KIT33701DWBEVB Freescale Semiconductor, KIT33701DWBEVB Datasheet - Page 2

• 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

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