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参数资料
| 型号： | MAX17019ATM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/25页 |
| 文件大小： | 0K |
| 描述： | IC VOLT CTRL QUAD OUT 48-TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 嵌入式系统，控制台/机顶盒 |
| 电源电压： | 5.5 V ~ 38 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-WFQFN 裸露焊盘 |
| 供应商设备封装： | 48-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
High-Input-Voltage Quad-Output Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V INLDO = 12V, V INA = V INBC = V DD = V CC = V BYP = V CSPA = V CSNA = 5V, V IND = 1.8V, V SHDN = V ONA = V ONB =
V ONC = V OND = 5V, I REF = I LDO5 = I OUTD = no load, FREQ = GND, UP /DN = V CC , T A = 0°C to +85°C , unless otherwise noted.
Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
5V LINEAR REGULATOR (LDO5)
LDO5 Output Voltage
LDO5 Short-Circuit Current Limit
V LDO5
V INLDO = 5.5V to 38V, I LDO5 = 0 to 50mA,
BYP = GND
LDO5 = BYP = GND, V INLDO = 5.5V
4.75
70
5.0
160
5.2
250
V
mA
BYP Switchover Threshold
LDO5-to-BYP Switch Resistance
V BYP
R BYP
Rising edge
LDO5 to BYP, V BYP = 5V, I LDO5 = 50mA
4.65
1.5
4
V
1.25V REFERENCE
Reference Output Voltage
Reference Load Regulation
V REF
V REF
No load
I REF = -1μA to +50μA
1.237
1.25
3
1.263
10
V
mV
Reference Undervoltage Lockout
V REF(UVLO)
1.0
V
OSCILLATOR
Oscillator Frequency
f OSC
FREQ = V CC
FREQ = REF
500
750
kHz
f SWA
FREQ = GND
Regulator A
0.9
1.0
1/2 f OSC
1.1
MHz
Switching Frequency
Maximum Duty Cycle
(All Switching Regulators)
Minimum On-Time
(All Switching Regulators)
f SWB
f SWC
D MAX
t ON(MIN)
Regulator B
Regulator C
FREQ = V CC or GND
FREQ = REF
90
f OSC
1/2 f OSC
93.5
90
75
MHz
%
ns
REGULATOR A (Main Step-Down)
Output Voltage-Adjust Range
Step-down configuration ( UP /DN = V CC )
1.0
V CC +
0.3
V
FBA Regulation Voltage
FBA Regulation Voltage
(Overload)
FBA Load Regulation
V FBA
V FBA
V FBA
Step-down configuration ( UP /DN = V CC ),
V CSPA - V CSNA = 0 to 20mV, 90% duty cycle
Step-down configuration ( UP /DN = V CC ),
V CSPA - V CSNA = 0 to 20mV, 90% duty cycle
Step-down configuration ( UP /DN = V CC ),
V CSPA - V CSNA = 0 to 20mV
0.968
0.930
0.97
16
1.003
1.003
V
V
mV
FBA Line Regulation
UP /DN = V CC ,
0 to 100% duty cycle
Step-down
( UP /DN = V CC )
10
16
22
mV
FBA Input Current
Current-Sense Input Common-
Mode Range
Current-Sense Input Bias Current
I FBA
V CSA
I CSA
UP /DN = GND or V CC , T A = +25°C
T A = +25°C
-100
0
-5
40
+100
V CC +
0.3V
60
nA
V
μA
Idle Mode ? Threshold
V IDLEA
4
mV
Idle Mode is a trademark of Maxim Integrated Products, Inc.
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