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PDF HA16141FP Data sheet ( Hoja de datos )
| Número de pieza | HA16141FP | |
| Descripción | PFC and PWM Controller | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HA16141P/FP, HA16142P/FP
PFC and PWM Controller
ADE-204-036D (Z)
Preliminary
Rev. 4
Sep. 2001
Description
The HA16141P/FP and the HA16142P/FP are power supply controller ICs combining an AC-DC converter
switching controllers for power factor correction and off-line power supply switching controllers. PFC
(Power factor correction) section employs average current mode PWM and off-line power supply control
section employs peak current mode PWM.
The HA16142P/FP is the change version of HA16141P/FP’s PWM maximum on duty cycle.
The PFC operation can be turned on and off by 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 PFC power supply boosted output voltage is not only fed to an error
amplifier input signal but also fed to as the boost voltage monitor circuit. PG signal is put out if the boost
voltage is out-of-spec.
The PWM controller, which begins operation at the same time as release of the IC’s UVLO (under-voltage
lockout) is suitable for auxiliary power supply use in a multi-output power supply system.
Features
• Synchronized PFC and PWM timing
• Self oscillation with fixed frequency
PFC : 100 kHz (±15 %)
PWM : 200 kHz (±15 %)
• PFC function on/off control
• PFC boosted output voltage monitor
• High-output current gate drivers
PFC driver peak current : ±1.5 A typ.
PWM driver peak current : ±1.0 A typ.
• PWM maximum on duty cycle
72% min (HA16141P/FP)
49.5% max (HA16142P/FP)
1 page  
HA16141P/FP, HA16142P/FP
Absolute Maximum Ratings
(Ta = 25°C)
Item
Symbol
Rating
Unit Note
Supply voltage
Peak PFC-OUT current
V
CC
Ipk-pfc
20
±1.5
V
A3
Peak PWM-OUT current
Ipk-pwm
±1.0
A3
DC PFC-OUT current
Idc-pfc
±0.15
A
DC PWM-OUT current
Idc-pwm
±0.10
A
Terminal voltage
Vi-group1
Vi-group2
−0.3 to VCC
−0.3 to Vref
V4
V5
CAO voltage
Vcao
−0.3 to Veoh-ca
V
PFC-EO voltage
Vpfc-eo
−0.3 to Veoh-pfc
V
PWM-EO voltage
Vpwm-eo
−0.3 to Veoh-pwm
V
PFC-ON voltage
Vpfc-on
−0.3 to +7
V
IAC voltage
Vi-ac
−0.3 to +5
V
IAC current
Ii-ac 0.8
mA
PFC-CS voltage
Vi-cs
−1.5 to +0.3
V
TIM voltage
Vi-tim
−0.3 to +6
V
VREF current
Io-ref
−20
mA
PG voltage
Vo-pg
−0.3 to +7
V
PG current
Io-pg
15
mA
Power dissipation
Operating temperature
PT
Topr
1
−40 to +105
W6
°C
Storage temperature
Tstg
−55 to +150
°C
Junction temperature
Tj
150 °C
Notes: 1. Rated voltages are with reference to the GND pin.
2. For rated currents, inflow to the IC is indicated by (+), and outflow by (−).
3. Shows the transient current when driving a capacitive load.
4. Group1 is the rated voltage for the following pins: PFC-OUT, PWM-OUT
5. Group2 is the rated voltage for the following pins: VREF, PFC-FB, PWM-CS
6. This is the value when the ambient temperature (Ta) is 25°C or below. If Ta exceeds 25°C, the
graph below applies. For the SOP package, this value is based on actual measurements on a
10% wiring density glass epoxy circuit board (40 mm × 40 mm × 1.6 mm).
25°C
105°C
1
0.5
0
−40
−8mW/°C
0 50 100
Ambient temperature Ta (°C)
150
Rev.4, Sep. 2001, page 5 of 18
5 Page 
3. PFC controller status
Precondition: VREF GOOD, Non latched.
PFC-ON 1.5V
1.2V
2.75V
PFC-FB
2.34V
2.60V
PG
HA16141P/FP, HA16142P/FP
1.5V
1.2V
1.70V
2.34V
PFC-OUT
PFC pulses stopped
by PFC-ON,
and PG signal high
PG signal high due to
low PFC-FB voltage
PFC pulses stopped due to
high PFC-FB voltage
(overshoot prevention)
PFC pulses stopped
by PFC-ON,
and PG signal high
PFC pulses stopped
by PFC-ON,
and PG signal high
PG signal high due to
low PFC-FB voltage
Normal
operation
Normal
operation
Normal
operation
Normal
operation
Notes: 1. All numeric values in the figure are typical values.
2. PFC-ON
The HA16141P/FP can perform on/off control of the PFC function using the PFC-ON pin.
If an AC voltage that has undergone primary rectification and has been divided with an external resistance is input,
PFC stoppage is possible in the event of a low input voltage.
On/off control by means of a logic signal is also possible.
3. PFC-FB
The input to this pin is the voltage obtained by dividing the stepped-up PFC output voltage.
The pin voltage is fed back to the PFC control system, and is also used for step-up voltage logic decisions.
This is outlined in the figure below.
Hysteresis
Feedback voltage
2.50V
2.75V
2.34V
Hysteresis
2.60V
1.70V
PFC-OUT pulse stoppage
(Reduction of step-up voltage overshoot)
PG (Power Good) signal is output
(Note 3 is continued on the next page)
Rev.4, Sep. 2001, page 11 of 18
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet HA16141FP.PDF ] | |
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