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LTC3202

3202fa

VFB Set Point vs Input Supply

(200mV Setting)

VFB Set Point vs Input Supply

(400mV Setting)

VFB Set Point vs Input Supply

(600mV Setting)

VFB vs Load Current

Input Current vs Load Current

Oscillator Frequency vs Supply

Voltage

TYPICAL PERFOR A CE CHARACTERISTICS

INPUT SUPPLY (V)

2.7

0.21

0.20

0.19

3.0

3.3

3.6

3.9

3202 G01

4.2

4.5

ILOAD = 20µA

VD0 = VIN

VD1 = 0V

TA = 85°C

TA = –40°C

TA = 25°C

INPUT SUPPLY (V)

2.7

0.42

0.40

0.38

3.0

3.3

3.6

3.9

3202 G02

4.2

4.5

ILOAD = 40µA

VD0 = 0V

VD1 = VIN

TA = 85°C

TA = –40°C

TA = 25°C

INPUT SUPPLY (V)

2.7

0.63

0.60

0.57

3.0

3.3

3.6

3.9

3202 G03

4.2

4.5

ILOAD = 60µA

VD0 = VD1 = VIN

TA = 25°C, 85°C

TA = –40°C

LOAD CURRENT (mA)

0.8

0.7

0.6

0.5

0.4

0.3

0.2

100

125

150

3202 G04

VD0 = VD1 = VIN

CIN = COUT = CFLY1 = CFLY2 = 1µF

VOUT – VFB = 3.4V

TA = 25°C

VIN = 3V

VIN = 3.2V

LOAD CURRENT (mA)

100

3202 G05

160

140

120

100

VIN = 3.6V

CIN = COUT = CFLY1 = CFLY2 = 1µF

TA = 25°C

VOUT = 4.5V

VOUT = 4V

SUPPLY VOLTAGE (V)

2.7

1.9

1.7

1.5

1.3

1.1

0.9

3.0

3.3

3.6

3.9

3202 G06

4.2

4.5

TA = 85°C

TA = –40°C

TA = 25°C

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