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参数资料
| 型号： | MAX5089ATE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 2A 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 20 V |
| 输入电压： | 4.5 V ~ 23 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 312kHz ~ 2.1MHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
2.2MHz, 2A Buck Converters with an
Integrated High-Side Switch
ELECTRICAL CHARACTERISTICS (continued)
(V+ = V L = 5V or V+ = 5.5V to 23V, V EN = 5V, T A = T J = -40°C to +125°C, unless otherwise noted. Circuits of Figures 5 and 6. Typical
values are at T A = T J = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SYNC Frequency Range
(Note 3)
Sync Input to SOURCE Rising-
Edge Phase Delay (Note 4)
Clock Output Phase Delay With
Respect to SOURCE Waveform
(Note 5)
f SYNC
SYNC PHASE
CKO PHASE
R OSC = 10k ? , f SYNC = 1.2MHz
R OSC = 10k ? , SYNC = GND
(MAX5088 only)
200
65
115
2200
kHz
degrees
degrees
SYNC High Threshold
SYNC Low Threshold
Minimum SYNC High Pulse Width
V SYNCH
V SYNCL
t SYNC_H
2.0
100
0.8
V
V
ns
EN, RESET (MAX5088)/PGOOD (MAX5089)
EN Threshold
EN Input Bias Current
V IH
V IL
I EN
2.0
0.8
250
V
nA
RESET Threshold (Note 6)
PGOOD Threshold (Note 6)
V TH
V TH
V FB = V OUT
V FB = V OUT
90
90
92.5
92.5
95
95
% V OUT
% V OUT
FB to RESET or FB to PGOOD
Propagation Delay
t FD
3
μs
RESET Active Timeout Period
RESET , PGOOD Output Voltage
RESET , PGOOD Output Leakage
Current
t RP
V OL
I LEAK
I SINK = 3mA
V+ = V L = 5.2V, V RESET or
V PGOOD = 6V, V FB = 0.8V
140
200
254
0.4
2
ms
V
μA
THERMAL SHUTDOWN
Thermal Shutdown
Thermal-Shutdown Hysteresis
T SHDN
Temperature rising
+170
25
°C
°C
Note 1: 100% tested at +125°C. Limits over temperature are guaranteed by design.
Note 2: Output current may be limited by the power dissipation of the package. See the Power Dissipation section in the Applications
Information section.
Note 3: SYNC input frequency is equal to the switching frequency.
Note 4: From the SYNC rising edge to SOURCE rising edge.
Note 5: From the rising edge of the SOURCE waveform to the rising edge of the CKO waveform.
Note 6: RESET goes high 200ms after V OUT crosses this threshold, PGOOD goes high after V OUT crosses this threshold.
4
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