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| 型号： | MAX8627ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ 1A 14TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 3 V ~ 5 V |
| 输入电压： | 0.9 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 1A |
| 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： | 14-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
MAX8627
Low V BATT , 20μA IQ, 1MHz Synchronous
Boost Converter with True Shutdown
ELECTRICAL CHARACTERISTICS (continued)
(V OUTS = V POUT = 5V, V ON = V BATT = 3.6V, V ILIM = GND, T A = -40°C to +85°C, typical values are at T A = +25 ° C, unless otherwise
noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
p-Channel Turn-Off Current
10
mA
POUT Leakage Current
LX Leakage Current
Soft-Start Interval
V LX = 0V, V POUT = V BATT = 5.5V
V LX = 0V and V POUT = 5.5V or V LX =
5.5V and V OUTS = V POUT = 0V
Output current = 0.5A
T A = +25 ° C
T A = +85 ° C
T A = +25 ° C
T A = +85 ° C
0.1
0.2
0.1
0.2
5.25
1
1
μA
μA
ms
Overload Protection Fault Delay
LOGIC INPUTS
65
ms
ON Input Low Level
ON Input High Level
1.5V < V POUT = V OUTS = V BATT ≤ 1.8V
1.8V < V POUT = V OUTS = V BATT ≤ 5.5V
1.5V < V POUT = V OUTS = V BATT ≤ 1.8V
1.8V < V POUT = V OUTS + V BATT ≤ 5.5V
V POUT -
0.2
1.6
0.2
0.5
V
V
ON, Input Leakage Current
V OUTS = V POUT = V BATT = 5.5V,
ON = 0V or ON = 5.5V
T A = +25 ° C
T A = +85 ° C
0.01
0.02
1
μA
Thermal Shutdown
+160
° C
Note 1: The MAX8627 is powered from OUTS. Once started, the IC operates down to 0.9V.
Note 2: Specifications to -40 ° C are guaranteed by design and not production tested.
Note 3: The idle-mode current threshold is the transition point between fixed-frequency PWM operation and idle-mode operation.
The specification is given in terms of output load current for an inductor value of 1μH. For a step-up converter, the idle-
mode transition varies with the input-to-output voltage ratio.
Maxim Integrated
3
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