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HA17384HRP

High Speed Current Mode PWM Control IC for Switching Power Supply

Renesas Electronics 

HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP

Electrical Characteristics

• Reference Part

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

Item

Symbol Min Typ Max Unit

Test Condition

Note

Reference output voltage Vref

4.9

5.0

5.1

V Io = 1 mA

Line regulation

Regline

–

20

50

mV 12 V ≤ VIN ≤ 25 V

Load regulation

Regload

–

10

25

mV –1 mA ≥ Io ≥ –20 mA

Output short current

los

–30 –100 –180 mA Vref = 0V

Temperature stability

∆Vref

–

80

– ppm/°C Io = –1 mA,

1

–20°C ≤ Ta ≤ 105°C

Output noise voltage

VN

–

100

–

µV 10 Hz ≤ fnoise ≤ 10 kHz

1

Note: 1. Reference value for design.

• Triangular Wave Oscillator Part

Item

Symbol

Typical oscillating

fosc Typ

frequency

Maximum oscillating

fosc Max

frequency

Supply voltage

∆fosc 1

dependency of oscillating

frequency

Temperature dependency ∆fosc 2

of oscillating frequency

Discharge current of CT

IsinkCT

Low level threshold voltage VTLCT

High level threshold

voltage

VTHCT

Triangular wave amplitude ∆VCT

Note: 1. Reference value for design.

Min Typ Max

47

52

57

500

–

–

–

±0.5 ±2.0

–

±5.0

–

7.5

8.4

9.3

–

1.2

–

–

2.8

–

–

1.6

–

Unit

kHz

kHz

Test Condition

CT = 3300 pF,

RT = 10 kΩ

%

12 V ≤ VIN ≤ 25 V

% –20°C ≤ Ta ≤ 105°C

mA VCT = 2.0 V

V

V

V

∆VCT = VTHCT – VTLCT

Note

1

1

1

1

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

• Error Amplifire Part / OVP Part

Item

Symbol Min Typ Max Unit

Test Condition

Note

Non-inverting input voltage VFB

2.42 2.50 2.58

V

VCOMP = 2.5 V

Input bias current

IIB

–

–0.2 –2.0

µA VFB = 5.0 V

Open loop voltage gain

AVOL

65

90

–

dB 2.0 V ≤ VO ≤ 4.0 V

Unity gain bank width

BW

0.7

1.0

–

MHz

Power supply voltage

rejection ratio

PSRR

60

70

–

dB 12 V ≤ VIN ≤ 25 V

Output sink current

IOsink EA

3.0

9.0

–

mA VFB = 2.7 V, VCOMP = 1.1 V

Output source current

IOsource EA

–0.5 –0.8

–

mA VFB = 2.3 V, VCOMP = 5.0 V

High level output voltage VOH EA

5.5

6.5

7.5

V

VFB = 2.3 V,

RL = 15 kΩ(GND)

Low level output voltage

VOL EA

–

0.7

1.1

V

VFB = 2.7 V,

RL = 15 kΩ(Vref)

OVP latch threshold

voltage

VOVP

6.0

7.0

8.0

V Increase FB terminal voltage 1

OVP (FB) terminal input

IFB(OVP)

–

30

50

µA VFB = 8.0 V

1

current

OVP latch reset VIN voltage VIN(OVP RES) 6.0

7.0

8.0

V

Decreasing VIN after OVP

1

latched

Note: 1. These values are not prescribe to the HA17384SPS/SRP because OVP function is not included.

Rev.3.00 Jun 15, 2005 page 7 of 28

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