KIT33701DWBEVB Freescale Semiconductor, KIT33701DWBEVB Datasheet - Page 2
KIT33701DWBEVB
Manufacturer Part Number
KIT33701DWBEVB
Description
KIT FOR 33701 POWER SUPPLY
Manufacturer
Freescale Semiconductor
Type
LDO Controllers & Regulatorsr
Datasheet
1.MC34701EKR2.pdf
(39 pages)
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
2
34701
INTERNAL BLOCK DIAGRAM
ADDR
VBST
VIN1
SDA
EN2
RST
SCL
VBD
EN1
RT
Q6
Q5
8.0 V
CLKSEL
Interface
Control
I
I
2
2
C
C
Control
Control
Reset
Timer
Boost
POR
VIN
Figure 2. 34701 Simplified Internal Block Diagram
CLKSYN
Oscillator
Switcher
300 kHz
INTERNAL BLOCK DIAGRAM
V REF
V REF
LFB
INV
SysCon
Thermal
FREQ
V REF
Reset
Limit
-
+
VBST
Reference
Bandgap
Voltage
VDDI
Ramp
SysCon
Gen.
Enable
Power
Voltage Margining
Watchdog Timer
Control
SoftSt
I
Sequencing
2
C
Power
GND
Comp
PWM
VDDI
Internal
Supply
VDDI
(4)
Control
Logic
Buck
+
VDDI
-
Current Limit
V REF
VDDI
VLDO
Power
VOUT
Down
VDDI
Error
Amp
Power
Regulator
+
UVLO
VBST
-
Seq
Control
Linear
VBST
Analog Integrated Circuit Device Data
Driver
I Lim
Buck
Power
and
HS
LS
Seq
0.8 V
VOUT
To Reset
To Reset
Control
Control
VBST
Freescale Semiconductor
Q4
Q3
Q1
Q2
(2)
(2)
(2)
VDDI
CS
SW
LDRV
LDO
VIN2
LFB
BOOT
PGND
INV
VOUT
LCMP