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參數(shù)資料
| 型號(hào)： | MAX1961EEP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining |
| 中文描述： | SWITCHING CONTROLLER, 1120 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | QSOP-20 |
| 文件頁(yè)數(shù)： | 3/29頁(yè) |
| 文件大?。?/td> | 455K |
| 代理商： | MAX1961EEP |
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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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1960 | 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1961EEP+ | 功能描述:DC/DC 開(kāi)關(guān)控制器 1MHz PWM Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX1961EEP+T | 功能描述:DC/DC 開(kāi)關(guān)控制器 1MHz PWM Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX1961EEP-T | 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX1962EEP | 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX1962EEP+ | 功能描述:DC/DC 開(kāi)關(guān)控制器 1MHz PWM Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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