参数资料
型号: MAX5099ATJ+T
厂商: Maxim Integrated Products
文件页数: 9/27页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ DL 32TQFN
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: 2
输出电压: 0.8 V ~ 17.1 V
输入电压: 4.5 V ~ 19 V
PWM 型: 电压模式
频率 - 开关: 200kHz ~ 2.2MHz
电流 - 输出: 1A,2A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 32-TQFN-EP(5x5)
Dual, 2.2MHz, Automotive Synchronous Buck
Converter with 80V Load-Dump Protection
Typical Operating Characteristics (continued)
(V+ = V IN_HIGH = 14V, unless otherwise noted. V+ = V IN_HIGH means that N1 is shorted externally.)
2.000
BYPASS VOLTAGE
vs. BYPASS CURRENT
SOURCE1, I SOURCE1 , DL1, I IDL1
MAX5099 toc23
1.998
T A = +85 ° C
T A = +125 ° C
T A = +135 ° C
SOURCE1
10V/div
1.996
0V
1.994
1.992
T A = -40 ° C
T A = +25 ° C
DL1
10V/div
OV
I SOURCE1
1A/div
1.990
0A
0
10 20 30 40 50 60 70 80 90 100
BYPASS CURRENT ( μ A)
200ns/div
100
V+ SWITCHING SUPPLY CURRENT
vs. SWITCHING FREQUENCY
V+ = IN_HIGH = ON/OFF
4
V+ STANDBY SUPPLY CURRENT
vs. TEMPERATURE
V+ = IN_HIGH = ON/OFF
80
60
T A = +25 ° C
T A = +135 ° C
3
EN1 = EN2 = SGND
f SW = 1.85MHz
2
40
20
0
T A = -40 ° C
1
0
f SW = 300kHz
300
680
1060
1440
1820
2200
-50
0
50
100
150
20
SWITCHING FREQUENCY (kHz)
IN_HIGH SHUTDOWN CURRENT
vs. TEMPERATURE
TEMPERATURE ( ° C)
IN_HIGH STANDBY CURRENT
vs. TEMPERATURE
ON/OFF = SGND
145
ON/OFF = IN_HIGH
16
12
8
IN_HIGH = 14V
IN_HIGH = 8V
IN_HIGH = 16V
135
125
115
105
EN1 = EN2 = SGND
IN_HIGH = 16V
IN_HIGH = 14V
IN_HIGH = 8V
95
4
85
0
75
-50
0
50
100
150
-50
0
50
100
150
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
_______________________________________________________________________________________
9
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