參數(shù)資料
型號(hào)： MC33701
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： 1.5 A Switch-Mode Power Supply with Linear Regulator(1.5 A開(kāi)關(guān)方式電源，帶線性穩(wěn)壓器)
中文描述： 1.5開(kāi)關(guān)模式電源，線性穩(wěn)壓器（1.5 A的開(kāi)關(guān)方式電源，帶線性穩(wěn)壓器）
文件頁(yè)數(shù)： 8/24頁(yè)
文件大?。?/td> 841K
代理商： MC33701
33701
8
Go to: www.freescale.com
LINEAR REGULATOR (LDO)
LDO Output Voltage Range
V
IN1
= V
IN2
= 2.8 V to 6.0 V, I
LDO
= 10 mA to 1000 mA
V
LDO
0.8
–
5.0
V
LDO Feedback Voltage, LFB Pin Connected to LDO Pin
V
IN1
= V
IN2
= 2.8 V to 6.0 V, I
LDO
= 10 mA to 1000 mA. Includes Load
Regulation Error
V
LDO
0.784
0.8
0.816
V
LDO Voltage Margining Step Size
V
MLDO
–
1.0
–
%
LDO Line Regulation
V
IN1
= V
IN2
= 2.8 V to 6.0 V, I
LDO
= 1000 mA
REG
LNVLDO
-1.0
–
1.0
%
LDO Load Regulation
I
LDO
= 10 mA to 1000 mA
REG
LDVLDO
-1.0
–
1.0
%
LDO Ripple Rejection, Dropout Voltage V
DO
= 1.0 V, V
RIPPLE
= +1.0 V p-p
Sinusoidal, f = 300 kHz, I
LDO
= 500 mA
V
LDO_RR
–
40
–
dB
LDO Maximum Dropout Voltage (V
IN
- V
LDO
)
V
LDO
= 2.5 V, I
LDO
= 1000 mA
V
DO
–
–
TBD
V
LDO Current Sense Comparator Threshold Voltage (V
CS
- V
LDO
)
V
CSTH
35
45
55
mV
LDO Pin Input Current
I
LDO
1.6
2.0
2.4
mA
LDO Feedback Input Current (LFB Pin)
I
LFB
-5.0
–
5.0
μ
A
LDO Drive Output Current (LDRV
Pin)
I
LDRV
2.0
3.6
5.0
mA
LDO Drive Current Limit (LDRV Pin)
I
DRLIM
–
3.6
–
mA
CS Pin Input Leakage Current
V
CS
= 5.0 V
I
CSLK
50
–
300
μ
A
LDO Error Amplifier Input Impedance (LFB Pin)
R
IN
–
TBD
–
LDO Error Amplifier Output Impedance (LCMP Pin)
R
OUT
–
TBD
–
LDO Pull-Down MOSFET Q4 Current Limit
T
A
= 25°C, V
BST
= 8.0 V (LDO Pin)
I
Q4_LIM
–
-2.0
–
A
LDO Pull-Down MOSFET Q4 R
DS(ON)
I
D
= 1.0 A, T
A
= 25°C, V
BST
= 8.0 V
R
DS(ON)
–
–
1.0
LDO Recommended Output Capacitance
C
LDO
–
10
–
μ
F
LDO Recommended Output Capacitor ESR
ESR
CLDO
–
TBD
–
m
Thermal Shutdown (LDO Pull-Down FET Q4)
T
SD
150
170
190
°C
Thermal Shutdown Hysteresis
T
SDHys
–
15
–
°C
STATIC ELECTRICAL CHARACTERISTICS (continued)
Characteristics noted under conditions -40°C
≤
T
J
≤
125
°
C unless otherwise noted. Input voltages V
IN1
= V
IN2
= 3.3 V using the typical
application circuit (see
Figure 20
) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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