参数资料
型号: MAX1960EEP+
厂商: Maxim Integrated Products
文件页数: 3/29页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 20-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
PWM 型: 电压模式
输出数: 1
频率 - 最大: 1.12MHz
占空比: 90%
电源电压: 2.35 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 20-SSOP(0.154",3.90mm 宽)
包装: 管件
2.35V to 5.5V, 0.5% Accurate, 1MHz PWM
Step-Down Controllers with Voltage Margining
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
V DD Output Voltage
Reference Voltage (No Load)
Reference Load Regulation
CONDITIONS
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)
2.35V ≤ V VCC ≤ 3.6V with tripler, I LOAD = 1 to
50mA (circuit of Figure 12) (Note 1)
-50 μ A to +50 μ A
MIN
4.75
4.45
4.75
1.269
TYP
1.280
3
MAX
5.25
5.25
5.25
1.291
UNITS
V
V
V
V
mV
Positive Current-Limit Threshold
(V PGND - V LX )
MAX1962
V OUT = 0.8V
V OUT = 2.0V
V OUT = 3.3V
44
45
38
53
50
48
62
55
58
mV
Negative Current-Limit Threshold
(V LX - V PGND )
CS Bias Current
OUT Bias Current
Current-Limit Threshold (Positive
Direction, Fixed, V PGND - V LX )
Current-Limit Threshold (Negative
Direction, Fixed, V LX - V PGND )
Current-Limit Threshold (Positive
Direction, Adjustable, V PGND - V LX )
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)
MAX1962, V OUT = 0.8V to 3.3V
MAX1962, V CS = 3.3V
MAX1961/MAX1962, V OUT = 3.3V
MAX1960/MAX1961, ILIM = V DD
MAX1960/MAX1961, ILIM = V DD
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
38
58
50
100
250
90
245
50
20
30
74
67
114
279
107
271
+160
1.8
1.8
0.5
68
50
50
90
85
135
306
125
296
3.5
3.5
1.6
mV
μ A
μ A
mV
mV
mV
mV
° C
?
?
?
Minimum Adaptive Dead Time
FSET/SYNC Pulse Width
FSET/SYNC Rise/Fall Time
CTL_, FSET/SYNC, EN Input High Voltage
CTL_, FSET/SYNC, EN Input Low Voltage
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
200
200
2.0
35
26
100
0.8
ns
ns
ns
V
V
CTL_, FSET/SYNC, EN Input Current
-1
+1
μ A
CLKOUT V OL
Sinking 1mA
0.01
0.1
V
CLKOUT V OH
CLKOUT Rise/Fall Time
Sourcing 1mA
C LOAD = 100pF (Note 1)
V VCC -
0.2V
V VCC -
0.01V
40
V
ns
_______________________________________________________________________________________
3
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