M51996AP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M51996AP

SWITCHING REGULATOR CONTROL

MITSUBISHI ELECTRIC  

MITSUBISHI (Dig./Ana. INTERFACE)

M51996AP/FP

SWITCHING REGULATOR CONTROL

ELECTRICAL CHARACTERISTICS (VCC=18V, Ta=25°C, unless otherwise noted)

Block Symbol

Parameter

VCC

Operating supply voltage range

VCC(START) Operation start up voltage

VCC(STOP) Operation stop voltage

Test conditions

Limits

Unit

Min. Typ. Max.

Vcc(STOP)

30

V

15.2 16.2 17.2 V

9.0

9.9 10.9

V

∆Vcc

Vcc(START),Vcc(STOP) difference

∆Vcc=Vcc(START) -Vcc(STOP)

5.0

6.3 7.6

V

IccL

Stand-by current

IccO

Operating circuit current

IccOVP Circuit current in OVP state

IFBMIND

IFBMAXD

∆IFB

VFB

RFB

VTHOVPH

∆VTHOVP

ITHOVP

IINOVP

VCCOVPC

VCC(STOP)

-VCCOVPC

ITHOVPC

Current at 0% duty

Current at maximum duty

Current difference between max and 0% duty

F/B terminal voltage

OVP terminal resistance

OVP terminal H threshold voltage

OVP terminal hysteresis voltage

OVP terminal threshold current

OVP terminal input current

OVP reset supply voltage

Difference supply voltage between

operation stop and OVP reset

Current from OVP terminal for

OVP reset

Vcc=14.5V,Ta=25°C

Vcc=14.5V,-30≤Ta≤85°C

Vcc=15V,f=188kHz

Vcc=30V,f=188kHz

Vcc=25V

Vcc=9.5V

F/B terminal input current

F/B terminal input current

∆IFB=IFBMIND-IFBMAXD

F/B terminal input current=0.95mA

∆VTHOVP=VTHOVPH-VTHOVPL

VOVP=400mV

OVP terminal is open.

(high impedance)

Vcc=30V

Vcc=18V

65 100 150

50

100 200

µA

7.3

11

8

12

17

19

mA

1.3

2.0

3.0

mA

140 210 320 µA

-2.1 -1.5 -1.0 mA

-0.9 -0.6 -0.4 mA

-1.35 -0.99 -0.70 mA

4.9 5.9 7.1

V

420 600 780

Ω

540 750 960 mV

30

mV

80 150

250 µA

80 150 250 µA

7.5 9.0 10.0 V

0.55 1.20

V

-480 -320 -213

-210 -140 -93

µA

VTHCLM+

IINCLM+

TPDCLM+

fOSC

CLM+ terminal threshold voltage

CLM+ terminal current

Delay time from CLM+ to VOUT

Oscillating frequency

TDUTY

VOSCH

VOSCL

Maximum ON duty

Upper limit voltage of oscillation waveform

Lower limit voltage of oscillation waveform

VCLM+=0V

RON=20kΩ,ROFF=17kΩ

CF=220pF,-5≤Ta≤85°C

RON=20kΩ,ROFF=17kΩ

CF=220pF

180 200 220 mV

-280 -200 -140 µA

100

ns

170 188 207 kHz

47

50

53

%

3.97 4.37 4.77 V

1.76 1.96 2.16

V

∆VOSC

Voltage difference between upper limit and

lower limit of OSC waveform

2.11 2.41 2.71

V

VT-ON T-ON terminal voltage

RON=20kΩ

3.8

4.5 5.4

V

VT-OFF T-OFF terminal voltage

ROFF=17kΩ

2.9

3.5 4.2

V

fOSCSOFT

ISOFTIN

Oscillating frequency during

SOFT operation

SOFT terminal input current

VSOFT=5.5V

VSOFT=2.5V

VSOFT=0.2V

RON=20kΩ,ROFF=17kΩ

CF=220pF

VSOFT=1V

170 188 207

111 131 151 kHz

19.0 23.3 27.0

-0.5 -0.1

µA

ISOFDIS SOFT terminal discharging current

Discharge current of SOFT terminal at

Vcc less than Vcc(STOP)

1

3.3

mA

VREG Regulator output voltage

6.8 7.8 8.8

V

VOL1

VOL2

VOL3

Output low voltage

Vcc=18V,Io=10mA

Vcc=18V,Io=100mA

Vcc=5V,Io=1mA

0.04 0.4

V

0.7

1.4

V

0.85 1.0

V

VOL4

VOH1

VOH2

TRISE

Output high voltage

Output voltage rise time

Vcc=5V,Io=100mA

Vcc=18V,Io=-10mA

Vcc=18V,Io=-100mA

1.3

2.0

V

16.0 16.7

V

15.5 16.5

V

60

ns

TFALL Output voltage fall time

40

ns

VDET Detection voltage

2.4 2.5 2.6

V

IINDET DET terminal input current

VDET=2.5V

1.0

3.0

µA

GAVDET Voltage gain of detection amp

30

40

dB

( 3 / 22 )

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