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参数资料
| 型号： | MAX1724EZK50+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC 5V .15A TSOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 5V |
| 输入电压： | 0.8 V ~ 5.5 V |
| 电流 - 输出： | 150mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 包装： | 标准包装 |
| 供应商设备封装： | TSOT-23-5 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
| 其它名称： | MAX1724EZK50+TDKR |
MAX1722/MAX1723/MAX1724
1.5μA I Q , Step-Up DC-DC Converters in TSOT
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)
PARAMETER
Shutdown Current into BATT
SHDN Voltage Threshold
SHDN Input Bias Current
SYMBOL
V IL
V IH
CONDITIONS
T A = +25°C
MAX1724 (Note 4)
T A = +85°C
MAX1723/MAX1724
MAX1723/MAX1724
T A = +25°C
MAX1723/MAX1724,
V SHDN = 5.5V
T A = +85°C
MIN
75
TYP
0.001
0.01
400
500
2
7
MAX
0.5
800
100
UNITS
μA
mV
nA
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)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX1724EZK27
2.633
2.767
Output Voltage
V OUT
MAX1724EZK30
MAX1724EZK33
2.925
3.218
3.075
3.383
V
MAX1724EZK50
4.875
5.125
Output Voltage Range
Feedback Voltage
N-Channel On-Resistance
P-Channel On-Resistance
N-Channel Switch Current Limit
V OUT
V FB
R DS(ON)
R DS(ON)
I LIM
MAX1722/MAX1723
MAX1722/MAX1723
V OUT forced to 3.3V
V OUT forced to 3.3V
V OUT forced to 3.3V
2
1.200
400
5.5
1.270
1.0
2.0
620
V
V
Ω
Ω
mA
Switch Maximum On-Time
Synchronous Rectifier Zero-
Crossing Current
Quiescent Current into OUT
t ON
V OUT forced to 3.3V
(Notes 3,4)
3.5
5
6.5
35
3.6
μs
mA
μA
SHDN Voltage Threshold
V IL
V IH
MAX1723/MAX1724
MAX1723/MAX1724
75
800
mV
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).
Maxim Integrated
3
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