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参数资料
型号： MAX1961
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： 3/29页
文件大小： 455K
代理商： MAX1961
M
2.35V to 5.5V, 0.5% Accurate, 1MHz PWM
Step-Down Controllers with Voltage Margining
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
VCC
= 3.3V, Circuits of Figures 9
–
12,
T
A
= 0
°
C to +85
°
C
. Typical values are at T
A
= +25
°
C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
4.75
TYP
MAX
5.25
UNITS
V
2.7V
≤
V
VCC
≤
5.5V, I
LOAD
= 1mA to 50mA
2.35V
≤
V
VCC
≤
2.7V, I
LOAD
= 1mA to 35mA, C1
= 4.7
μ
F, C6 = 22
μ
F (Note 1)
4.45
5.25
V
V
DD
Output Voltage
2.35V
≤
V
VCC
≤
3.6V with tripler, I
LOAD
= 1 to
50mA (circuit of Figure 12) (Note 1)
4.75
5.25
V
Reference Voltage (No Load)
Reference Load Regulation
1.269
1.280
3
53
50
48
1.291
V
-50
μ
A to +50
μ
A
mV
V
OUT
= 0.8V
V
OUT
= 2.0V
V
OUT
= 3.3V
44
45
38
62
55
58
Positive Current-Limit Threshold
(V
PGND
- V
LX
)
MAX1962
mV
Negative Current-Limit Threshold
(V
LX
- V
PGND
)
CS Bias Current
OUT Bias Current
MAX1962, V
OUT
= 0.8V to 3.3V
38
50
68
mV
MAX1962, V
CS
= 3.3V
MAX1961/MAX1962, V
OUT
= 3.3V
20
30
50
50
μ
A
μ
A
Current-Limit Threshold (Positive
Direction, Fixed, V
PGND
- V
LX
)
MAX1960/MAX1961, ILIM = V
DD
58
74
90
mV
Current-Limit Threshold (Negative
Direction, Fixed, V
LX
- V
PGND
)
MAX1960/MAX1961, ILIM = V
DD
50
67
85
mV
MAX1960/MAX1961, R
ILIM
= 160k
R
ILIM
= 400k
MAX1960/MAX1961, R
ILIM
= 160k
R
ILIM
= 400k
15
°
C hysteresis
V
BST
- V
LX
= 5V, pulling up or down
DL high state
DL low state
DH falling to DL rising
DH rising to DL falling
Minimum high time (Note 1)
Minimum low time (Note 1)
(Note 1)
V
VCC
= 2.35V to 5.5V
V
VCC
= 2.35V to 5.5V
100
250
90
245
114
279
107
271
+160
1.8
1.8
0.5
35
26
135
306
125
296
Current-Limit Threshold (Positive
Direction, Adjustable, V
PGND
- V
LX
)
mV
Current-Limit Threshold (Negative
Direction, Adjustable, V
LX
- V
PGND
)
Thermal-Shutdown Threshold
DH Gate-Driver On-Resistance
DL Gate-Driver On-Resistance (Pullup)
DL Gate-Driver On-Resistance (Pulldown)
mV
°
C
3.5
3.5
1.6
Minimum Adaptive Dead Time
ns
200
200
FSET/SYNC Pulse Width
ns
FSET/SYNC Rise/Fall Time
CTL_, FSET/SYNC, EN Input High Voltage
CTL_, FSET/SYNC, EN Input Low Voltage
CTL_, FSET/SYNC, EN Input Current
CLKOUT V
OL
100
ns
V
V
μ
A
V
2.0
0.8
+1
0.1
-1
Sinking 1mA
0.01
CLKOUT V
OH
Sourcing 1mA
V
VCC
-
0.2V
V
VCC
-
0.01V
V
CLKOUT Rise/Fall Time
C
LOAD
= 100pF (Note 1)
40
ns
相关PDF资料
PDF描述
MAX1962 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining
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相关代理商/技术参数
参数描述
MAX1961EEP 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
MAX1961EEP+ 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
MAX1961EEP+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
MAX1961EEP-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
MAX1962EEP 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
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