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參數(shù)資料
| 型號： | MC34701EK |
| 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)： | 6/38頁 |
| 文件大?。?/td> | 739K |
| 代理商： | MC34701EK |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
6
34701
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
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
General
Operating Voltage Range (VIN1, VIN2)
V
IN
2.8
–
6.0
V
Start-Up Voltage Threshold (Boost Switching)
V
ST
–
1.6
1.8
V
VBST Undervoltage Lockout (VBST rising)
V
BST_UVLO
5.5
–
6.5
V
VBST Undervoltage Lockout Hysteresis
V
BST_UVLO_HYS
0.5
–
1.5
V
Input DC Supply Current (Normal Operation Mode, Enabled), Unloaded
Outputs
I
IN
–
60
–
mA
VIN1
Terminal Input Supply Current (EN1 = EN2 = 0)
I
IN1
–
10
–
mA
VIN2 Terminal Input Leakage Current (EN1 = EN2 = 0)
I
IN2
–
100
–
μ
A
VDDI
Internal Supply Voltage
V
DDI
2.9
–
3.3
V
VDDI
Maximum Output Current (Externally Loaded)
I
DDI
–
–
-10
mA
Buck Converter
Buck Converter Feedback Voltage
(6)
,
(7)
IVOUT = 15 mA to 1.5 A. Includes Load Regulation Error
V
INV
0.784
0.800
0.816
V
Buck Converter Voltage Margining Step Size
V
MVO
–
1.0
–
%
Buck Converter Voltage Margining Highest Positive Value
V
MP
5.9
–
7.9
%
Buck Converter Voltage Margining Lowest Negative Value
V
MN
-7.9
–
-5.9
%
Buck Converter Line Regulation
(6)
,
(7)
VIN1 = VIN2 = 2.8 V to 6.0 V, IVOUT = 15 mA to 1.5 A
REG
LNVO
-1.0
–
1.0
%
Buck Converter Load Regulation
(6)
,
(7)
VIN1 = VIN2 = 2.8 V to 6.0 V, IVOUT = 15 mA to 1.5 A
REG
LDVO
-1.0
–
1.0
%
VOUT Input Leakage Current
VOUT = 5.25 V
I
INVOUT
–
3.5
–
mA
INV Input Leakage Current
INV = 0.8 V
I
ININV
-1.0
–
1.0
μA
Notes
6.
7.
Design information only. This parameter is not production tested.
IVOUT refers to load current on output switcher.
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