参数资料
型号: MC33701
厂商: 飞思卡尔半导体(中国)有限公司
英文描述: 1.5 A Switch-Mode Power Supply with Linear Regulator(1.5 A开关方式电源,带线性稳压器)
中文描述: 1.5开关模式电源,线性稳压器(1.5 A的开关方式电源,带线性稳压器)
文件页数: 2/24页
文件大小: 841K
代理商: MC33701
33701
2
Go to: www.freescale.com
Figure 1. 33701 Simplified Block Diagram
Logic
+
-
-
Limit
Limit
Amp.
Comp.
UVLO
VBST
VDDI
SW
FREQ
Down
Control
Timer
LFB
SysCon
INV
EN2
0.8V
(2)
EN1
SoftSt
CLKSYN
VIN2
Driver
VBST
+
-
Vref
Vref
Enable
8.0V
VBST
Control
VBD
V
VDDI
LDRV
Vref
LFB
CS
LDO
RT
RESET
VDDI
SDA
SCL
PGND
Reset
VIN1
VIN
BOOT
CLKSEL
VOUT
Power
LCMP
Vref
VDDI
Q2
Q1
(2)
(2)
(4)
ADDR
I
2
C
Interface
I
2
C
Control
I
2
C
Control
VDDI
Supply
VDDI
Reference
Sequencing
Voltage Margining
Watchdog Timer
VBST
Comp.
VOUT
Control
Seq.
300kHz
VBST
V
Control
I-lim
PGND
PWR Seq.
VOUT
Q3
Q4
Control
Buck
+
Thermal
Current
Error
PWM
Reset
POR
SysCon
INV
LS
Buck
HS
&
Power
Boost
VLDO
VDDI
Internal
Bandgap
Voltage
Power
Slope
To Reset
PWR Seq.
Switcher
Oscillator
Regulator
Linear
V
V
V
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
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