MC34704AEP Freescale Semiconductor, MC34704AEP Datasheet - Page 13

• 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 4. Static Electrical Characteristics (continued)
values noted reflect the approximate parameter means at T
Analog Integrated Circuit Device Data
Freescale Semiconductor
REGULATOR 8
Notes
Output Voltage Range
Output Accuracy
Feedback Reference Voltage
Feedback Reference Voltage on current regulation mode
Dynamic Voltage Scaling Range
Dynamic Voltage Scaling Step Size
Line/Load Regulation
Continuous Output Current
Over-current Limit (Detected in low side FET)
Short-circuit Current Limit (Detected in the Blocking FET)
Over-current Limit Accuracy
N-CH Switch Power MOSFET R
N-CH Synch. Power MOSFET R
N-CH Shutdown Power MOSFET R
Discharge MOSFET R
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
SW8 Leakage Current (Off State) @25°C
18.
19.
20.
21.
Characteristics noted under conditions 2.7 V ≤ V
Guaranteed by Design
When Battery voltage is higher than 5.0V and VOUT8 is 5.0V, a polarization diode is necessary to achieve accurate output voltage.
Component Calculation on page 39
V
When in Current regulation mode, the Voltage reference is set to 0.230mV to set the maximum current, and it is internally decreased to
achieve a factor of the maximum current passing through the LED string
FB
is 0.6V when the part ist powered up and no DVS is changed. DVS is achieved by modifying V
(18)
DS(ON)
(18)
Characteristic
(18)
(18)
DS(ON)
DS(ON)
DS(ON)
for further details.
IN
≤ 5.5 V, - 20°C ≤ T
A
= 25°C under nominal conditions, unless otherwise noted.
R
R
V
I
R
R
REG
SHORT_ION
I
DS(ON)
DS(ON)
Symbol
DYN_STEP
DS(ON)
DS(ON)
T
SW8_LKG
I
LIM_ION
A
SD-HYS
V
V
I
V
V
T
OUT
OUT
DYN
FB
FB
SD
≤ 85°C, GND = 0 V, unless otherwise noted. Typical
-
-
LN/LD
-
-
-
-
SW
DIS
SY
SH
5.0
Min
-4.0
-1.0
-10
-20
STATIC ELECTRICAL CHARACTERISTICS
-
-
-
-
-
-
-
-
-
-
-
-
-
(19)
ELECTRICAL CHARACTERISTICS
FB
0.600
0.230
1000
Typ
450
450
170
2.5
1.0
1.5
reference.
15
15
70
25
-
-
-
-
-
(20)
(21)
Max
4.0
1.0
1.0
15
10
30
20
-
-
-
-
-
-
-
-
-
-
-
Unit
mΩ
mΩ
mΩ
mA
μA
°C
°C
%
%
%
%
%
Ω
V
V
V
A
A
34704
See
13