参数资料
型号: MAX15041ETE+T
厂商: Maxim Integrated Products
文件页数: 3/18页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 16TQFN
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 ~ 25.2 V
输入电压: 4.5 V ~ 28 V
PWM 型: 电流模式
频率 - 开关: 350kHz
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: 16-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 16-TQFN-EP(3x3)
Low-Cost, 3A, 4.5V to 28V Input, 350kHz, PWM
Step-Down DC-DC Regulator with Internal Switches
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 12V, C VDD = 1μF, C IN = 22μF, T A = T J = -40°C to +85°C, typical values are at T A = +25°C, unless otherwise noted.) (Note 3)
PARAMETER
FB Input Bias Current
SS Current
SS Discharge Resistance
SYMBOL
I FB
I SS
R SS
CONDITIONS
V FB = 0.5V
V FB = 0.7V
V SS = 0.45V, sourcing
I SS = 10mA, sinking, V EN = 1.6V
MIN
-100
-100
4.5
TYP
5
6
MAX
+100
+100
5.5
UNITS
nA
μA
?
SS Prebiased Mode Stop Voltage
0.65
V
Current Sense to COMP
Transconductance
COMP Clamp Low
PWM Compensation Ramp Valley
G MOD
V FB = 0.7V
9
0.68
830
S
V
mV
PWM CLOCK
Switching Frequency
Maximum Duty Cycle
f SW
D
315
350
90
385
kHz
%
Minimum Controllable On-Time
INTERNAL LDO OUTPUT (V DD )
150
ns
V DD Output Voltage
V DD Short-Circuit Current
LDO Dropout Voltage
V DD Undervoltage Lockout
Threshold
V DD
V UVLO_TH
I VDD = 1mA to 25mA, V IN = 6.5V
V IN = 6.5V
I VDD = 25mA, V DD drops by -2%
V DD rising
4.75
30
5.1
80
250
4
5.5
600
4.25
V
mA
mV
V
V DD Undervoltage Lockout
Hysteresis
V UVLO_HYST
150
mV
POWER SWITCH
LX On-Resistance
High-Side Switch Source
Current-Limit Threshold
Low-Side Switch Sink
Current-Limit Threshold
LX Leakage Current
BST Leakage Current
High-side switch, I LX = 1A
Low-side switch, I LX = 1A
V BST = 33V, V IN = V LX = 28V
V BST = 5V, V IN = 28V, V LX = 0V
V BST = 33V, V IN = V LX = 28V
5
170
105
6
-3
10
10
10
305
175
7.2
m ?
A
A
nA
nA
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
Rising
+155
20
°C
°C
HICCUP PROTECTION
Blanking Time
16 x Soft-
Start Time
Note 3: Specifications are 100% production tested at T A = +25°C. Limits over the operating temperature range are guaranteed by
design and characterization.
_______________________________________________________________________________________
3
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