參數(shù)資料
型號: MC34701R2
廠商: 飛思卡爾半導(dǎo)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): 7/38頁
文件大?。?/td> 739K
代理商: MC34701R2
Analog Integrated Circuit Device Data
Freescale Semiconductor
7
34701
STATIC ELECTRICAL CHARACTERISTICS
Buck Converter (continued)
High-Side Power MOSFET Q1 RDS(ON)
(8)
,
(9)
ID = 500 mA, T
A
= 25°C, VBST
= 8.0 V
R
DS(ON)Q1
60
m
Low-Side Power MOSFET Q2 RDS(ON)
(8)
,
(9)
ID = 500 mA, T
A
= 25°C, VBST
= 8.0 V
R
DS(ON)Q2
65
m
Buck Converter Peak Current Limit (High Level)
I
LIMH
-4.0
-2.7
-1.5
A
VOUT Pulldown MOSFET Q3 Current Limit
T
A
= 25°C, VBST
= 8.0 V
I
LIMPQ3
0.75
2.0
A
VOUT Pulldown MOSFET Q3 R
DS(ON)
(9)
ID = 1.0 A, VBST
= 8.0 V
R
DS(ON)PQ3
1.9
Thermal Shutdown (VOUT Pulldown MOSFET Q3)
(8)
T
SD
150
170
190
°C
Thermal Shutdown Hysteresis
(8)
T
HYS
10
°C
Notes
8.
9.
Design information only. This parameter is not production tested.
ID is the MOSFET drain current.
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C
T
A
85
°
C unless otherwise noted. Input voltages VIN1 = VIN2
= 3.3 V using
the typical application circuit (see
Figure 33
) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
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