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参数资料
型号： MAX1960
厂商： Maxim Integrated Products, Inc.
英文描述： 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining
中文描述： 2.35V至5.5V、0.5%精度、1MHz PWM降压型控制器，带有电压裕量控制
文件页数： 4/29页
文件大小： 455K
代理商： MAX1960
M
2.35V to 5.5V, 0.5% Accurate, 1MHz PWM
Step-Down Controllers with Voltage Margining
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(V
VCC
= 3.3V, Circuits of Figures 9
–
12,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
2.35
1.95
3.90
0.8
0.795
1.492
1.789
2.482
3.272
3.8
-3.8
-0.2
1
TYP
MAX
5.50
2.3
4.45
UNITS
V
V
V
V
V
CC
Input Voltage Range
V
CC
Input Voltage UVLO
V
DD
Input Voltage UVLO
Output Voltage
Rising or falling
Rising or falling
MAX1960/MAX1962 (measured at FB)
0.805
1.508
1.809
2.517
3.339
4.2
-4.2
+0.2
3
100
550
1120
1200
SEL = GND
SEL = REF
SEL not connected
SEL = V
DD
DC Output Accuracy
MAX1961/MAX1962
(FB = V
DD
),
measured at output
V
Positive Voltage-Margining Shift
Negative Voltage-Margining Shift
FB Input Bias Current
Feedback Transconductance
COMP Discharge Resistance
MAX1960/MAX1961
MAX1960/MAX1961
%
%
μA
μS
In shutdown
FSET/SYNC = GND
FSET/SYNC = V
CC
450
880
450
80
90
Switching Frequency
kHz
SYNC Frequency Range
Maximum Duty Cycle
Maximum Duty Cycle
Quiescent Supply Current
Shutdown Supply Current
kHz
%
%
mA
μA
f = 1MHz
f = 500kHz
15
15
5.25
2.7V
≤
V
VCC
≤
5.5V, I
LOAD
= 1mA to 50mA
2.35V
≤
V
VCC
≤
2.7V, I
LOAD
= 1mA to 35mA,
C1 = 4.7μF, C6 = 22μF
4.75
4.45
5.25
V
DD
Output Voltage
2.35V
≤
V
VCC
≤
3.6V with tripler, I
LOAD
= 1mA
to 50mA (circuit of Figure 12)
4.75
5.25
V
Reference Voltage (No Load)
1.267
1.291
V
Positive Current-Limit Threshold
(V
CS
- V
OUT
)
MAX1962, V
OUT
= 2V
45
56
mV
Negative Current-Limit Threshold
(V
OUT
- V
CS
)
CS Bias Current
OUT Bias Current
MAX1962, V
OUT
= 2V
42
64
mV
MAX1962, V
CS
= 3.3V
MAX1961/MAX1962, V
OUT
= 3.3V
50
50
μA
μA
Current-Limit Threshold (Positive
Direction, Fixed, V
PGND
- V
LX
)
MAX1960/MAX1961, ILIM = V
DD
58
90
mV
Current-Limit Threshold (Negative
Direction, Fixed, V
LX
- V
PGND
)
MAX1960/MAX1961, ILIM = V
DD
50
85
mV
MAX1960/MAX1961, R
ILIM
= 160k
R
ILIM
= 400k
100
250
135
306
Current-Limit Threshold (Positive
Direction, Adjustable, V
PGND
- V
LX
)
mV
相关PDF资料
PDF描述
MAX1960EEP 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining
MAX1961 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining
MAX1962 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining
MAX1962EEP 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining
MAX19700 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End
相关代理商/技术参数
参数描述
MAX1960EEP 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX1960EEP+ 功能描述:DC/DC 开关控制器 1MHz PWM Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX1960EEP+T 功能描述:DC/DC 开关控制器 1MHz PWM Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX1960EEP-T 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK
MAX1960EVKIT 功能描述:电源管理IC开发工具 Evaluation Kit for the MAX1960 MAX1961 MAX1962 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
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