AN8016NSH 데이터 시트보기 (PDF) - Panasonic Corporation

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AN8016NSH

Single-channel 1.8-volt step-up DC-DC converter control IC

Panasonic Corporation 

AN8016NSH

Voltage Regulators

s Usage Notes

• Notes on IC power dissipation

Since the power dissipation in this IC increases proportionally with the supply voltage, applications must be careful

to operate so that the actual power dissipation does not exceed the power dissipation.

Since the output current set by the application circuit flows in the IC during the period corresponding to the output

on duty factor (Du, where Dumax is 0.85), the IC power dissipation P is given by the following formula.

P = (VCC − VBEQ1) × IOUT × Du + VCC × ICC < PD

s Application Notes

[1] Power dissipation for the SSOP010-P-0225 package

PD  Ta

400

386

Glass epoxy printed

circuit board

(50 × 50 × t0.8 mm3)

Rth(j−a) = 259°C/W

300

287

Independent IC

without a heat sink

Rth(j−a) = 348°C/W

200

154

115

100

0

0

25

50

75 85 100

125

150

Ambient temperature Ta (°C)

9

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