HA17384SRP Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

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HA17384SRP

High Speed Current Mode PWM Control IC for Switching Power Supply

Hitachi -> Renesas Electronics 

HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP

Electrical Characteristics

(The condition is: Ta = 25°C, VIN = 15 V, CT = 3300 pF, RT = 10 kΩ without notice)

Reference Part

Item

Symbol Min

Reference output voltage Vref

4.9

Line regulation

Regline —

Load regulation

Regload —

Output short current

los

–30

Temperature stability

∆Vref

—

Output noise voltage

VN

—

Notes: 1. Reference value for design.

Typ

5.0

20

10

–100

80

Max

5.1

50

25

–180

—

Unit

V

mV

mV

mA

ppm/°C

100 — µV

Test Condition

Io = 1 mA

12 V ≤ VIN ≤ 25 V

–1 mA ≥ Io ≥ –20 mA

Vref = 0V

Io = –1 mA,

–20°C ≤ Ta ≤ 105°C

10 Hz ≤ fnoise ≤ 10 kHz

Note

1

1

Triangular Wave Oscillator Part

Item

Typical oscillating frequency

Symbol Min

fosc Typ 47

Maximum oscillating

frequency

fosc Max 500

Supply voltage dependency of ∆fosc 1 —

oscillating frequency

Temperature dependency of

oscillating frequency

∆fosc 2 —

Discharge current of CT

IsinkCT

7.5

Low level threshold voltage

VTLCT

—

High level threshold voltage

VTHCT

—

Triangular wave amplitude

∆ VCT

—

Notes: 1. Reference value for design.

Typ Max Unit Test Condition

52 57 kHz CT = 3300 pF,

RT = 10 kΩ

— — kHz

±0.5 ±2.0 %

±5.0 — %

12 V ≤ VIN ≤ 25 V

–20°C ≤ Ta ≤ 105°C

8.4 9.3 mA VCT = 2.0 V

1.2 — V

2.8 — V

1.6 — V

∆VCT = VTHCT – VTLCT

Note

1

1

1

1

7

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