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參數資料
| 型號： | NCP1501 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Dual Mode PWM/Linear Buck Converter(雙模PWM/線性降壓轉換器) |
| 中文描述： | 雙模式PWM /線性降壓轉換器（雙模的PWM /線性降壓轉換器） |
| 文件頁數： | 3/14頁 |
| 文件大小： | 161K |
| 代理商： | NCP1501 |
NCP1501
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (continued)
(V
in
= 3.6 V, V
O
= 1.57 V, T
A
= 25
°
C, F
syn
= 600 kHz 50% Duty Cycle square wave for
PWM mode; T
A
= 30 to 85
°
C for Min/Max values, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Level Selection Pins
Input Voltage
V
CB
0.3
V
CC
+0.3
V
CB0,1 “H” Voltage Threshold
V
CB(H)
910
1200
mV
CB0,1 “L” Voltage Threshold
V
CB(L)
400
850
mV
CB0,1 “H” Input Current, CBx = 3.6 V
I
CB(H)
1.8
A
CB0,1 “L” Input Current, CBx = 0 V
I
CB(L)
0.5
0
A
Shutdown Pin
Input Voltage
V
SHD
0.3
V
CC
+0.3
V
SHD “H” Voltage Threshold
V
SHD(H)
920
1200
mV
SHD “L” Voltage Threshold
V
SHD(L)
400
850
mV
SHD “H” Input Current, SHD = 3.6 V
I
SHD(H)
1.8
A
SHD “L” Input Current, SHD = 0 V
I
SHD(L)
0.5
0
A
Feedback Pin
Input Voltage
V
fb
0.3
V
CC
+0.3
V
Input Current, V
fb
= 1.8 V
I
fb
8.5
A
PWM Mode Characteristics
Switching PFET Current Limit
I
lim
800
mA
Duty Cycle
DC
100
%
Minimum On Time
T
on(min)
100
nsec
R
Switching
NFET
PFET
R
DS(on)
0.7
0.6
Ohms
Switching PFET and NFET Leakage Current
I
leak
0.01
10
A
Output Over Voltage Threshold
V
O
3.0
%
Output Voltage Accuracy, Vout
(set)
= 1.05 V CB0 = L, CB1 = L
Output Voltage Accuracy,
Vout
(set)
= 1.35 V CB0 = L, CB1 = H
Output Voltage Accuracy,
Vout
(set)
= 1.57 V CB0 = H, CB1 = H
Output Voltage Accuracy,
Vout
(set)
= 1.80 V CB0 = H CB1 = L
V
out
1.018
1.309
1.523
1.740
1.050
1.350
1.570
1.800
1.082
1.391
1.617
1.860
V
Load Transient Response, 10 to 100 mA Load Step
V
out
40
mV
Line Transient Response, I
out
= 100 mA, 3.0 to 3.6 V
in
Line Step
V
out
±
5
mV
pp
LDO Mode Characteristics
R
DS(on)
LDO FET (Inductor Switch), LX to V
out
R
DS(on)
7.0
Ohms
Dropout Voltage (Limited by V
in(min)
= 2.5 V and V
out(max)
= 1.8 V)
V
in
V
out
0.7
V
Output Voltage Accuracy, Vout
(set)
= 1.05 V CB0 = L, CB1 = L
Output Voltage Accuracy,
Vout
(set)
= 1.35 V CB0 = L, CB1 = H
Output Voltage Accuracy,
Vout
(set)
= 1.57 V CB0 = H, CB1 = H
Output Voltage Accuracy,
Vout
(set)
= 1.80 V CB0 = H CB1 = L
V
out
1.018
1.309
1.523
1.740
1.050
1.350
1.570
1.800
1.082
1.391
1.617
1.860
V
Thermal Shutdown
Thermal Shutdown
TSD
160
°
C
Hysteresis
TSD
hys
25
°
C
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| NCP1501DMR2 | 功能描述:直流/直流開關轉換器 Dual Mode Buck w/LDO RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1501DMR2G | 功能描述:直流/直流開關轉換器 Dual Mode Buck w/LDO RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1508MNR2 | 功能描述:直流/直流開關轉換器 High Efficiency Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1508MNR2G | 功能描述:直流/直流開關轉換器 High Efficiency Buck Synchronous DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1509MNR2 | 功能描述:直流/直流開關轉換器 High Efficiency Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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