TOP232G データシートの表示（PDF） - Power Analog Micoelectronics

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TOP232G

Design Flexible, EcoSmart, Integrated Off-line Switcher

Power Analog Micoelectronics 

TOP232-234

IREM(N)

IUV

IOV

(Enabled)

Output

MOSFET

Switching

(Disabled)

Disabled when supply

IM

output goes out of

regulation

ILIMIT (Default)

Current

Limit

IM

Maximum

Duty Cycle

DCMAX (78.5%)

IM

VBG + VTP

MULTI-

FUNCTION

VBG

Pin Voltage

-250 -200 -150 -100 -50

0

50

100 150 200 250

300

350 400 IM

MULTI-FUNCTION Pin Current (µA)

Note: This figure provides idealized functional characteristics of the MULTI-FUNCTION pin with typical performance values.

Please refer to the parametric table and typical performance characteristics sections of the data sheet for measured data.

PI-2524-081999

Figure 8. MULTI-FUNCTION Pin Characteristics.

CONTROL Pin

240 µA

TOPSwitch-FX

MULTI-FUNCTION Pin

(Negative Current Sense - ON/OFF,

Current Limit Adjustment)

VBG + VT

VBG

(Positive Current Sense - Under-Voltage,

Over-Voltage, Maximum Duty

Cycle Reduction)

400 µA

Figure 9. MULTI-FUNCTION Pin Input Simplified Schematic.

10 B

7/01

PI-2548-092399

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