LT3477 datasheet(5/26 Pages) AD

5 / 26 page

LT3950

Rev. 0

For more information www.analog.com

TYPICAL PERFORMANCE CHARACTERISTICS

PWM Generator Duty Ratio vs

PWM Pin Voltage

Switching Frequency vs RT

Switching Frequency vs

Temperature

Internal PWM Frequency vs RP

ISP–ISN Full-Scale Threshold vs

CTRL Pin Voltage

ISP–ISN Threshold (Full Scale) vs

Temperature

ISP–ISN Threshold (50% Scale)

vs Temperature

ISP–ISN Threshold (10% Scale)

vs Temperature

ISP–ISN Threshold (ISP = 0V) vs

Temperature

PWM PIN VOLTAGE (V)

0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2

0.5

100

3950 G01

RT (k)

100

1000

0.1

3950 G02

RP (k)

100

1000

0.1

3950 G04

VCTRL (V)

0.4

0.8

1.2

1.6

2.0

–50

100

150

200

250

300

3950 G05

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

240

242

244

246

248

250

252

254

256

258

260

3950 G06

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

115

117

119

121

123

125

127

129

131

133

135

3950 G07

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

3950 G08

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

100

3950 G09

TEMPERATURE (°C)

–50 –30 –10 10 30 50 70 90 110 130 150

1800

1840

1880

1920

1960

2000

2040

2080

2120

2160

2200

3950 G03

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