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| 型号： | MAX16976AEE/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK 5V/ADJ 0.6A 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 降压（降压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 5V，1 V ~ 10 V |
| 输入电压： | 3.5 V ~ 28 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 220kHz ~ 1MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 16-QSOP |
MAX16976
28V, 600mA Automotive Step-Down Converter
with Low Operating Current
ABSOLUTE MAXIMUM RATINGS
SUP, SUPSW, LX, EN to GND ...............................-0.3V to +45V
BST to GND ..........................................................-0.3V to +47V
BST to LX ...............................................................-0.3V to +6V
OUT to GND ..........................................................-0.3V to +12V
SUP to SUPSW .....................................................-0.3V to +0.3V
RESETI, FOSC, COMP, BIAS,
FSYNC, CRES, RES , FB to GND .........................-0.3V to +6V
Continuous Power Dissipation (T A = +70 N C)
QSOP (derate 9.6 mW/ N C above +70 N C) .................771.5mW
Operating Temperature Range ........................ -40 N C to +125 N C
Junction Temperature .....................................................+150 N C
Storage Temperature Range............................ -65 N C to +150 N C
Lead Temperature (soldering, 10s) ................................+300 N C
Soldering Temperature (reflow) ......................................+260 N C
Output Short-Circuit Duration ....................................Continuous
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
QSOP
Junction-to-Ambient Thermal Resistance ( q JA ) .....103.7°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial .
ELECTRICAL CHARACTERISTICS
(V SUP = V SUPSW = 14V, V EN = 14V, L1 = 22 F H, C IN = 4.7 F F, C OUT = 100 F F, C BIAS = 1 F F, C BST = 0.1 F F, C CRES = 1nF, R FOSC =
61.9k I , T A = T J = -40 N C to +125 N C, unless otherwise noted. Typical values are at T A = +25 N C.)
PARAMETER
Supply Voltage
Supply Current
SYMBOL
V SUP ,
V SUPSW
I SUP
CONDITIONS
Normal operation
Normal operation, no switching
Skip mode, no load, V OU T = 5V
MIN
3.5
TYP
2.9
45
MAX
28
UNITS
V
mA
F A
Shutdown Supply Current
V EN = 0V
9
F A
BIAS Regulator Voltage
BIAS Undervoltage Lockout
V BIAS
V UVBIAS
V SUP = V SUPSW = 6V to 42V, V OUT < 3V or
V OUT > 5.5V, I LOAD = 0A (Note 2)
V BIAS rising
4.7
2.95
5.0
3.15
5.3
3.35
V
V
BIAS Undervoltage Hysteresis
Thermal-Shutdown Threshold
Thermal-Shutdown Threshold
Hysteresis
OUTPUT VOLTAGE (OUT)
550
+175
+15
mV
N C
N C
Output Voltage
V OUT
Normal operation, V FB = V BIAS , I LOAD = 1A,
T A = +25 ° C
Normal operation, V FB = V BIAS , I LOAD = 1A,
-40 ° C P T A P +125 ° C
4.95
4.9
5
5
5.05
5.1
V
Skip-Mode Output Voltage
Load Regulation
Line Regulation
V OUT_SKIP No load, V FB = V BIAS (Note 3)
V OUT = 5V, V FB = V BIAS, 30mA < I LOAD < 1A
6V < V SUP < 28V
4.9
5.05
0.3
0.02
5.2
V
%
%/V
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