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參數(shù)資料
| 型號： | MAX8621ZETG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Dual Step-Down DC-DC Power-Management ICs for Portable Devices |
| 中文描述： | 6-CHANNEL POWER SUPPLY SUPPORT CKT, QCC24 |
| 封裝： | 4 X 4 MM, 0.80 MM HEIGHT, THIN QFN-24 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大?。?/td> | 360K |
| 代理商： | MAX8621ZETG |
M
Dual Step-Down DC-DC Power-Management ICs
for Portable Devices
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 3.7V, C
IN1
= 10μF, C
IN2
= C
IN3
= 4.7μF, C
OUT1
= C
OUT2
= 4.7μF, C
OUT3
= C
OUT4
= 2.2μF, C
REFBP
= 0.01μF, T
A
= -40°C to
+85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Notes 1, 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Tristate High Input Threshold
Hysteresis
SEL_
50
mV
PWRON,
EN2
Pulldown Resistor
to GND
400
800
1600
k
Ω
STEP-DOWN DC-DC CONVERTER 1 (BUCK1)
Supply Current
Output Voltage Range
FB1 Threshold Voltage
FB1 Threshold Line Regulation
I
LOAD
= 0A, no switching
40
μA
V
V
%/V
0.6
3.3
V
FB1
falling
2.6V
≤
V
IN
≤
5.5V
0.603
0.3
FB1 Threshold Voltage Hysteresis
(% of V
FB1
)
1
%
Shutdown
V
FB1
= 0.5V
p-MOSFET switch (I
LIMP
)
n-MOSFET rectifier (I
LIMN
)
p-MOSFET switch, I
LX1
= -40mA
n-MOSFET rectifier, I
LX1
= 40mA
I
LXOFF
t
ON
t
OFF
0.01
0.01
1000
1000
0.65
0.35
45
107
95
FB1 Bias Current
μA
670
750
1500
1330
1.5
0.8
70
Current Limit
mA
On-Resistance
Ω
Rectifier Off-Current Threshold
mA
Minimum On- and Off-Times
ns
STEP-DOWN DC-DC CONVERTER 2 (BUCK2)
Supply Current
Output Voltage Range
FB2 Threshold Voltage
FB2 Threshold Line Regulation
I
LOAD
= 0A, no switching
40
μA
V
V
%/V
0.6
3.3
V
FB2
falling
2.6V
≤
V
IN
≤
5.5V
0.603
0.3
FB2 Threshold Voltage Accuracy
(Falling) (% of VFB2)
I
LOAD
= 0A
-2.5
+2.5
%
FB2 Threshold Voltage Hysteresis
(% of VFB2)
1
%
Shutdown
V
FB
= 0.5V
p-MOSFET switch
n-MOSFET rectifier
p-MOSFET switch, I
LX2
= -40mA
n-MOSFET rectifier, I
LX2
= 40mA
I
LXOFF
t
ON
t
OFF
0.01
0.01
1000
1000
0.65
0.35
45
107
95
FB2 Bias Current
μA
670
750
1500
1330
1.5
0.8
70
Current Limit
mA
On-Resistance
Ω
Rectifier Off-Current Threshold
mA
Minimum On- and Off-Times
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8621ZETG+ | 功能描述:PMIC 解決方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX8621ZETG+T | 功能描述:PMIC 解決方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX8621ZETG-T | 功能描述:PMIC 解決方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX8621ZEVKIT | 制造商:Maxim Integrated Products 功能描述:DUAL STEP-DOWN POWER MANAGEMENT IC - Rail/Tube |
| MAX8622ET | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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