参数资料
型号: KIT33702DWBEVB
厂商: Freescale Semiconductor
文件页数: 7/39页
文件大小: 0K
描述: KIT FEATURES THE MC34701
标准包装: 1
主要目的: DC/DC,LDO 步降
输出及类型: 2,非隔离
输入电压: 2.8 ~ 6V
稳压器拓扑结构: 降压
频率 - 开关: 300kHz
板类型: 完全填充
已供物品: 板,软件
已用 IC / 零件: MC34702
相关产品: MC34702EKR2CT-ND - IC POWER SUPPLY MCU 3A 32-SOIC
MC34702EKR2TR-ND - IC POWER SUPPLY MCU 3A 32-SOIC
MC34702EK-ND - IC POWER SUPPLY MCU 3A 32-SOIC
ELECTRICAL CHARACTERISTICS
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 = 3.3V using
the typical application circuit (see Figure 33 ), unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
GENERAL
Operating Voltage Range (VIN1, VIN2)
Start-up Voltage Threshold (Boost Switching)
VBST Under-voltage Lockout (VBST rising)
VBST Under-voltage Lockout Hysterisis
Input DC Supply Current (Normal Operation Mode, Enabled), Unloaded
Outputs
VIN1 Pin Input Supply Current (EN1 = EN2 = 0)
VIN2 Pin Input Leakage Current (EN1 = EN2 = 0)
VDDI Internal Supply Voltage
VDDI Maximum Output Current (Externally Loaded)
V IN
V ST
V BST_UVLO
V BST_UVLO_HYS
I IN
I IN1
I IN2
V DDI
I DDI
2.8
5.5
0.5
2.9
1.6
60
10
100
6.0
1.8
6.5
1.5
3.3
-10
V
V
V
V
mA
mA
? A
V
mA
BUCK CONVERTER
Buck Converter Feedback Voltage (7) , (8)
V INV
V
I VOUT = 15mA to 3.0A. Includes Load Regulation Error
0.784
0.800
0.816
Buck Converter Voltage Margining Step Size
Buck Converter Voltage Margining Highest Positive Value
Buck Converter Voltage Margining Lowest Negative Value
Buck Converter Line Regulation
VIN1 = VIN2 = 2.8V to 6.0V, I VOUT = 15mA to 3.0A
V MVO
V MP
V MN
REG LNVO
5.9
-7.9
-1.0
1.0
7.0
7.0
7.9
-5.9
1.0
%
%
%
%
Buck Converter Load Regulation (7) , (8)
REG LDVO
%
VIN1 = VIN2 = 2.8V to 6.0V, I VOUT = 15mA to 3.0A
VOUT Input Leakage Current
VOUT = 5.25V
I VOUTLK
-1.0
3.5
1.0
mA
INV Input Leakage Current
INV LEAK
-1.0
1.0
μA
INV = 0.8V
Notes
7. Design information only. This parameter is not production tested.
8. VOUT refers to load current on output switcher.
34702
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
7
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