HA17384HRP Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

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HA17384HRP

High Speed Current Mode PWM Control IC for Switching Power Supply

Hitachi -> Renesas Electronics 

HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP

Electrical Characteristics (cont)

UVL Part

Item

Threshold voltage for

high VIN level

Threshold voltage for

low VIN level

VIN UVL hysteresis voltage

Symbol

VTH UVL

VTL UVL

VHYS UVL

Vref UVL threshold voltage

VT Vref

Notes: 1. For the HA17384S/H.

2. For the HA17385H.

Min

14.5

7.6

9.0

6.8

5.0

0.6

4.3

Typ

16.0

8.4

10.0

7.6

6.0

0.8

4.7

Max

17.5

9.2

11.0

8.4

7.0

1.0

Vref

Unit

V

V

V

V

V

V

V

Test Condition

Turn-ON voltage

when VIN is rising

Minimum operating

voltage after turn-ON

V = V – V HYS UVL

TH UVL

TL UVL

Voltage is forced toVref

terminal

Note

1

2

1

2

1

2

Total Characteristics

Item

Symbol Min Typ Max Unit Test Condition

Note

Operating current

Standby current

Current of latch

Power supply zener

voltage

I IN

I STBY

I LATCH

VINZ

7.0

10.0

13.0 mA

CL = 1000 pF, VFB = VCS = 0 V

120

170

230 µA

Current at start up

200

270

340 µA

VFB = 0 V after VFB = VOVP

1, 2

31

34

37

V

IIN + 2.5 mA

Overheat protection TjTSD

—

160 —

°C

3, 4

starting temperature

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

2. VIN = 8.5 V in case of the HA17384H.

2. These values are not prescribe to the HA17384SPS/SRP because TSD function is not included.

4. Reference value for design.

10

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