MB3893APFT Ver la hoja de datos (PDF) - Fujitsu

Número de pieza

componentes Descripción

Fabricante

MB3893APFT

Power Management IC for Mobile Phone

Fujitsu 

MB3893A

(Continued)

GND current vs. Load current (REG1)

160

158

Ta = +25 °C

VCC = 3.6 V

156 REG 1, 2, 4 = ON

154 REG 3 = OFF

152 ICONT = "H"

150 CONT5 = "L"

148

146

144

142

140

0

20

40

60

80

100

Load current ILOAD (mA)

Output waveform at power supply change (1)

(REG1)

5.5

VCC

5.0

4.5

4.0

Ta = +25 °C

VCC = 5 V 4 V

OUT1 = 36 Ω

ICONT = "H"

3.5

2.50

2.48

OUT1

2.46

2.44

2.42

0 20 40 60 80 100 120 140 160 180 200

t (µs)

Waveform at rapid change of output load (1) (REG1)

2.6

OUT1

2.5

2.4

2.3

2.2

Pk - Pk

132 mV

Ta = +25 °C

VCC = 3.6 V

OUT1 = 0 A −50 mA

ICONT = "H"

3.0

VC

2.0

1.0

0.0

Output waveform at power supply change (2)

(REG1)

5.5

5.0

4.5

VCC

4.0

3.5

Ta = +25 °C

VCC = 4 V 5 V

OUT1 = 36 Ω

ICONT = "H"

2.50

OUT1

2.48

2.46

2.44

2.42

0 20 40 60 80 100 120 140 160 180 200

t (µs)

Waveform at rapid change of output load (1)

(REG1) - time axis enlarged

2.6

OUT1

2.5

Pk - Pk

2.4

Ta = +25 °C 132 mV

2.3

VCC = 3.6 V

OUT1 = 0 A −50 mA

ICONT = "H"

2.2

3.0

VC

2.0

1.0

0.0

0 10 20 30 40 50 60 70 80 90 100

t (µs)

0 2 4 6 8 10 12 14 16 18 20

t (µs)

(Continued)

19

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