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参数资料
| 型号： | MAX1816ETM |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | Replaced by TMS320VC5506 : Digital Signal Processors 144-LQFP |
| 中文描述： | DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, CQCC48 |
| 封装： | 7 X 7 MM, 0.80 MM HEIGHT, THIN, QFN-48 |
| 文件页数： | 2/49页 |
| 文件大小： | 983K |
| 代理商： | MAX1816ETM |
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M
Dual Step-Down Controllers Plus Linear-
Regulator Controller for Notebook Computers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+ to AGND............................................................-0.3V to +30V
V
CC
, V
DD
to AGND...................................................-0.3V to +6V
PGND, GDS to AGND.........................................................
±
0.3V
SKP1/
SDN
, SKP2/
SDN
, LIN/
SDN
to AGND............-0.3V to +16V
LINBSE, SUS, PERF,
DPSLP
, PGOOD,
LINGOOD, CS1+, CS1-, FBS, D0
–
D4,
OUT2 to AGND.....................................................-0.3V to +6V
OFS0, OFS1, OFS2, ILIM1, ILIM2,
FB2, REF, TON, TIME, OVPSET, S0, S1,
GAIN, CC, LINFB to AGND ....................-0.3V to (V
CC
+ 0.3V)
DL1, DL2 to PGND .....................................-0.3V to (V
DD
+ 0.3V)
DH1 to LX1 ..............................................-0.3V to (V
BST1
+ 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.
DH2 to LX2 ..............................................-0.3V to (V
BST2
+ 0.3V)
BST1 to LX1..............................................................-0.3V to +6V
BST2 to LX2..............................................................-0.3V to +6V
LX1, LX2, CS2 to AGND............................................-2V to +30V
REF Short Circuit to AGND.........................................Continuous
LINBSE Short Circuit to +6V.......................................Continuous
Continuous Power Dissipation (T
A
= +70
°
C)
48-Pin Thin QFN (derate 26.3mW/
°
C above +70
°
C) .2105mW
Operating Temperature Range .........................-40
°
C to +100
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, V
OUT1
= 1.20V, V
OUT2
= 2.50V, V
CC
= V
DD
= 5.0V, V
SKP1/
SDN
= V
SKP2/
SDN
= V
LIN/
SDN
= 5.0V,
T
A
= 0°C to +85°C
. Typical values are at T
A
= +25
°
C, unless otherwise noted.)
PARAMETER
CONDITIONS
TON = REF, open, or V
CC
TON = GND
MIN
2
2
4.5
TYP
MAX
28
16
5.5
UNITS
Battery voltage V+
Input Voltage Range
V
CC
, V
DD
V
DAC codes from 0.600V to
1.750V (MAX1816)
BUCK1 DC Output Voltage
Accuracy
V+
= 4.5V to 28V,
includes load
regulation errors,
OFS_ = GDS = AGND,
CS1+ = CS1- = FBS
DAC codes from 0.700V to
2.000V (MAX1994)
-1
+1
%
FB2 = GND
FB2 = V
CC
FB2 = OUT2
2.475
1.782
0.990
1.0
2.500
1.800
1.000
2.525
1.818
1.010
5.5
BUCK2 Error Comparator Threshold
(DC Output Voltage Accuracy)
(Note 1)
V+
= 4.5V to 28V
V
OUT2 Adjust Range
V
FB2 GND Level
Voltage level to enable internal feedback for BUCK2
with V
OUT2
= 2.5V
0.05
V
FB2 External Feedback Level
Voltage level to enable external feedback for BUCK2
with FB2 regulated to 1.0V nominal
0.15
1.90
V
FB2 V
CC
Level
Voltage level to enable internal feedback for BUCK2
with V
OUT2
= 1.8V
GAIN = GND
GAIN = REF
GAIN = open
GAIN = V
CC
2.10
V
0
1.425
1.900
3.800
1.500
2.000
4.000
1.575
2.100
4.200
Voltage-Positioning Gain
V/V
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相关代理商/技术参数 |
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|---|---|
| MAX1816ETM+ | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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| MAX1816ETM-T | 功能描述:DC/DC 开关控制器 NULL RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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