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参数资料
型号： MAX1565ETJ
厂商： MAXIM INTEGRATED PRODUCTS INC
元件分类： 稳压器
英文描述： Small, High-Efficiency, Five-Channel Digital Still Camera Power Supply
中文描述： 3.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, QCC32
封装： 5 X 5 MM, 0.80 MM HEIGHT, MO-220WHHD-2, TQFN-32
文件页数： 6/26页
文件大小： 512K
代理商： MAX1565ETJ
M
Small, High-Efficiency, Five-Channel
Digital Still Camera Power Supply
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
OUTSU
= 3.3V,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.)
PARAMETER
FB_ to COMP_
Transconductance
FB_ Input Leakage Current
AUX1 Output Regulation Voltage
CONDITIONS
MIN
TYP
MAX
UNITS
FB_ = COMP_
80
185
μS
FB_ = 1.25V
FBSEL1 = GND, FB1 connected directly to AUX1 output
Output high
Output low
-100
4.90
+100
5.10
10
5
nA
V
DL_ Driver Resistance
LOGIC INPUTS (ON_, FBSEL_)
1.1V < OUTSU < 1.8V (ONSU only)
1.8V < OUTSU < 5.5V
0.2
0.4
Input Low Level
V
1.1V < OUTSU < 1.8V (ONSU only)
V
OUTSU
-0.2
1.6
-100
-100
Input High Level
1.8V < OUTSU < 5.5V
FBSEL = 3.6V, OUTSU = 3.6V
FBSEL = GND, OUTSU = 3.6V
V
+100
+100
FBSEL_ Input Leakage Current
nA
Note 2:
Note 3:
The IC is powered from the OUTSU output.
Since the part is powered from OUTSU, a Schottky rectifier, connected from the input battery to OUTSU, is required for
low-voltage startup.
The step-up regulator operates in startup mode until this voltage is reached. Do not apply full load current during startup.
The step-up current limit in startup refers to the LXSU switch current limit, not an output current limit.
The idle-mode current threshold is the transition point between fixed-frequency PWM operation and idle-mode operation
(where switching rate varies with load). The spec is given in terms of inductor current. In terms of output current, the idle-
mode transition varies with input/output voltage ratio and inductor value. For the step-up, the transition output current is
approximately 1/3 the inductor current when stepping from 2V to 3.3V. For the step-down, the transition current in terms of
output current is approximately 3/4 the inductor current when stepping down from 3.3V to 1.8V.
Note 4:
Note 5:
Note 6:
STEP-UP EFFICIENCY
vs. LOAD CURRENT
(5V OUTPUT)
M
LOAD CURRENT (mA)
E
100
10
10
20
30
40
50
60
70
80
90
100
0
1
1000
V
IN
= 4V
V
IN
= 3.6V
V
IN
= 3V
V
IN
= 2V
V
IN
= 1.5V
V
OUT
= 5V
STEP-UP EFFICIENCY
vs. LOAD CURRENT
(3.3V OUTPUT)
M
LOAD CURRENT (mA)
E
100
10
10
20
30
40
50
60
70
80
90
100
0
1
1000
V
IN
= 3.6V
V
IN
= 3V
V
IN
= 2V
V
IN
= 1.5V
V
OUT
= 3.3V
STEP-DOWN EFFICIENCY
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
E
100
10
10
20
30
40
50
60
70
80
90
100
0
1
1000
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3V
INSD CONNECTED TO BATTERY
V
OUT
= 1.5V
DOES NOT INCLUDE CURRENT USED
BY THE STEP-UP TO POWER THE IC
Typical Operating Characteristics
(Circuit of Figure 1, T
A
= +25
°
C, unless otherwise noted.)
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相关代理商/技术参数
参数描述
MAX1565ETJ+ 功能描述:PMIC 解决方案 5Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
MAX1565ETJ+T 功能描述:PMIC 解决方案 5Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
MAX1565ETJ-T 功能描述:PMIC 解决方案 5Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
MAX1565EVKIT 制造商:Maxim Integrated Products 功能描述:SMALL, HIGH-EFFICIENCY, FIVE-CHANNEL DSC - Bulk
MAX1566ETL 功能描述:PMIC 解决方案 RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel
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