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參數(shù)資料
| 型號： | PC33701DWB |
| 廠商： | MOTOROLA INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO32 |
| 封裝： | PLASTIC, SOIC-32 |
| 文件頁數(shù)： | 21/24頁 |
| 文件大?。?/td> | 647K |
| 代理商： | PC33701DWB |
33701
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
6
STATIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions -40°C ≤ TJ ≤ 125°C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3 V using the typical
application circuit (see Figure 20) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
GENERAL
Operating Voltage Range (VIN1, VIN2)
VIN
2.8
–
6.0
V
Start-Up Voltage Threshold (Boost Switching)
VST
–1.6
1.8
V
VBST Undervoltage Lockout
VBST_UVLO
–6.0
–
V
Input DC Supply Current (Normal Operation Mode, Enabled)
IIN
–60–
mA
VIN1 Pin Input Supply Current (EN1 = EN2 = 0)
IIN1
–9.0
–
mA
VIN2 Pin Input Leakage Current (EN1 = EN2 = 0)
IIN2
–TBD
–
A
VDDI Internal Supply Voltage
VDDI
3.0
–
3.3
V
VDDI Maximum Output Current
IDDI
–TBD
–
A
BUCK CONVERTER
Buck Converter Output Voltage Range
IVOUT = 15 mA to 1.5 A, VIN1 = VIN2 = 2.8 V to 6.0 V
VOUT
0.8
–
5.0
V
Buck Converter Feedback Voltage
IVOUT = 15 mA to 1.5 A, VIN1 = VIN2 = 2.8 V to 6.0 V. No RB Resistor.
Includes Load Regulation Error
VINV
0.784
0.8
0.816
V
Buck Converter Voltage Margining Step
VMVO
–1.0
–
%
Buck Converter Line Regulation
VIN1 = VIN2 = 2.8 V to 6.0 V, IVOUT = 1.5 A
REGLNVO
-1.0
–
1.0
%
Buck Converter Load Regulation
IVOUT = 15 mA to 1.5 A
REGLDVO
-1.0
–
1.0
%
VOUT Input Leakage Current
VOUT = 5.0 V
IVOUTLK
–TBD
–
A
High-Side Power MOSFET Q1 RDS(ON)
ID = 1.0 A, TA = 25°C, VBST = 8.0 V
RDS(ON)
––
50
m
Low-Side Power MOSFET Q2 RDS(ON)
ID = 1.0 A, TA = 25°C, VBST = 8.0 V
RDS(ON)
––
50
m
Buck Converter Peak Current Limit (High Level)
IH_LIM
1.65
2.25
3.0
A
Buck Converter Valley Current Limit (Low Level)
IL_LIM
0.825
1.125
1.45
A
VOUT Pull-Down MOSFET Q3 Current Limit
TA = 25°C, VBST = 8.0 V
IQ3_LIM
–2.0
–
A
VOUT Pull-Down MOSFET Q3 RDS(ON)
ID = 1.0 A, TA = 25°C, VBST = 8.0 V
RDS(ON)
––
1.0
Thermal Shutdown (Switcher, VOUT FET)
TSD
150
170
190
°C
Thermal Shutdown Hysteresis
TSDHys
–15–
°C
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