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参数资料
| 型号： | MAX15009ATJ+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V/ADJ .3A 32TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
Automotive 300mA LDO Regulators with
Switched Output and Overvoltage Protector
ELECTRICAL CHARACTERISTICS (continued)
(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
FB_PROT to GATE Turn-Off
Propagation Delay
SYMBOL
t OV
CONDITIONS
FB_PROT rising from V TH_PROT -
250mV to V TH_PROT + 250mV
MIN
TYP
MAX
0.6
UNITS
μs
V SOURCE = V IN = 5.5V,
V IN +
V IN +
V IN +
GATE Output High Voltage
GATE Output Pulldown
Current
GATE Charge-Pump
Current
GATE-to-SOURCE Clamp
Voltage
V GATE - V IN
I GATEPD
I GATE
V CLMP
R GATE to IN = 1M Ω
V SOURCE = V IN ; V IN ≥ 14V,
R GATE to IN = 1M Ω
V GATE = 5V, V EN_PROT = 0V
GATE = SGND
3.2
V IN +
7.0
12
3.5
V IN +
8.1
63
45
16
3.8
V IN +
9.5
100
18
V
mA
μA
V
SWITCH
Switch Dropout
Δ V SW
Δ V SW = V OUT_LDO - V OUT_SW ,
I OUT_SW = 100mA, V OUT_LDO = 5V,
36
70
mV
no external MOSFET
ILIM = OUT_LDO, V IN = 8V
170
200
240
Switch Current Limit
I SW_LIM
R LIM = 100k Ω to SGND,
V OUT_LDO = 5V, V IN = 8V
85
100
120
mA
R LIM = 39k Ω to SGND,
V OUT_LDO = 5V, V IN = 8V
30
40
50
Current-Limit Selector ILIM
Voltage
V ILIM
R LIM = 100k Ω
0.395
V
OC_DELAY Timeout
Threshold
V OC_DELAY
1.194
1.235
1.270
V
OC_DELAY Timeout Pullup
Current
OC_DELAY Timeout
Pulldown Current
Minimum OC_DELAY
Timeout
I OC_DELAY_UP
I OC_DELAY_DOWN
t OC_DELAY_MIN
V OC_DELAY = 0.5V rising
V OC_DELAY = 0.5V, falling
C OC_DELAY is unconnected
12.5
0.75
16.0
1.00
12
21.3
1.40
μA
μA
μs
EN_SW to OUT_SW
Turn-On Time
OUT_SW rising to +0.5V,
R OUT_SW = 1k Ω
38
μs
EN_SW to OUT_SW
Turn-Off Propagation Delay
t OV_SW
EN_SW falling, V OUT_LDO - V OUT_SW
rising to +1V, R OUT_SW = 1k Ω ,
V OUT_LDO = 5V
18
μs
Note 1:
Note 2:
Note 3:
Note 4:
Specifications to -40°C are guaranteed by design and not production tested.
1.8V is the minimum limit for proper HOLD functionality.
Dropout is defined as V IN - V OUT_LDO when V OUT_LDO is 98% of the value of V OUT_LDO for V IN = V OUT_LDO + 1.5V.
Maximum output current may be limited by the power dissipation of the package.
_______________________________________________________________________________________
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