34704 datasheet(26/54 Pages) FREESCALE

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Analog Integrated Circuit Device Data



Freescale Semiconductor

34704

FUNCTIONAL DESCRIPTION

FUNCTIONAL INTERNAL BLOCK DESCRIPTION

Table 6. Regulator Analysis Table

REG1

REG2

REG3

REG4

REG5

REG6

REG7

REG8

Vin (V)

3.60

Vout (V)

5.00

3.30

1.20

1.80

3.30

-7

Iout_typ (A)

0.100

0.200

0.150

0.100

0.150

0.050

0.015

Iout_max (A)

0.500

0.550

0.300

0.500

0.060

0.030

DCR(m

)

230

310

230

Cout (

F)

ESR (m



9.00

Fsw (kHz)

1500

1000

Lout (

H)

1.50

4.70

Iin_typ (A)

0.154

0.201

0.063

0.059

0.150

0.254

0.107

0.077

Iin_max (A)

0.540

0.502

0.209

0.178

0.501

0.304

0.128

0.154

ILout_peak (A)

0.724

0.510

0.649

0.444

0.512

0.444

0.443

0.297

ICout_RMS (A)

0.212

0.005

0.074

0.076

0.0006

0.071

0.129

0.043

Pout (W)

0.500

0.660

0.180

0.495

0.750

0.350

0.225

Ploss On Chip (W)

0.042

0.047

0.038

0.028

0.034

0.135

0.000

0.045

Ploss Total (W)

0.044

0.049

0.041

0.030

0.035

0.145

0.027

0.047

Pin (W)

0.544

0.709

0.221

0.210

0.530

0.895

0.377

0.272

n (%)

91.90%

93.12%

81.48%

85.91%

93.33%

60.00%

69.00%

64.00%

Table 7. 34704A overall system efficiency 84%

Overall System

Pout (W)

3.340

Ploss On Chip (W)

0.369

Ploss Total (W)

0.41

Pin (W)

3.75

n (%)

84.00%

Table 8. 34704B overall system efficiency 89%

Overall System

Pout (W)

1.74

Ploss On Chip (W)

0.192

Ploss Total (W)

0.202

Pin (W)

1.942

n (%)

89.6%

34704 Datasheet(PDF) 26 Page - Freescale Semiconductor, Inc

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