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參數資料
| 型號： | MAX1636 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Voltage, Precision Step-Down Controller for Portable CPU Power |
| 中文描述： | 低電壓、高精度降壓型控制器，用于便攜式CPU電源 |
| 文件頁數： | 2/24頁 |
| 文件大?。?/td> | 219K |
| 代理商： | MAX1636 |
mV
M
Low-Voltage, Prec ision S tep-Down
Controller for Portable CPU Power
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+ to GND ...............................................................-0.3V to 36V
GND to PGND........................................................................±2V
SHDN
to GND.......................................................... -0.3V to 36V
LX, BST to GND....................................................... -0.3V to 36V
DH, BST to LX.............................................................-0.3V to 6V
VL, V
CC
, CSL, CSH, FB,
SKIP
to GND ...................... -0.3V to 6V
DL to GND.. ..................................................-0.3V to (VL + 0.3V)
REF,
RESET
, SYNC, CC, OVP to GND...... -0.3V to (V
CC
+ 0.3V)
VL Output Current...............................................................50mA
VL Short Circuit to GND..............................................Momentary
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, SYNC = VL = V
CC
, I
VL
= 0mA, I
REF
= 0mA,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values
are at T
A
= +25°C.)
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.
REF Output Current ............................................................20mA
REF Short Circuit to GND ....... ......................................Indefinite
Continuous Power Dissipation (T
A
= +70°C)
SSOP (derate 8.00mW/°C above +70°C) .....................640mW
Operating Temperature Range
MAX1636EAP. ..................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
J unction Temperature......................................................+150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Gate-driver supply rail
Internal chip supply rail
CSH - CSL
Input source for VL regulator
SHDN
to full current limit, five levels
FB forced to REF
Positive direction
Negative direction
SHDN
= GND, OVP = GND
V
CC
= 3.3V, output not switching
V
CC
= 3.3V, VL = 5V
V
CC
= VL = 5V
FB tied to V
OUT
, 0mV < (CSH - CSL) < 80mV, 4.5V
< V+ < 30V (includes line and load regulation)
FB tied to V
CC
, 0mV < (CSH - CSL) < 80mV, 4.5V
< V+ < 30V (includes line and load regulation)
V
CC
= 5V, output not switching
FB tied to GND, 0mV < (CSH - CSL) < 80mV, 4.5V
< V+ < 30V (includes line and load regulation)
CONDITIONS
mV
20
30
40
Idle Mode Switchover Threshold
clks
512
Soft-Start Ramp Time
nA
-50
50
FB Input Current
μA
3
10
Shutdown Supply Current (V+)
1.5
Power Consumption
2.0
-145
-100
-55
V
V
4.2
3.15
5.5
5.5
Input Voltage Range, VL
Input Voltage Range, V
CC
V
4.5
30
Input Voltage Range, V+
mV
80
100
120
Current-Limit Threshold
V
REF
3.6
V
V
REF
5.5
Output Adjustment Range
V
1.090
1.100
1.110
Output Voltage, Adj Mode
V
2.486
2.55
2.614
Output Voltage, Fixed 2.5V Mode
V
3.282
3.366
3.450
Output Voltage, Fixed 3.3V Mode
UNITS
MIN
TYP
MAX
PARAMETER
mW
SMPS CONTROLLER
相關PDF資料 |
PDF描述 |
|---|---|
| MAX1636EAP | Low-Voltage, Precision Step-Down Controller for Portable CPU Power |
| MAX1637 | Miniature, Low-Voltage, Precision Step-Down Controller |
| MAX1637EEE | Miniature, Low-Voltage, Precision Step-Down Controller |
| MAX1638 | High-Speed Step-Down Controller with Synchronous Rectification for CPU Power |
| MAX1638EAG | High-Speed Step-Down Controller with Synchronous Rectification for CPU Power |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1636CPUEVKIT | 制造商:Maxim Integrated Products 功能描述:LOW VOLTAGE, PRECISION STEP DOWN CONTROLLER F - Bulk |
| MAX1636EAP | 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX1636EAP+ | 功能描述:DC/DC 開關控制器 Precision Step-Down for Portable CPU Pwr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX1636EAP+T | 功能描述:DC/DC 開關控制器 Precision Step-Down for Portable CPU Pwr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| MAX1636EAP-T | 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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