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| 型号： | MAX8815AETB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC ADJ 1A 10TDFN |
| 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： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 3.3 V ~ 5 V |
| 输入电压： | 1.2 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 2MHz |
| 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： | 10-WFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 其它名称： | MAX8815AETB+TDKR |
1A, 97% Efficiency, 30μA Quiescent Current
Step-Up Converter with True Shutdown
ABSOLUTE MAXIMUM RATINGS
OUTS, BATT to GND ................................................-0.3V to +6V
POUT to OUTS ......................................................-0.3V to +0.3V
PGND (EP) to AGND .............................................-0.3V to +0.3V
FB to GND ................................................-0.3V to (V OUT + 0.3V)
ON, SKIPB to GND ............-0.3V to the higher of (V OUTS + 0.3V)
and (V BATT + 0.3V)
LX Continuous Current (Note 1)..........................................2.75A
Continuous Power Dissipation (T A = +70°C)
10-Pin TDFN Single-Layer Board (derate 18.5 mW/°C
above +70°C)...........................................................1481.5mW
10-Pin TDFN Multilayer Board (derate 24.4 mW/°C
above +70°C)...........................................................1951.2mW
Junction-to-Case Thermal Resistance ( θ JC ) (Note 2)
10-Pin TDFN .................................................................8.5°C/W
Junction-to-Ambient Thermal Resistance ( θ JA ) (Note 2)
10-Pin TDFN ..................................................................41°C/W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ............................-40°C to +150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 1: LX has internal clamp diodes to PGND (EP) and VPWR, where VPWR is the internal power node and is the higher of BATT
and OUTS. Applications that forward bias these diodes should take care not to exceed the power-dissipation limits of the
device.
Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a 4-layer
board. For detailed information on package thermal considerations, visit www.maxim-ic.com/thermal-tutorial .
ELECTRICAL CHARACTERISTICS
(V OUTS = V POUT = 5V, V ON = V BATT = 3.6V, V SKIPB = GND, T A = -40°C to +85°C, typical values are at T A = +25°C, unless otherwise
noted. Limits are 100% production tested at T A = +25°C. Limits over the operating temperature range are guaranteed by design and
characterization.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Operating Input Voltage Range
Minimum Startup Voltage
1.2
1.2
5.5
1.5
V
V
Shutdown Supply Current
ON = GND
T A = +25°C
T A = +85°C
0.1
0.2
1
μA
No load, no switching, V FB = 1.28V
16
30
Supply Current
No load, switching (measured with external feedback);
V POUT = 5V
30
μA
OSCILLATOR
Switching Frequency
Maximum Duty Cycle
Output-Voltage Adjust Range
1.8
3.3
2.0
87.5
2.2
5.0
MHz
%
V
FB Regulation Voltage
No load, T A = +25°C
No load, T A = -40°C to +85°C (Note 3)
1.255
1.252
1.265
1.265
1.275
1.277
V
FB Load Regulation
-7.5
mV/A
FB Line Regulation
V BATT = 1.8V to 5V, I POUT = 0.5A
-10
mV/D
FB Input Leakage Current
V FB = 1.28V, V OUTS =
V POUT = V BATT = 5.5V
T A =+25°C
T A = +85°C
-50
-5
-5
+50
nA
Idle Mode? Trip Level
(Note 4)
90
mA
Idle Mode is a trademark of Maxim Integrated Products, Inc.
2
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