参数资料
型号: MAX16955AUE/V+
厂商: Maxim Integrated Products
文件页数: 4/26页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 16TSSOP
其它有关文件: Automotive Product Guide
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 96
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
电源电压: 3.5 V ~ 36 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
包装: 管件
MAX16955
36V, 1MHz Step-Down Controller
with Low Operating Current
ELECTRICAL CHARACTERISTICS (continued)
(V SUP = V EN = 14V, C IN = 10μF, C OUT = 94μF, C BIAS = 2.2μF, C BST = 0.1μF, R FOSC = 76.8k Ω , T A = T J = -40°C to +125°C, unless
otherwise noted. Typical values are at T A = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GATE DRIVE
DH Gate-Driver On-Resistance
DL Gate-Driver On-Resistance
R DH
R DL
(V BST - V LX ) forced to 5V
(V BST - V LX ) forced to 0V
DL = high state
DL = low state
10
2
3.5
2
DH/DL Dead Time (Note 4)
BST Input Current
BST On-Resistance
t DEAD
I BST
DL rising (Note 5)
DH rising (Note 5)
V LX = 0V, V BST = 5V,
V DH - V LX = V DL - V PGND = 0V
(Note 5)
60
60
1
5
15
ns
μA
ENABLE INPUT
EN Input Threshold Low
EN Input Threshold High
EN Threshold Voltage
Hysteresis
EN Input Current
V EN,LO
V EN,HI
I EN
2.2
0.2
0.5
1.2
V
V
V
μA
SOFT-START
Soft-Start Ramp Time
t SS
5
ms
Note 2:
Note 3:
Note 4:
Note 5:
4
Devices tested at T A = +25°C. Limits over temperature are guaranteed by design.
For 3.5V operation, the n-channel MOSFET’s threshold voltage should be compatible to (lower than) this input voltage.
Device not in dropout condition.
Guaranteed by design; not production tested.
Maxim Integrated
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