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参数资料
| 型号： | MAX15041ETE+ |
| 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： | 100 |
| 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： | 是 |
| 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： | 托盘 |
| 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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