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参数资料
| 型号： | MAX15009ATN+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V/ADJ .3A 56-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 37 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 5V，1.8 V ~ 11 V |
| 输入电压： | 5 V ~ 40 V |
| 电压 - 压降（标准）： | 0.8V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA（最小） |
| 电流 - 限制（最小）： | 330mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-WFQFN 裸露焊盘 |
| 供应商设备封装： | 56-TQFN-EP（8x8） |
| 包装： | 托盘 |
Automotive 300mA LDO Regulators with
Switched Output and Overvoltage Protector
ABSOLUTE MAXIMUM RATINGS
(All pins referenced to SGND, unless otherwise noted.)
IN, GATE.................................................................-0.3V to +45V
EN_LDO, EN_SW, EN_PROT ......................-0.3V to (V IN + 0.3V)
SOURCE ......................................................-0.3V to (V IN + 0.3V)
OUT_LDO, FB_LDO, FB_PROT, RESET ,
OC_DELAY .........................................................-0.3V to +12V
GATE to SOURCE ..................................................-0.3V to +12V
OUT_SW, ILIM, HOLD ......................-0.3V to (V OUT_LDO + 0.3V)
OUT_SW to OUT_LDO ...........................................-12V to +0.3V
CT to SGND............................................................-0.3V to +12V
SGND to PGND .....................................................-0.3V to +0.3V
IN, OUT_LDO Current .......................................................700mA
OUT_SW Current...............................................................350mA
Current Sink/Source (all remaining pins) ............................50mA
Continuous Power Dissipation (T A = +70°C)
32-Pin TQFN (derate 34.5mW/°C above +70°C) .............2.7W*
Thermal Resistance
θ JA ..............................................................................29.0°C/W
θ JC ................................................................................1.7°C/W
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
*As per JEDEC 51 Standard, Multilayer Board (PCB).
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation 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.
ELECTRICAL CHARACTERISTICS
(V IN = +14V, V SGND = V PGND = 0V, C GATE = 6000pF, C IN = 10μF (ESR < 1.5 Ω ), C OUT_LDO = 22μF (ceramic), C OUT_SW = 1μF,
V OUT_LDO = 5V, C T = open, T A = T J = -40°C to +125°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
Supply Voltage Range
SYMBOL
V IN
CONDITIONS
V IN ≥ V OUT + 1.5V
MIN
5
TYP
MAX
40
UNITS
V
EN_LDO = IN, EN_SW =
EN_PROT = 0V, I OUT_LDO
= 0μA, LDO on, switch off,
protector off, measured
from SGND
EN_LDO = EN_SW = IN,
EN_PROT = 0V, LDO ON,
67
85
MAX15009
I OUT_LDO = 100μA, switch
on, I OUT_SW = 0μA,
290
360
protector off, measured
Supply Current
I IN
from SGND
EN_LDO = EN_SW =
μA
EN_PROT = IN, LDO ON,
I OUT_LDO = 100μA, switch
on, I OUT_SW = 0μA,
protector on, measured
from SGND
EN_LDO = EN_SW = IN,
LDO ON, I OUT_LDO =
360
500
MAX15011
100μA, switch on, I OUT_SW
268
360
= 0μA, measured from
SGND
Shutdown Supply Current
I SHDN
EN_LDO = EN_SW =
EN_PROT = SGND,
measured from
SGND
T A = -40°C to
+85°C
T A = -40°C to
+125°C
16
30
40
μA
IN Undervoltage Lockout
V UVLO
V IN falling, GATE disabled
4.10
4.27
4.45
V
IN Undervoltage Lockout
Hysteresis
V UVLO_HYST
260
mV
2
_______________________________________________________________________________________
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