ha16666fp Renesas Electronics Corporation., ha16666fp Datasheet

no-image

ha16666fp

Manufacturer Part Number
ha16666fp
Description
600khz Pwm Controlled Switching Regulator
Manufacturer
Renesas Electronics Corporation.
Datasheet
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
Features
+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
High-speed switching;
Low power dissipation;
Dual-slope highly accurate dead-band duty setup circuit; Setup accuracy Du = ±3% (max)
Wide output pulse width control range; 0 to 75%
tr = 80 ns (15 V amplitude)
tf = 40 ns (15 V amplitude)
0.3 mA max in standby state
12 mA max in operation state (V
600kHz PWM Controlled Switching Regulator
HA16666P/FP
IN
= 15 V)

Related parts for ha16666fp

ha16666fp Summary of contents

Page 1

PWM Controlled Switching Regulator Description The HA16666P/ 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), ...

Page 2

... V typ IN Two input threshold voltage for overcurrent protection cmparator; fixed voltage (1.3 V) variable voltage Double pulse output protection by overcurrent protection circuit with one-pulse latch mode Wide input supply voltage range; V Ordering Information Type HA16666P HA16666FP Package DP-16 FP-16DA ...

Page 3

Pin Arrangement OSC Out Pin Functions Pin No. Symbol 1 E OSC Out 7 GND 8 N.C 9 N.C 10 OUT Vref ...

Page 4

HA16666P/FP Block Diagram + 1 E OSC Out 6 7 GND N Over- PWM current comparator detector – S S/R R Flip-flop Comparator 1.3 V Reference ...

Page 5

... RTC — 600 — — max f — — 1 min f –10 0 +10 der f — 1 — — 2 — i HA16666P/FP HA16666FP Unit +40 V 100 mA 1 500* mA Vref V V – Vref 680* mW –20 to +85 C –55 to +125 C ...

Page 6

HA16666P/FP Electrical Characteristics (V Item PWM Maximum duty cycle comparator Input bias current Low-level threshold voltage High-level threshold voltage Dead-band duty accuracy Dead-band duty input voltage stability Temperature coefficient of dead-band duty Overcurrent Input bias current detector Common-mode input voltage ...

Page 7

FE Waveform Timing V IN Remote control input – INV + -N.INV Overcurrent detection signal E/I Triangular waveform Output A Vref 2SD667 ...

Page 8

HA16666P/FP Characteristic Curves Vref Output Voltage vs. Temperature 5.10 5.00 4.90 4.80 – Ambient Temperature Soft Start Time vs. Soft Start Capacitance 1 0.8 0.6 0.4 0 ...

Page 9

V Bias Point IN 10 Back-up supply voltage 5 Quick shutdown area Under voltage lockout Soft start area HA16666 7 1 (V) IN HA16666P/ 330 ...

Page 10

HA16666P/FP Formula for the oscillation frequency HA16666 Vref OSC Out HA16666 summary formula of the oscillation ferquency log (f) a log ( ...

Page 11

System Connection Example Over current protection; Resistance sensing method RFI filter HA16666P/FP 11 ...

Page 12

HA16666P/FP Over current protection; Current transformer method 12 RFI filter ...

Page 13

Over current protection; Current transformer method RFI filter HA16666P/FP 13 ...

Page 14

HA16666P/FP Package Dimensions 20.00 Max 16 1 1.11 Max 2.54 0.25 10.06 10.5 Max 16 1 0.80 Max 1.27 *0.42 0.08 0.40 0.06 *Dimension including the plating thickness Base material dimension 14 19. 1.3 0.48 0.10 0 – ...

Page 15

Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise ...

Related keywords