-saving function that reduces the operating frequency to a maximum
of 1/64 in the standby state, greatly dewcrewaswin.gDsawtiatcShihneg elots4sU. .com
The PFC section and PWM section are each provided with a soft start control pin, enabling a soft start time
to be set easily.
Features
<Maximum Ratings>
• Supply voltage Vcc: 24 V
• Operating junction temperature Tjopr: –40°C to +125°C
<Electrical Characteristics>
• VREF output voltage VREF: 5.0 V ± 2%
• UVLO start threshold VH: 16.0 V ± 1.0 V
• UVLO shutdown threshold VL: 10.0 V ± 0.6 V
• PFC output maximum duty cycle Dmax-pfc: 95% typ.
• PWM output maximum duty cycle Dmax-pwm: 45% typ.
<Functions>
• Synchronized PFC and PWM timing
• PFC function on/off control
• PWM power-saving function (frequency reduced to maximum of 1/64)
• PWM overvoltage latch protection circuit
• Soft start control circuits for both PFC and PWM
• Package lineup: SOP-16/DILP-16
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HA16158P/FP
Electrical Characteristics
(Ta = 25°C, Vcc = 12 V, RT = 200 kΩ)
Item
Supply
VREF
Start threshold
Shutdown threshold
UVLO hysteresis
Start-up current
Is temperature stability
Operating current
Shunt zenner voltage
Vz temperature stability
Latch current
Output voltage
Line regulation
Symbol
VH
VL
dVUVL
Is
dIs/dTa
Icc
Vz
dVz/dTa
ILATCH
Vref
Vref-line
Min
15.0
9.4
5.2
160
—
5.5
25.5
—
180
4.9
—
Typ
16.0
10.0
6.0
220
–0.3
7.0
27.5
–4
250
5.0
5
Max
17.0
10.6
6.8
280
—
8.5
29.5
—
320
5.1
20
Load regulation
Vref-load — 5
20
Temperature stability
dVref
— 80 —
Oscillator Initial accuracy
fpwm
117 130 143
fpfc 58.5 65 71.5
fpwm temperature stability dfpwm/dTa —
±0.1 —
fpwm voltage stability
Ramp peak voltage
fpwm(line) –1.5 +0.5 +1.5
wVwrawmp.D-Hata—Shee3t.46 U.c4o.0m
Ramp valley voltage
Vramp-L — 0.65 —
CT peak voltage
Vct-H
— 3.2 —
CT valley voltage
Vct-L
1.50 1.60 —
RT voltage
Vrt 0.85 1.00 1.15
Supervisor PFC on voltage
Von-pfc 1.4 1.5 1.6
PFC off voltage
Voff-pfc 1.1 1.2 1.3
PFC on-off hysteresis
dVon-off 0.2 0.3 0.4
Input current
Ipfc-on — 0.1 1.0
PFC OVP set voltage
Vovps-pfc 2.65 2.80 2.95
PFC OVP reset voltage
Vovpr-pfc 2.45 2.60 2.75
PFC OVP hysteresis
dVovp
0.10 0.20 0.30
B+ good voltage
Vb-good 2.25 2.40 2.55
B+ fail voltage
Vb-fail
1.4 1.5 1.6
OVP latch Latch threshold voltage
Vlatch
3.76 4.00 4.24
Latch reset voltage
Vcc-res 6.1 7.1 8.1
Power
saving
for PWM
Power saving on
voltage
Minimum frequency
at light load
Von-save 1.53 1.70 1.87
fpwm-min — 2
—
Note: 1. Reference values for design.
Unit
V
V
V
µA
%/°C
mA
V
mV/°C
µA
V
mV
mV
ppm/°C
kHz
kHz
%/°C
%
V
V
V
V
V
V
V
V
µA
V
V
V
V
V
V
V
V
kHz
Test Conditions
Vcc = 14.8V
*1
IAC = 0A, CL = 0F
Icc = 14mA
Icc = 14mA *1
Vcc = 9V
Isource = 1mA
Isource = 1mA,
Vcc = 12V to 23V
Isource = 1mA to 20mA
Ta = –40 to 125°C *1
Measured pin: PWM-OUT
Measured pin: PFC-OUT
Ta = –40 to 125°C *1
VCC = 12V to 18V
PFC *1
PFC *1
PWM *1
PWM *1
Measured pin: RT
PFC-ON = 2V
Input pin: PFC-FB
Input pin: PFC-FB
Measured pin: PFC-FB
Measured pin: PFC-FB
Input pin: PWM-SS
Measured pin: PWM-COMP
PWM-COMP = 1.5V
Measured pin: PWM-OUT *1
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Rev.0, Aug. 2002, page 5 of 23
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HA16158P/FP
Functional Description
1. UVL Circuit
The UVL circuit monitors the Vcc voltage and halts operation of the IC in the event of a low voltage.
The voltage for detecting Vcc has a hysteresis characteristic, with 16.0 V as the start threshold and 10.0 V
as the shutdown threshold.
When the IC has been halted by the UVL circuit, control is performed to fix driver circuit output low and
halt VREF output and the oscillator.
Vcc
VREF
16.0V
4.5V
10.0V
4.5V
V_CT
(internal signal)
PWM-RESET
(internal signal)
PFC-DT
(internal signal)
PFC-RAMP
(internal signal)
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PWM-OUT
PFC-OUT
Figure 1
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Rev.0, Aug. 2002, page 11 of 23
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