參數(shù)資料
型號: MTD20N03HDL
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: 1.5 A Switch-Mode Power Supply with Linear Regulator
中文描述: 1.5開關(guān)模式電源,線性穩(wěn)壓器
文件頁數(shù): 2/38頁
文件大小: 739K
代理商: MTD20N03HDL
Analog Integrated Circuit Device Data
Freescale Semiconductor
2
34701
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
Figure 2. 34701 Simplified Internal Block Diagram
VIN1
VBST
VBD
VIN
VDDI
Internal
Supply
Boost
Control
Bandgap
Voltage
Reference
EN1
EN2
RT
ADDR
SDA
SCL
RST
Power
Sequencing
Voltage Margining
Watchdog Timer
Reset
Control
POR
Timer
Buck
Control
Logic
Buck
HS
and
LS
Driver
Thermal
Limit
I
2
C
Interface
Switcher
Oscillator
300 kHz
Ramp
Gen.
UVLO
Linear
Regulator
Control
ILim
+
-
+
-
+
-
VBST
VREF
VREF
VREF
VREF
VBST
VBST
VBST
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
LDRV
CS
LDO
LFB
LCMP
BOOT
SW
(2)
VIN2
(2)
PGND
(2)
INV
VOUT
GND
FREQ
CLKSYN
CLKSEL
(4)
8.0 V
0.8 V
Reset
Power
Enable
SysCon
I
2
C
Control
SysCon
SoftSt
Power
Down
Current Limit
PWM
Comp
Error
Amp
VLDO
VOUT
To Reset
Control
VOUT
Power
Seq
Power
Seq
I
2
C
Control
Q1
Q2
INV
LFB
Q3
Q4
To Reset
Control
Q5
Q6
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