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參數(shù)資料
| 型號(hào)： | MAX1962EEP |
| 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)： | 2/29頁(yè) |
| 文件大小： | 455K |
| 代理商： | MAX1962EEP |
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M
2.35V to 5.5V, 0.5% Accurate, 1MHz PWM
Step-Down Controllers with Voltage Margining
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
, CTL_, CS, FSET/SYNC, SEL, EN,
OUT to GND..........................................................-0.3V to +6V
ILIM, COMP, REF, FB, CLKOUT,
C- to GND..............................................-0.3V to V
AVDD
+ 0.3V
C+ to GND.............-0.3V to higher of V
VCC
+ 1V or V
VDD
+ 0.3V
V
DD
, AV
DD
to GND..............-0.3V to higher of V
VCC
- 0.3V or 6V
DL to PGND ................................................-0.3V to V
VDD
+ 0.3V
BST to GND............................................................-0.3V to +12V
DH to LX...................................................................-0.3V to +6V
LX to BST..................................................................-6V to +0.3V
PGND to GND, or V
DD
to AV
DD
............................-0.3V to +0.3V
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70
°
C)
20-Pin QSOP (derate up to +70
°
C)..............................727mW
20-Pin QSOP (derate above +70
°
C)........................9.1mW/
°
C
Operating Temperature Range (Extended).........-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
ELECTRICAL CHARACTERISTICS
(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
2.35
1.95
3.9
0.8
0.796
1.492
1.791
2.487
3.272
+3.8
-3.8
TYP
MAX
5.5
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, hysteresis = 33mV (typ)
Rising or falling, hysteresis = 44mV (typ)
MAX1960/MAX1962 (measured at FB)
0.800
1.500
1.800
2.500
3.300
+4
-4
0.08
0.1
0.804
1.508
1.809
2.514
3.336
+4.2
-4.2
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
Load Regulation Error
Line Regulation Error
FB Input Bias Current
Feedback Transconductance
COMP Discharge Resistance
DC-DC Soft-Start Time
MAX1960/MAX1961
MAX1960/MAX1961
0V to full load
V
VCC
= 2.7V to 5.5V
%
%
%
%
μ
A
mS
-0.2
1
+0.2
3
100
2
10
1280
500
1000
In shutdown
cycles
FSET/SYNC = GND
FSET/SYNC = V
CC
450
880
450
80
90
550
1120
1200
Switching Frequency
kHz
SYNC Frequency Range
Maximum Duty Cycle
Maximum Duty Cycle
Quiescent Supply Current
Shutdown Supply Current
kHz
%
%
mA
μ
A
f = 1MHz
f = 500kHz
83
92
11
15
15
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| MAX1962EEP+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 |
| MAX1962EEP-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 |
| MAX1963AETT120+T | 功能描述:低壓差穩(wěn)壓器 - LDO Low Input Voltage 300mA LDO Regulators with RESET in SOT and TDFN RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX1963AETT150+T | 功能描述:低壓差穩(wěn)壓器 - LDO Low-Input-Voltage 300mA LDO Regulators with RESET in SOT and TDFN RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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