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参数资料
| 型号： | MAX8620YETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC UPMIC FOR MPU 14-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 微型电源管理集成电路（UPMIC），DSP |
| 输入电压： | 2.7 V ~ 5.5 V |
| 输出数： | 3 |
| 输出电压： | 0.6 V ~ 3.3 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
μPMIC for Microprocessors or DSPs
in Portable Equipment
ELECTRICAL CHARACTERISTICS (continued)
(V IN1 = V IN2 = +3.7V, C IN = 10μF, C BP = 0.01μF, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)
(Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUT1, OUT2 Power-Supply
Rejection Ratio
Output Noise Voltage
f = 10Hz to 10kHz, C OUT_ = 4.7μF,
I LOAD_ = 30mA
f = 100Hz to 100kHz, C OUT_ = 4.7μF,
I LOAD_ = 30mA
f = 100Hz to 100kHz, C OUT_ = 4.7μF,
I LOAD_ = 30mA, C BP open
60
45
100
dB
μV RMS
STEP-DOWN CONVERTER (OUT 3)
Output Voltage Range
FB Threshold Voltage
FB Threshold Line Regulation
V OUT3
V TH
V FB falling
V IN1 = V IN2 = 2.7V to 5.5V (Note 2)
0.6
0.6
0.08
3.3
V
V
%/V
FB Threshold Voltage Accuracy
(Falling) (% of V TH )
FB Threshold Voltage Hysteresis
(% of V TH )
FB Bias Current
V HYS
I FB
I OUT3 = 0mA
OUT3 disabled
V FB = 0.5V
T A = +25°C
T A = -40°C to +85°C
-2
-3
2
10
10
+2
+3
%
%
μA
Current Limit
On-Resistance
Rectifier-Off Current Threshold
I LIM3P
I LIM3N
R ONP
R ONN
I LXOFF
pFET switch
nFET rectifier
pFET switch, I LX = -200mA
nFET rectifier, I LX = +200mA
675
875
950
1000
0.65
0.35
30
1200
1200
1.5
0.8
60
mA
?
mA
Minimum On- and Off-Times
t ON
t OFF
107
95
ns
OPEN-DRAIN, ACTIVE-LOW RESET OUTPUT ( RESET )
RESET Output-Voltage Low
RESET Output Leakage Current
V OL
I SINK = 500μA
V RESET = 5.5V
0.3
100
V
nA
RESET Threshold Voltage
RESET Timeout Period
V THR
t RP
Percent of the OUT1 regulation voltage
(Note 4)
Figure 4
84
30
87
60
90
%
ms
LDO OUTPUT-VOLTAGE SELEC T INPUTS (SEL1, SEL2)
SEL_ Input Low Threshold
SEL_ Input High Threshold
V IN_ - 0.2V
1
V
V
SEL_ Input Bias Current
V IN1 = V IN2 = 4.2V, V SEL1 = 0V or V IN1 ,
V SEL2 = 0V or V IN1
±0.1
μA
Note 1: Specifications are 100% production tested at T A = +25°C. Maximum and minimum limits over temperature are guaranteed
by design and characterization.
Note 2: After startup.
Note 3: Guaranteed by design.
Note 4: RESET asserts low when V OUT1 drops below the specified percent of the OUT1 regulation voltage.
_______________________________________________________________________________________
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