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HA16114 Ver la hoja de datos (PDF) - Renesas Electronics

Número de piezacomponentes Descripciónfabricante
HA16114 Switching Regulator for Chopper Type DC/DC Converter Renesas
Renesas Electronics Renesas
HA16114 Datasheet PDF : 34 Pages
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HA16116FP/FPJ, HA16121FP/FPJ
Overall Waveform Timing Diagram (for Application Examples (1))
12 V
VIN
0V
VTIM,
VON/OFF
2.8 V
2.1 V
VTIM,
VON/OFF
2.1 V
1.4 V
0V
(V)
3.0
2.0
VE/O,
VCT,
VDB
1.0
On
VE/O
VCT
triangle wave
On
On
On
On
Off Off Off Off
Off
VDB
0.0
12 V
VCL
11.8 V
0V
VOUT*1 12 V
PWM
pulse 0 V
DC/DC output
(example for
positive
voltage)
Pulse-by-pulse
current limiter
operates
IC operation
states
Power IC on
supply on
Soft start
Steady-state
operation
Overcurrent
detected;
intermittent
operation
Overcurrent
cleared;
steady-state
operation
Quick
shut-off
Power supply off,
IC off
Note: 1.This PWM pulse is on the step-down/inverting control channel.
The booster control channel output consists of alternating L and H of the IC ÒonÓ cycle.
Rev.2.0, Sep.18.2003, page 30 of 33
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