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Número de piezacomponentes Descripciónfabricante
HA16114 Switching Regulator for Chopper Type DC/DC Converter Renesas
Renesas Electronics Renesas
HA16114 Datasheet PDF : 34 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
HA16116FP/FPJ, HA16121FP/FPJ
Features
Wide operating supply voltage range* (3.9 V to 40.0 V)
Wide operating frequency range (600 kHz maximum operation)
Direct power MOS FET driving (output current ±1 A peak in maximum rating)
Pulse-by-pulse overcurrent protection circuit with intermittent operation function (When overcurrent
state continues beyond time set in timer, the IC operates intermittently to prevent excessive output
current.)
Grounding the ON/OFF pin turns the IC off, saving power dissipation. (HA16116: IOFF = 10 µA max.;
HA16121: IOFF = 150 µA max.)
Built-in UVL circuit (UVL voltage can be varied with external resistance.)
Built-in soft start and quick shutoff functions
Note: The reference voltage 2.5 V is under the condition of VIN 4.5 V.
Ordering Information
Hitachi Control ICs for Chopper-Type DC/DC Converters
Channels
Dual
Single
Dual
Product
Number
HA17451
HA16114
HA16120
HA16116
HA16121
Channel
No.
Ch 1
Ch 2
Ch 1
Ch 2
Ch 1
Ch 2
Control Functions
Step-Up Step-Down
Inverting
Output Circuits
Open collector
Totem pole
power MOS FET
driver
Overcurrent
Protection
SCP with timer (latch)
Pulse-by-pulse
current limiter and
intermittent operation
by on/off timer
Rev.2.0, Sep.18.2003, page 2 of 33
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