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参数资料
| 型号： | MAX8621YETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC PMIC W/DC-DC SUP 24-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 手持/移动设备 |
| 电源电压： | 2.6 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
Dual Step-Down DC-DC Power-Management ICs
for Portable Devices
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.7V, C IN1 = 10μF, C IN2 = C IN3 = 4.7μF, C OUT1 = C OUT2 = 4.7μF, C OUT3 = C OUT4 = 2.2μF, C REFBP = 0.01μF, T A = -40°C to
+85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Notes 1, 2)
PARAMETER
Tristate High Input Threshold
Hysteresis
PWRON, EN2 Pulldown Resistor
to GND
SEL_
CONDITIONS
MIN
400
TYP
50
800
MAX
1600
UNIT
mV
k Ω
STEP-DOWN DC-DC CONVERTER 1 (BUCK1)
Supply Current
Output Voltage Range
FB1 Threshold Voltage
FB1 Threshold Line Regulation
FB1 Threshold Voltage Hysteresis
(% of V FB1 )
FB1 Bias Current
I LOAD = 0A, no switching
V FB1 falling
2.6V ≤ V IN ≤ 5.5V
Shutdown
V FB1 = 0.5V
0.6
40
0.603
0.3
1
0.01
0.01
3.3
μA
V
V
%/V
%
μA
Current Limit
On-Resistance
Rectifier Off-Current Threshold
Minimum On- and Off-Times
p-MOSFET switch (I LIMP )
n-MOSFET rectifier (I LIMN )
p-MOSFET switch, I LX1 = -40mA
n-MOSFET rectifier, I LX1 = 40mA
I LXOFF
t ON
t OFF
670
750
1000
1000
0.65
0.35
45
107
95
1500
1330
1.5
0.8
70
mA
Ω
mA
ns
STEP-DOWN DC-DC CONVERTER 2 (BUCK2)
Supply Current
Output Voltage Range
FB2 Threshold Voltage
FB2 Threshold Line Regulation
I LOAD = 0A, no switching
V FB2 falling
2.6V ≤ V IN ≤ 5.5V
0.6
40
0.603
0.3
3.3
μA
V
V
%/V
FB2 Threshold Voltage Accuracy
(Falling) (% of VFB2)
FB2 Threshold Voltage Hysteresis
(% of VFB2)
FB2 Bias Current
I LOAD = 0A
Shutdown
V FB = 0.5V
-2.5
1
0.01
0.01
+2.5
%
%
μA
Current Limit
On-Resistance
Rectifier Off-Current Threshold
Minimum On- and Off-Times
p-MOSFET switch
n-MOSFET rectifier
p-MOSFET switch, I LX2 = -40mA
n-MOSFET rectifier, I LX2 = 40mA
I LXOFF
t ON
t OFF
670
750
1000
1000
0.65
0.35
45
107
95
1500
1330
1.5
0.8
70
mA
Ω
mA
ns
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8621ZETG | 功能描述:PMIC 解决方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8621ZETG+ | 功能描述:PMIC 解决方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8621ZETG+T | 功能描述:PMIC 解决方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8621ZETG-T | 功能描述:PMIC 解决方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8621ZEVKIT | 制造商:Maxim Integrated Products 功能描述:DUAL STEP-DOWN POWER MANAGEMENT IC - Rail/Tube |
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