参数资料
型号: MAX8561ETA+T
厂商: Maxim Integrated Products
文件页数: 3/12页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 0.5A 8TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 2.5 V
输入电压: 2.7 V ~ 5.5 V
频率 - 开关: 4MHz
电流 - 输出: 500mA
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: 8-WDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 8-TDFN-EP(3x3)
4MHz, 500mA Synchronous Step-Down
DC-DC Converters in Thin SOT and TDFN
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 3.6V, SHDN = IN, T A = -40°C to +85°C, typical values are at T A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
ODO Pullup to IN (MAX8562 Only)
Open-Drain Output Leakage
Current Limit
SYMBOL
I OHLEAK
I LIMP
I LIMN
CONDITIONS
V IN = 5.5V, ODO = IN, T A = +25°C
V IN = 5.5V, ODO = IN, T A = +85°C
PFET switch
NFET rectifier
MIN
5
600
490
TYP
10
0.01
0.1
990
680
MAX
20
0.1
1500
900
UNITS
k ?
μA
mA
On-Resistance
Rectifier-Off Current Threshold
LX Leakage Current
Minimum On- and Off-Times
R ONP
R ONN
I LXOFF
I LXLKG
t ON(MIN)
t OFF(MIN)
PFET switch, I LX = -40mA
NFET rectifier, I LX = +40mA
V IN = 5.5V, LX = GND to IN, ODO = IN,
T A = +25 ° C, SHDN = GND
V IN = 5.5V, LX = GND to IN, ODO = IN,
T A = +85 ° C, SHDN = GND
0
0.8
0.4
30
0.1
1
107
95
1.5
0.82
60
1
?
mA
μA
ns
Thermal Shutdown
Thermal-Shutdown Hysteresis
+160
20
° C
° C
Typical Operating Characteristics
(V IN = 3.6V, V OUT = 1.2V, L = 1μH (LQH32CN1R0M53), C OUT = 2.2μF, T A = +25°C, unless otherwise noted.)
100
EFFICIENCY vs. LOAD CURRENT
(V OUT = 2.5V)
4.7μH
100
EFFICIENCY vs. LOAD CURRENT
(V OUT = 1.8V)
100
EFFICIENCY vs. LOAD CURRENT
(V OUT = 1.5V)
90
90
4.7μH
90
4.7μH
80
2.2μH
1μH
80
2.2μH
1μH
80
2.2μH
1μH
70
60
50
40
70
60
50
40
70
60
50
40
0.1
1
10
100
1000
0.1
1
10
100
1000
0.1
1
10
100
1000
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
_______________________________________________________________________________________
3
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