参数资料
型号: MAX1729EUB
厂商: Maxim Integrated Products
文件页数: 3/12页
文件大小: 0K
描述: IC REG BUCK BST ADJ 2.5MA 10UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 2.5 V ~ 16 V
输入电压: 2.7 V ~ 5.5 V
电流 - 输出: 2.5mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
供应商设备封装: 10-µMAX
ECB and LCD Display Bias Supply with Accurate
Output Voltage and Temperature Compensation
ELECTRICAL CHARACTERISTICS
(V IN = +3V, CTLIN = IN, FB = GND, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
CTLIN Low Voltage
CTLIN Bias Current
COMP Impedance
CTLIN Minimum Pulse Width
for Shutdown
SYMBOL
V IL
I IHL
R COMP
t OFF
CONDITIONS
V IN = +2.7V to +5.5V
V IN = +5.5V, CTLIN = GND or IN
V FB = 0, Internal Feedback Mode
V FB = +1.25V, External Feedback Mode
(Note 4)
MIN
700
TYP
33
60
1250
MAX
0.4
±1
150
2400
UNITS
V
μA
k ?
?
μs
CTLIN Minimum Pulse Width
for V OUT Control
t CTLIN
25
ns
COMP Rise/Fall Time
t R /t F
V FB = +1.25V
20
ns
Switch On-Resistance
Switch Off-Leakage Current
LX to PS Diode Forward
Voltage
PFM On-Time Constant
PS to OUT Voltage (Note 5)
R ON
I LX(OFF)
V LX-PS
K
I LX = 30mA
V LX = 18V
I DIODE = 30mA
T A = +25°C
T A = -40°C to +85°C
V IN = +2.7V
V IN = +5.5V
6
5
0.4
2.5
1.5
0.1
700
8
0.6
5.0
1
970
10
11
1.0
?
μA
mV
V-μs
V
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Specifications to -40°C are guaranteed by design, not production tested.
When V IN is below this level, the boost and LDO outputs are disabled.
Guaranteed by design.
Minimum time to hold CTLIN low to invoke shutdown. If CTLIN is held low for less than t OFF , device does not enter shutdown.
Switching regulator regulates this voltage to keep LDO from dropping out.
_______________________________________________________________________________________
3
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