参数资料
型号: MAX8805ZEWECD+T
厂商: Maxim Integrated Products
文件页数: 3/24页
文件大小: 0K
描述: IC CONV STP-DN PWM 600MA 16WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 转换器,WCDMA PA 电源
输入电压: 2.7 V ~ 5.5 V
输出数: 1
输出电压: 0.4 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-UFBGA,WLCSP
供应商设备封装: 16-WLP(2x2)
包装: 带卷 (TR)
600mA/650mA PWM Step-Down Converters in
2mm x 2mm WLP for WCDMA PA Power
ELECTRICAL CHARACTERISTICS (continued)
(V IN1A = V IN1B = V IN2 = V PA_EN = V EN1 = V EN2 = 3.6V, V HP = 0V, V REFIN = 0.9V (MAX8805Y/MAX8805Z), V REFIN = 0.72V
(MAX8805W/MAX8805X), T A = -40°C to +85°C. Typical values are at T A =+25°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFIN
Dual Mode? Threshold
V REFIN rising, 50mV hysteresis
MAX8805Y/MAX8805Z
MAX8805W/MAX8805X
0.44 x
V IN2
0.36 x
V IN2
0.465 x
V IN2
0.372 x
V IN2
0.48 x
V IN2
0.39 x
V IN2
V
LX
On-Resistance
p-channel MOSFET switch, I LX = -40mA
n-channel MOSFET rectifier, I LX = 40mA
0.18
0.15
0.6
0.6
?
LX Leakage Current
V IN1A = V IN1B = V IN2 = 5.5V,
V LX = 0V
T A = +25°C
T A = +85°C
0.1
1
5
μA
Peak Current Limit
(p-Channel MOSFET)
Valley Current Limit
(n-Channel MOSFET)
V LX = 0V
MAX8805Y/MAX8805Z
MAX8805W/MAX8805X
MAX8805Y/MAX8805Z
MAX8805W/MAX8805X
0.7
0.75
0.5
0.55
0.9
0.95
0.7
0.75
1.1
1.15
0.9
0.95
A
A
Minimum On- and Off-Times
MAX8805Y/MAX8805Z
MAX8805W/MAX8805X
0.1
0.07
μs
Power-Up Delay
From PA_EN rising to LX rising
150
250
μs
BYPASS
On-Resistance
Bypass Current Limit
p-channel MOSFET bypass,
I OUT = -90mA
V PA _ = 0V
T A = +25 ° C
T A = +85 ° C
0.8
0.060
0.1
1.2
0.1
1.8
?
A
Step-Down Current Limit in Bypass V LX = 0V
MAX8805Y/MAX8805Z
MAX8805W/MAX8805X
0.7
0.75
0.9
0.95
1.1
1.15
A
Total Bypass Current Limit
Bypass Off-Leakage Current
V LX = V PA _ = 0V
V IN1A = V IN1B = V IN2 = 5.5V,
V PAA = V PAB = 0V
MAX8805Y/MAX8805Z
MAX8805W/MAX8805X
T A = +25 ° C
T A = +85 ° C
1.5
1.55
2.1
2.15
0.01
1
2.9
2.95
10
A
μA
LDO1
MAX8805_E_EAA+T
MAX8805_E_EBC+T
1.746
2.425
1.8
2.5
1.854
2.575
Output Voltage V LDO1
V IN2 = 5.5V, I LDO1 = 1mA;
V IN2 = 3.4V, I LDO1 = 100mA
MAX8805_E_ECC+T
MAX8805_E_EDD+T
2.619
2.716
2.7
2.8
2.781
2.884
V
Output Current
MAX8805_E_EEE+T
MAX8805_E_EGG+T
2.765
2.910
200
2.85
3.0
2.936
3.090
mA
Current Limit
Dropout Voltage
Line Regulation
Load Regulation
Power-Supply Rejection
V LDO1 = 0V
I LDO1 = 100mA, T A = +25 ° C (V LDO1 ≥ 2.5V)
V IN2 stepped from 3.5V to 5.5V, I LDO1 = 100mA
I LDO1 stepped from 50μA to 200mA
10Hz to 10kHz, C LDO1 = 1μF, I LDO1 = 30mA
250
550
70
2.4
25
70
750
200
mA
mV
mV
mV
dB
Dual Mode is a trademark of Maxim Integrated Products, Inc.
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