MCZ34702EWR2 Freescale Semiconductor, MCZ34702EWR2 Datasheet - Page 9

• Manufacturer Part Number: MCZ34702EWR2
• Description: IC PWR SUPPLY 3A SW 32-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MCZ34702EWR2

• Applications: Controller, Power QUICC™ I, II
• Voltage - Input: 2.8 ~ 6 V
• Number Of Outputs: 2
• Voltage - Output: 7.75V, 0.8 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-SOIC (7.5mm Width)
• Output Current: 3 A
• Input Voltage: 2.8 V to 6 V
• Switching Frequency: 300 KHz
• Mounting Style: SMD/SMT
• Duty Cycle (max): 95 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3.
the typical application circuit (see
Analog Integrated Circuit Device Data
Freescale Semiconductor
ERROR AMPLIFIER (BUCK CONVERTER)
OSCILLATOR
BOOST REGULATOR
Notes
Input Impedance
Output Impedance
DC Open Loop Gain
Gain Bandwidth Product
Slew Rate
Output Voltage – High Level
Output Voltage – Low Level
Oscillator Ramp
CLKSYN Pin (open) Low Level Output Voltage
CLKSYN Pin (open) High Level Output Voltage
CLKSYN Pin (grounded) Input Voltage Threshold
Regulator Output Voltage
Power MOSFET Q5 RDS(ON)
Regulator Recommended Output Capacitor
Regulator Recommended Output Capacitor Maximum ESR
11.
12.
13.
14.
CLKSYN Pin Pullup Resistance
Frequency Adjusting Reference Voltage
Characteristics noted under conditions -40°C
VIN1 > 3.3V, IOEA = -1.0mA
IOEA = -1.0 mA
IOL = +1.0mA
IOH = -1.0mA
IBST = 20mA, VIN1 = V
IBD = 500mA, T
Design information only. This parameter is not production tested.
IOEA Refers to Error Amplifier Output Current.
IOL Refers to IO Low Level Threshold Voltage Current
IOH Refers to IO High Level Threshold Voltage Current
(11)
Static Electrical Characteristics (continued)
(11)
(11)
(14)
(13)
(11)
(11),
A
(11)
= 25°C
(12)
(11)
IN2
Characteristic
(11)
= 2.8V to 6.0V
(11),
Figure
(12)
33), unless otherwise noted.
≤
T
A
≤
85°C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3V using
ESRCBST
V
V
V
V
V
Symbol
V
R
V
SCRAMP
SCRAMP
V
OSC_OL
OSC_OH
AVOL
CBST
R
OSC_IH
GBW
V
EA_OH
EA_OL
RPU
DS(ON)
FREQ
SR
OUT
BST
STATIC ELECTRICAL CHARACTERISTICS
- 0.4 V
VDDI
Min
1.2
7.3
60
–
–
–
–
–
–
–
–
–
–
–
–
–
ELECTRICAL CHARACTERISTICS
1.26
Typ
150
200
650
100
2.0
0.4
0.5
0.5
7.7
80
35
10
–
–
–
–
1000
Max
240
0.4
2.0
8.3
–
–
–
–
–
–
–
–
–
–
–
–
MHz
V/µs
Unit
mΩ
mΩ
34702
kΩ
dB
µF
Ω
V
V
V
V
V
V
V
V
V
9