参数资料
型号: MAX8833ETJ+
厂商: Maxim Integrated Products
文件页数: 3/20页
文件大小: 0K
描述: IC REG BUCK ADJ 3A DL 32TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.6 V ~ 3.24 V
输入电压: 2.35 V ~ 3.6 V
PWM 型: 电压模式
频率 - 开关: 1MHz ~ 2MHz
电流 - 输出: 3A
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: 32-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 32-TQFN-EP(5x5)
Dual, 3A, 2MHz Step-Down Regulator
ELECTRICAL CHARACTERISTICS (continued)
(V IN_ = V VDD = V VDL = 3.3V, V FB_ = 0.5V, V SS_ = V REFIN = 600mV, PGND_ = GND, R FSYNC = 10k Ω , L = 0.47μH, C BST_ = 0.1μF,
C SS_ = 0.022μF, PWRGD_ not connected; T A = -40°C to +85°C, typical values are at T A = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFIN, SS2
REFIN Input Bias Current
V FB _ = 0.610V
T A = +25°C
T A = +85°C
90
65
500
nA
REFIN Common-Mode Range
LX1, LX2 (All Pins Combined)
V VDD = 2.35V to 2.6V
V VDD = 2.6V to 3.6V
0
0
V VDD -
1.65
V VDD -
1.70
V
LX_ On-Resistance, High
LX_ On-Resistance, Low
I LX_ = -2A
I LX_ = -2A
V IN_ = V BST_ - V LX_ =
V IN_ = V BST_ - V LX_ =
V IN_ = 3.3V
V IN_ = 2.5V
40
42
35
37
55
54
m Ω
m Ω
LX_ Current-Limit Threshold
High-side sourcing and freewheeling
4.6
5.5
6.4
A
LX_ Leakage Current
V IN_ = 3.6V,
V EN_ = 0V
V LX_ = 3.6V
V LX_ = 0V
T A = +25°C
T A = +85°C
T A = +25°C
T A = +85°C
-10
-0.1
-0.1
10
μA
LX_ Switching Frequency
R FSYNC = 10k Ω
R FSYNC = 4.75k Ω
0.9
1.80
1.0
2.0
1.1
2.2
MHz
LX_ Minimum Off-Time
LX_ Minimum On-Time
50
95
ns
ns
LX_ Maximum Duty Cycle
Maximum LX_ Output Current
R FSYNC = 10k Ω
90
3
95
%
A RMS
EN1, EN2
EN_ Logic-Low
EN_ Logic-High
1.7
0.7
V
V
EN_ Input Current
V EN_ = 0 or 3.6V,
V VDD = 3.6V
T A = +25°C
T A = +85°C
-1
0.01
+1
μA
SS1, SS2
SS_ Charging Current
V SS_ = 300mV
5
8
11
μA
REFIN, SS2
Discharge Resistance
In shutdown or a fault condition
335
Ω
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
(Independent Channels)
Thermal-Shutdown Hysteresis
+165
20
°C
°C
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3
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