参数资料
型号: MAX5098AATJ+T
厂商: Maxim Integrated Products
文件页数: 5/28页
文件大小: 0K
描述: IC REG BUCK BST ADJ 1A/2A 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),升压(升压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 0.85 V,4.5 V ~ 28 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 Buck or Boost
Converter with 80V Load-Dump Protection
ELECTRICAL CHARACTERISTICS (continued)
(VDRV = V L , V+ = V L = IN_HIGH = 5.2V or V+ = IN_HIGH = 5.2V to 19V, EN_ = V L , SYNC = GND, I VL = 0mA, PGND_ = SGND,
C BYPASS = 0.22μF (low ESR), C VL = 4.7μF (ceramic), C V+ = 1μF (low ESR), C IN_HIGH = 1μF (ceramic), R IN_HIGH = 3.9k Ω , R OSC = 10k Ω ,
T J = -40°C to +125°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FSEL_1
FSEL_1 Input High Threshold
FSEL_1 Input Low Threshold
FSEL_1 Input Leakage
V IH
V IL
I FSEL_1_LEAK
2
0.8
2
V
V
μA
ON/OFF
ON/OFF Input High Threshold
ON/OFF Input Low Threshold
V IH
V IL
2
0.8
V
V
ON/OFF Input Leakage Current
I ON/OFF_LEAK
V ON/OFF = 5V
0.26
2.00
μA
EN_ INPUTS
EN_ Input High Threshold
V IH
EN_ rising
1.9
2.0
2.1
V
EN_ Input Hysteresis
V EN_HYS
0.5
V
EN_ Input Leakage Current
I EN_LEAK
-1
+1
μA
POWER-GOOD OUTPUT (PGOOD1, PGOOD2)
PGOOD_ Threshold
PGOOD_ Output Voltage
PGOOD_ Output Leakage
Current
V TPGOOD_
V PGOOD_
I LKPGOOD_
Falling
I SINK = 3mA
V+ = V L = V IN_HIGH = V EN_ = 5.2V,
V PGOOD_ = 23V, V FB_ = 1V
90
92.5
95
0.4
2
% V FB_
V
μA
OUTPUT OVERVOLTAGE PROTECTION
FB_ OVP Threshold Rising
FB_ OVP Threshold Falling
V OVP_R
V OVP_F
107
114
12.5
121
% V FB_
V
THERMAL PROTECTION
Thermal Shutdown
Thermal Hysteresis
T SHDN
T HYST
Rising
+165
20
°C
°C
Note 2: 100% tested at T A = +25°C and T A = +125°C. Specifications at T A = -40°C are guaranteed by design and not production
tested.
Note 3: Operating supply range (V+) is guaranteed by V L line regulation test. Connect V+ to IN_HIGH and V L for 5V operation.
Note 4: Output current is limited by the power dissipation of the package; see the Power Dissipation section in the Applications
Information section.
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