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參數(shù)資料
| 型號(hào)： | MCZ34701EWR2 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | 1.5A Switch-Mode Power Supply with Linear Regulator |
| 中文描述： | 1.5A的開關(guān)模式電源，線性穩(wěn)壓器 |
| 文件頁數(shù)： | 10/39頁 |
| 文件大?。?/td> | 528K |
| 代理商： | MCZ34701EWR2 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
10
34701
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
LINEAR REGULATOR (LDO)
LDO Feedback Voltage
(16)
VIN1 = VIN2 = 2.8V to 6.0V, ILDO = 10mA to 1000mA. Includes Load
Regulation Error
V
LFB
0.784
0.800
0.816
V
LDO Voltage Margining Step Size
V
MLDO
–
1.0
–
%
LDO Voltage Margining Highest Positive Value
V
MP
5.9
–
7.9
%
LDO Voltage Margining Lowest Negative Value
V
MN
-7.9
–
-5.9
%
LDO Line Regulation
(16)
VIN1 = VIN2 = 2.8V to 6.0V, ILDO = 1000mA
REG
LNVLDO
-1.0
–
1.0
%
LDO Load Regulation
(16)
ILDO = 10mA to 1000mA
REG
LDVLDO
-1.0
–
1.0
%
LDO Ripple Rejection, Dropout Voltage
(16)
VDO = 1.0V, VRIPPLE
= +1.0V p-p
Sinusoidal, f = 300kHz, ILDO = 500mA
(15)
V
LDO_RR
–
40
–
dB
LDO Maximum Dropout Voltage (VIN - VLDO), using IRL2703
(16)
VLDO = 2.5V, ILDO = 1000mA
V
DO
–
50
75
mV
LDO Current Sense Comparator Threshold Voltage (VCS - VLDO)
V
CSTH
35
50
65
mV
LDO Pin Input Current, VLDO = 5.25V
I
LDO
1.0
1.9
4.0
mA
LDO Feedback Input Current (LFB Pin), VLFB = 0.8V
I
LFB
-1.0
–
1.0
μ
A
LDO Drive Output Current (LDRV
Pin), VLDRV = 0V
I
LDRV
-5.0
-3.3
-2.0
mA
CS Pin Input Leakage Current
VCS = 5.25V
I
CSLK
50
–
200
μ
A
LDO Pull-down MOSFET Q4 Current Limit
T
A
= 25°C, VBST
= 8.0V (LDO Pin)
I
LIMQ4
0.75
–
2.0
A
LDO Pull-down MOSFET Q4 RDS(ON)
ID = 1.0A, VBST
= 8.0V
R
DS(ON)Q4
–
–
1.9
LDO Recommended Output Capacitance
C
LDO
–
10
–
μ
F
LDO Recommended Output Capacitor ESR
R
LDO
–
5.0
–
m
Thermal Shutdown (LDO Pull-down MOSFET Q4)
(15)
T
SD
150
170
190
°C
Thermal Shutdown Hysteresis
(15)
T
SDHYS
–
10
–
°C
Notes
15.
16.
Design information only. This parameter is not production tested.
IDO refers to Load Current on External LDOFET - IRL2703 is the Intersil MOSFET.
Table 3. Static Electrical Characteristics (continued)
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
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