HA16121 データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA16121

Switching Regulator for Chopper Type DC/DC Converter

Hitachi -> Renesas Electronics 

HA16116FP/FPJ, HA16121FP/FPJ

Electrical Characteristics (Ta = 25°C, VIN = 12 V, fOSC = 300 kHz) (cont)

Item

Symbol Min Typ Max Unit Test Conditions

Output

stage

UVL

block

Rise time

Fall time

VIN high-level threshold

voltage

tr

tf

VTUH1

— 70 130 ns

— 70 130 ns

3.3 3.6 3.9 V

CL = 1000 pF (to VIN) *1, *2

CL = 1000 pF (to VIN) *1, *2

VIN low-level threshold

voltage

VTUL1

3.0 3.3 3.6 V

VIN threshold differential

voltage

∆ VTU1

0.1 0.3 0.5 V

∆VTU1 = VTUH1 – VTUL1

Vref high-level threshold

voltage

VTUH2

1.7 2.0 2.3 V

Vref low-level threshold

voltage

VTUL2

1.4 1.7 2.0 V

Vref threshold differential ∆VTU2

voltage

0.1 0.3 0.5 V

∆VTU2 = VTUH2 – VTUL2

ON/OFF

block

ON/OFF pin sink current

IC on-state voltage

IC off-state voltage

ON/OFF threshold

differential voltage

I ON/OFF

VON

VOFF

∆ VON/OFF

— 35

1.8 2.1

1.1 1.4

0.5 0.7

50 µA

2.4 V

1.7 V

0.9 V

ON/OFF pin = 5 V

TIM

TIM pin sink current in

I TIM1

block

steady state

TIM pin sink current at

I TIM2

overcurrent detection

Common Operating current

I IN

block

Off current

I OFF

0

— 10 µA

10 15 20 mA

6.0 8.5 11.1 mA

8.5 12.1 15.7 mA

11.0 15.7 20.5 mA

0

— 10 µA

0

120 150 µA

CL pin = VIN

VTIM = 0.3 V

CL pin = VIN – 0.3 V

VTIM = 0.3 V

CL = 0 pF (to VIN) *1, *2

CL = 500 pF (to VIN) *1, *2

CL = 1000 pF (to VIN) *1, *2

HA16116FP ON/OFF

HA16121FP pin = 0 V

Notes: 1. CL is load capacitor for Power MOS FET’s gate, and CL = 1000 pF to GND in the case of

HA16121 – ch 2.

2. CL in channel 2 of HA16121 is connected to GND.

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