KIT33701DWBEVB Freescale Semiconductor, KIT33701DWBEVB Datasheet - Page 12

• Manufacturer Part Number: KIT33701DWBEVB
• Description: KIT FOR 33701 POWER SUPPLY
• Manufacturer: Freescale Semiconductor
• Type: LDO Controllers & Regulatorsr

Specifications of KIT33701DWBEVB

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 2, Non-Isolated
• Voltage - Input: 2.8 ~ 6V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: MC34701
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: 34701

Table 4.
the typical application circuit (see
12
34701
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
BUCK CONVERTER
OSCILLATOR
Notes
Duty Cycle Range (Normal Operation)
Switching Node SW Rise Time
Switching Node SW Fall Time
Maximum Deadtime
Buck Control Loop Propagation Delay
Soft Start Duration (Power Sequencing Disabled, EN1 = 1, EN2 = 1)
Fault Condition Timeout
Retry Timer Cycle
Oscillator Center Frequency
Oscillator Frequency Range
Oscillator Frequency Adjusting Resistor Range
Oscillator Frequency Adjustment
Oscillator Frequency Adjustment
Oscillator Default Frequency (Switching Frequency), FREQ Pin Open
Oscillator Output Signal Duty Cycle (Square Wave, 180° Out-of-Phase with
the Internal Suitable Oscillator)
Synchronization Pulse Minimum Duration
18.
19.
20.
Characteristics noted under conditions -40°C
VIN = 5.0V, ILOAD = 1.0A
VIN = 5.0V, ILOAD = 1.0A
VINV < 0.8V to VSW > 90% of High Level or VINV > 0.8V to VSW < 10%
of Low Level
RF = 11.3kΩ
RF = 7.0kΩ
RF = 22kΩ
Design information only. This parameter is not production tested.
see Figure 4 for more details
RF is RFREQ
DYNAMIC ELECTRICAL CHARACTERISTICS
(18)
(18)
(18)
(20)
Characteristic
(18)
(18)
(19),
(19),
Figures
(20)
(20)
(18)
(18)
DYNAMIC ELECTRICAL CHARACTERISTICS
(18)
33), unless otherwise noted.
≤
T
A
≤
85°C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3V using
(18)
Symbol
R
t
t
D
t
FAULT
t
f
f
f
f
f
SYNC
t
RISE
FALL
OSC
OSC
FREQ
OSC
OSC
OSC
t
t
RET
OSC
t
t
PD
SS
D
D
Min
200
270
200
400
0.0
7.0
7.0
1.0
70
40
–
–
–
–
–
–
Analog Integrated Circuit Device Data
Typ
350
100
300
300
7.0
17
35
50
10
50
–
–
–
–
–
–
Freescale Semiconductor
Max
800
150
330
400
200
95
15
22
60
–
–
–
–
–
–
–
Unit
kHz
kHz
kHz
kHz
kHz
ms
ms
kΩ
ns
ns
ns
ns
µs
µs
%
%