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PDF 16666FP Data sheet ( Hoja de datos )
| Número de pieza | 16666FP | |
| Descripción | HA16666FP | |
| Fabricantes | Renesas | |
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HA16666P/FP
600kHz PWM Controlled Switching Regulator
Description
The HA16666P/FP is a voltage mode PWM (pulse width modulation) control IC for switching regulator
control. It can drive a power MOS FET efficiently on 600 kHz. Its stanby current is 0.3 mA (max), and it is
used as the primary control power supply.
Functions
• +5 V reference voltage circuit
• Triangular waveform oscillator
• PWM comparator
• Output circuit (Totem pole output)
• Overcurrent protection circuit (with one-pulselatch mode)
• Undervoltage lockout protectoin circuit
• Soft start and quick shutdown function
• Remote control function
• Comparator with internal 1.3 V reference voltage
Features
• High-speed switching;
tr = 80 ns (15 V amplitude)
tf = 40 ns (15 V amplitude)
• Low power dissipation;
0.3 mA max in standby state
12 mA max in operation state (VIN = 15 V)
• Dual-slope highly accurate dead-band duty setup circuit; Setup accuracy Du = ±3% (max)
• Wide output pulse width control range; 0 to 75%
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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HA16666P/FP
Absolute Maximum Ratings (Ta = 25°C)
Rating
Item
Symbol
HA16666P
HA16666FP
Unit
Power supply voltage
Output current DC
(Push-pull)
Peak
Error input
OSC input voltage
CS input voltage
RM input voltage
RT2 input current
RT1 input current
Power dissipation
Operation temperature
VIN
I O(DC)
I O(peak)
VEI
VOSC
VCS
VRM
I R2
I R1
PT
Topr
+40
100
500*1
Vref
VIN – 3VBE
Vref
VIN
1
1
680*2
–20 to +85
+40
100
500*1
Vref
VIN – 3VBE
Vref
VIN
1
1
680*3
–20 to +85
V
mA
mA
V
V
V
V
mA
mA
mW
°C
Storage temperature
Tstg
–55 to +125
–55 to +125
°C
Notes: 1. Value at 300 ns of switiching time
2. Value at Ta ≤ 45°C. If Ta > 45°C, derated by 8.3 mW/°C
3. Value under the condition of 40 mm × 40 mm × 0.8 t ceramics board epoxy board
Electrical Characteristics (VIN = 15 V, Ta = 25°C, fosc = 300 kHz)
Item
Voltage
reference
Triangular
waveform
oscillator
Output voltage
Line regulation
Load regulation
Temperature stability
Short circuit current
Maximum frequency
Minimum frequency
Frequency accuracy
Voltage stability
Temperature coefficient
of frequency
Symbol
Vref
Line
Load
VRTC
I OS
f max
f min
f der
fT
fi
Min
4.75
—
—
—
10
600
—
–10
—
—
Typ
5.00
50
9
+60
35
—
—
0
1
2
Max
5.25
100
20
—
—
—
1
+10
—
—
Unit Test Condition
V no load
mV VIN = 11 to 40 V
mV IO = 0 to 10 mA
ppm/°C no load
mA Vref = 0 V
kHz CT = 150 pF
kHz CT = 0.15 µF
%
% 11 V≤ VIN ≤ 40 V
% –20°C ≤ Ta
≤ +85°C
5Datasheet pdf - http://www.DataSheet4U.net/
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System Connection Example
Over current protection; Resistance sensing method
HA16666P/FP
RFI filter
11Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet 16666FP.PDF ] | |
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