參數(shù)資料
型號： MAX1639ESE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： High-Speed Step-Down Controller with Synchronous Rectification for CPU Power
中文描述： SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PDSO16
封裝： SOIC-16
文件頁數(shù)： 2/13頁
文件大小： 108K
代理商： MAX1639ESE
FREQ Input Voltage
FREQ Input Voltage
M
High-S peed S tep-Down Controller with
S ync hronous Rec tific ation for CPU Power
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
, V
CC
, PWROK to AGND....................................-0.3V to +6V
PGND to AGND ..................................................................±0.3V
CSH, CSL to AGND....................................-0.3V to (V
CC
+ 0.3V)
DL to PGND................................................-0.3V to (V
DD
+ 0.3V)
REF, CC1, CC2, FREQ, FB to AGND .........-0.3V to (V
CC
+ 0.3V)
BST to PGND..........................................................-0.3V to +12V
BST to LX..................................................................-0.3V to +6V
DH to LX.............................................(LX - 0.3V) to (BST + 0.3V)
ELECTRICAL CHARACTERISTICS
(V
DD
= V
CC
= +5V, PGND = AGND = 0V, FREQ = REF,
T
A
= 0°C to +85°C
, unless otherwise noted.)
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)
16-Pin Narrow SO (derate 8.70mW/°C above +70°C) ....696mW
SO
θ
J C
...........................................................................65°C/W
Operating Temperature Range
MAX1639ESE....................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
FREQ = AGND
FREQ = V
CC
FREQ = REF
V
CC
= V
DD
V
CC
rising edge, 1% hysteresis
FREQ = V
CC
PWROK = 5.5V
Includes line and load
regulation errors
I
SINK
= 2mA, V
CC
= 4.5V
Falling FB, 1% hysteresis with respect to V
REF
Rising FB, 1% hysteresis with respect to V
REF
0μA < I
REF
< 100μA
Rising edge, 1% hysteresis
No load
V
CC
= V
DD
= 5.5V, FB forced 60mV above
regulation point, operating or standby mode
V
REF
= 0V
CSH - CSL = 0mV to 80mV
CSH - CSL = 0mV to 80mV
CONDITIONS
kHz
255
85
300
90
345
Switching Frequency
540
600
660
850
1000
1150
μA
1
PWROK Output Current High
V
0.4
PWROK Output Voltage Low
%
6.5
8
9.5
PWROK Trip Level
-7.5
-6
-4.5
mA
%
%
0.5
4.0
Reference Short-Circuit Current
AC Load Regulation
DC Load Regulation
V
2.7
3.0
Reference Undervoltage Lockout
V
V
4.5
4.0
5.5
4.2
2.5
Input Voltage Range
Input Undervoltage Lockout
V
1.083
1.117
1.089
1.111
FB Voltage
mV
10
Reference Load Regulation
V
3.465
3.5
3.535
Reference Voltage
mA
0.1
V
DD
Supply Current (I
DD
)
UNITS
MIN
TYP
MAX
PARAMETER
T
A
= +25°C to +85°C
T
A
= 0°C to +85°C
5
1
0.1
FB overdrive = 60mV
FB overdrive = 0V
Operating
mode
mA
3.6
10
V
CC
= V
DD
= 5.5V
V
REF
= 0V
Shutdown
mode
V
CC
Supply Current (I
CC
)
V
CC
(high)
GND (low)
REF (mid)
%
V
CC
- 0.1
Maximum Duty Cycle
0.2
3.7
V
3.3
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參數(shù)描述
MAX1639ESE+ 功能描述:DC/DC 開關(guān)控制器 High Speed Step Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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
MAX1639ESE+T 功能描述:DC/DC 開關(guān)控制器 High Speed Step Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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
MAX1639ESE-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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
MAX1639EVKIT 功能描述:DC/DC 開關(guān)控制器 Evaluation Kit the MAX1639 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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
MAX163BCNG 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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