HA17384 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

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HA17384

High Speed Current Mode PWM Control IC for Switching Power Supply

Hitachi -> Renesas Electronics 

HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP

Electrical Characteristics (cont)

Error Amplifire Part / OVP Part

Item

Symbol Min Typ Max Unit Test Condition

Note

Non-inverting input voltage VFB

Input bias current

I IB

Open loop voltage gain

AVOL

Unity gain bank width

BW

2.42

—

65

0.7

2.50

–0.2

90

1.0

2.58

–2.0

—

—

V

µA

dB

MHz

VCOMP = 2.5 V

VFB = 5.0 V

2.0 V ≤ VO ≤ 4.0 V

Power supply voltage

rejection ratio

PSRR

60 70

—

dB 12 V ≤ VIN ≤ 25 V

Output sink current

Output source current

High level output voltage

Low level output voltage

OVP latch threshold

voltage

IOsink EA

3.0 9.0 —

mA VFB = 2.7 V, VCOMP = 1.1 V

IOsource EA

–0.5 –0.8 —

mA VFB = 2.3 V, VCOMP = 5.0 V

VOH EA

5.5 6.5 7.5 V

VFB = 2.3 V,

RL = 15 kΩ(GND)

VOL EA

— 0.7 1.1 V

VFB = 2.7 V,

RL = 15 kΩ(Vref)

VOVP

6.0 7.0 8.0 V

Increase FB terminal

1

voltage

OVP (FB) terminal input

I FB(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.

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