参数资料
型号: MAX1967EUB+T
厂商: Maxim Integrated Products
文件页数: 3/15页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 10-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 127kHz
占空比: 95%
电源电压: 2.7 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
Low-Cost Voltage-Mode PWM
Step-Down Controllers
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VL = VCC = 5V (MAX1967), VIN = 5V (MAX1966), T A = -40 ° C to +85 ° C, unless otherwise noted. Typical values are at
T A = +25 ° C.)
PARAMETER
FB to COMP/EN
Transconductance
FB Input Bias Current
COMP/EN Source Current
Current-Limit Threshold Voltage
(Across Low-Side NFET)
SYMBOL
CONDITIONS
-5μA < I COMP/EN < 5μA
V FB = 0.880V
V COMP/EN = 0
LX to GND
MIN
70
15
-340
TYP
108
3
46
-305
MAX
160
100
100
-270
UNITS
μS
nA
μA
mV
MOSFET DRIVERS
Break-Before-Make Time
30
ns
DH On-Resistance in Low State
DH On-Resistance in High State
DH Peak Source and Sink
Current
DL On-Resistance in Low State
DL On-Resistance in High State
DL Source Current
DL Sink Current
Maximum Total (DH + DL)
Average Source Current
BST Leakage Current
LX Leakage Current
V BST = 5V, V LX = 0, I DH = -50mA
V BST = 5V, V LX = 0, I DH = 50mA
V BST = 5V, V LX = 0, DH = 2.5V
I DL = -50mA
I DL = 50mA
V DL = 2.5V
V DL = 2.5V
V BST = 5V, V LX = 0
V BST = 33V, V LX = 28V
V BST = 33V, V LX = 28V
1.6
2.5
1
1.1
2.5
1
2
25
0
33
4
5.5
2.5
5.5
50
100
?
?
A
?
?
A
A
mA
μA
μA
Note 1: Specifications to -40 ° C are guaranteed by design and not production tested.
Note 2: Thermal shutdown disables the buck regulator when the die reaches this temperature. Soft-start is reset and COMP/EN is
discharged to zero. In the MAX1967, the VL regulator remains on during thermal shutdown.
_______________________________________________________________________________________
3
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