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參數(shù)資料
| 型號： | MAX1724EZK50 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 1.5uA IQ, Step-Up DC-DC Converters in Thin SOT23-5 |
| 中文描述： | 1.5uA智商，升壓型DC - DC轉換器，在薄型SOT23 - 5 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 292K |
| 代理商： | MAX1724EZK50 |
M
1.5μA I
Q
, Step-Up DC-DC Converters
in Thin SOT23-5
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
BATT
= 1.2V, V
OUT
= 3.3V (MAX1722/MAX1723), V
OUT
= V
OUT(NOM)
(MAX1724),
SHDN
= OUT, R
L
=
∞
,
T
A
= 0°C to +85°C
,
unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
Note 1:
Limits are 100% production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed by design.
Note 2:
Guaranteed with the addition of a Schottky MBR0520L external diode between LX and OUT when using the MAX1723
with only one cell, and assumes a 0.3V voltage drop across the Schottky diode (see Figure 3).
Note 3:
Supply current is measured with an ammeter between the output and OUT pin. This current correlates directly with actual
battery supply current, but is reduced in value according to the step-up ratio and efficiency.
Note 4:
V
OUT
forced to the following conditions to inhibit switching: V
OUT
= 1.05
V
OUT(NOM)
(MAX1724), V
OUT
= 3.465V
(MAX1722/MAX1723).
V
IL
V
IH
MAX1723/MAX1724
MAX1723/MAX1724
T
A
= +85°C
T
A
= +25°C
T
A
= +85°C
T
A
= +25°C
0.001
0.01
400
0.5
SHDN
Voltage Threshold
500
2
800
100
mV
Shutdown Current into BATT
μA
SHDN
Input Bias Current
7
nA
MAX1724 (Note 4)
MAX1723/MAX1724,
V
SHDN
= 5.5V
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
75
PARAMETER
SYMBOL
CONDITIONS
MIN
2.633
2.925
3.218
4.875
2
1.200
TYP
MAX
2.767
3.075
3.383
5.125
5.5
1.270
1.0
2.0
620
6.5
UNITS
MAX1724EZK27
MAX1724EZK30
MAX1724EZK33
MAX1724EZK50
MAX1722/MAX1723
MAX1722/MAX1723
V
OUT
forced to 3.3V
V
OUT
forced to 3.3V
V
OUT
forced to 3.3V
O utp ut V ol ag e
V
OUT
V
O utp ut V ol ag e Rang e
Feedback Voltage
N-Channel On-Resistance
P-Channel On-Resistance
N-Channel Switch Current Limit
Switch Maximum On-Time
V
OUT
V
FB
R
DS(ON)
R
DS(ON)
I
LIM
t
ON
V
V
mA
μs
400
3.5
Synchronous Rectifier Zero-
Crossing Current
V
OUT
forced to 3.3V
5
35
mA
Quiescent Current into OUT
(Notes 3,4)
MAX1723/MAX1724
3.6
μA
V
IL
V
IH
75
SHDN
Voltage Threshold
MAX1723/MAX1724
800
mV
ELECTRICAL CHARACTERISTICS
(V
BATT
= 1.2V, V
OUT
= 3.3V (MAX1722/MAX1723), V
OUT
= V
OUT(NOM)
(MAX1724),
SHDN
= OUT, R
L
=
∞
,
T
A
= -40
°
C to +85
°
C
,
unless otherwise noted.) (Note 1)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1724EZK50+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP UP 5PIN TSOT-23 - Cut Tape Product |
| MAX1724EZK50+T | 功能描述:直流/直流開關轉換器 1.5uA IQ Step-Up DC/DC Converter 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(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1724EZK50-T | 功能描述:直流/直流開關轉換器 1.5uA IQ Step-Up DC/DC Converter 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(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1725EUK | 制造商:Maxim Integrated Products 功能描述:LOW DROPOUT LINEAR REGAULATORS - Cut Tape Product |
| MAX1725EUK+ | 制造商:Maxim Integrated Products 功能描述:LDO REG 1.5V TO 5V 0.08A 5PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC, LDO lin regulator,adj,1.5-5V,MAX1725 |
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