MC34704AEP Freescale Semiconductor, MC34704AEP Datasheet - Page 26

• Manufacturer Part Number: MC34704AEP
• Description: IC POWER MANAGEMENT 56-QFN
• Manufacturer: Freescale Semiconductor

Specifications of MC34704AEP

• Applications: Processor
• Current - Supply: 86mA
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-QFN
• Output Voltage: 5 V
• Input Voltage: 2.7 V to 5.5 V
• Switching Frequency: 750 KHz to 2 MHz
• Mounting Style: SMD/SMT
• Number Of Outputs: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 6. Regulator Analysis Table
Table 7. 34704A overall system efficiency 84%
26
34704
FUNCTIONAL DESCRIPTION
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
Pout (W)
Ploss On Chip (W)
Ploss Total (W)
Pin (W)
n (%)
Vin (V)
Vout (V)
Iout_typ (A)
Iout_max (A)
DCR(mΩ)
Cout (μF)
ESR (mΩ)
Fsw (kHz)
Lout (μH)
Iin_typ (A)
Iin_max (A)
ILout_peak (A)
ICout_RMS (A)
Pout (W)
Ploss On Chip (W)
Ploss Total (W)
Pin (W)
n (%)
Overall System
84.00%
3.340
0.369
0.41
3.75
91.90%
REG1
0.154
0.540
0.724
0.212
0.500
0.100
0.500
0.042
0.044
0.544
1500
3.60
5.00
9.00
1.50
230
22
93.12%
REG2
0.005
0.660
0.200
0.500
0.201
0.502
0.510
0.047
0.049
0.709
1500
3.60
3.30
9.00
1.50
230
22
81.48%
REG3
0.150
0.550
0.063
0.209
0.649
0.074
0.180
0.038
0.041
0.221
1500
9.00
1.50
3.60
1.20
230
22
Table 8. 34704B overall system efficiency 89%
85.91%
REG4
0.100
0.300
0.059
0.178
0.444
0.076
0.180
0.028
0.030
0.210
1500
3.60
1.80
9.00
1.50
310
22
93.33%
0.0006
Pout (W)
Ploss On Chip (W)
Ploss Total (W)
Pin (W)
n (%)
REG5
0.150
0.500
0.150
0.501
0.512
0.495
0.034
0.035
0.530
1500
3.60
3.30
9.00
1.50
230
22
60.00%
REG6
0.254
0.304
0.444
0.071
0.050
0.060
0.750
0.135
0.145
0.895
1000
3.60
9.00
4.70
230
15
22
Analog Integrated Circuit Device Data
69.00%
REG7
0.050
0.060
0.107
0.128
0.443
0.129
0.350
0.000
0.027
0.377
1000
3.60
9.00
4.70
230
22
-7
Overall System
Freescale Semiconductor
64.00%
REG8
0.015
0.030
0.077
0.154
0.297
0.043
0.225
0.045
0.047
0.272
1000
89.6%
9.00
4.70
3.60
0.192
0.202
1.942
230
1.74
15
22