參數(shù)資料
型號(hào)： ADP1871ACPZ-0.3-R7
廠(chǎng)商： ANALOG DEVICES INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, PDSO10
封裝： 3 X 3 MM, ROHS COMPLIANT, LFCSP-10
文件頁(yè)數(shù)： 3/44頁(yè)
文件大?。?/td> 1958K
代理商： ADP1871ACPZ-0.3-R7
ADP1870/ADP1871
SPECIFICATIONS
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). V
REG
= 5 V,
V
BST
V
SW
= V
REG
V
RECT_DROP
(see Figure 40 to Figure 42). V
IN
= 12 V. The specifications are valid for T
J
= 40°C to +125°C,
unless otherwise specified.
Rev. A | Page 3 of 44
Table 1.
Parameter
POWER SUPPLY CHARACTERISTICS
High Input Voltage Range
Quiescent Current
Shutdown Current
Symbol
V
IN
I
Q_REG
+ I
Q_BST
I
REG,SD
+
I
BST,SD
UVLO
Conditions
C
IN
= 22 μF to PGND (at Pin 1)
ADP1870ARMZ-0.3/ADP1871ARMZ-0.3 (300 kHz)
ADP1870ARMZ-0.6/ADP1871ARMZ-0.6 (600 kHz)
ADP1870ARMZ-1.0/ADP1871ARMZ-1.0 (1.0 MHz)
V
FB
= 1.5 V, no switching
COMP/EN < 285 mV
Min
2.95
2.95
3.25
Typ
12
12
12
1.1
190
Max
20
20
20
280
Unit
V
V
V
mA
μA
Undervoltage Lockout
UVLO Hysteresis
INTERNAL REGULATOR
CHARACTERISTICS
VREG Operational Output Voltage
VREG Output in Regulation
Load Regulation
Line Regulation
V
IN
to V
REG
Dropout Voltage
Short VREG to PGND
SOFT START
Soft Start Period
ERROR AMPLIFER
FB Regulation Voltage
Transconductance
FB Input Leakage Current
CURRENT-SENSE AMPLIFIER GAIN
Programming Resistor (RES)
Value from DRVL to PGND
SWITCHING FREQUENCY
Rising V
IN
(see Figure 35 for temperature variation)
Falling V
IN
from operational state
VREG should not be loaded externally because it is
intended to only bias internal circuitry.
C
VREG
= 1 μF to PGND, 0.22 μF to GND, V
IN
= 2.95 V to 20 V
ADP1870ARMZ-0.3/ADP1871ARMZ-0.3 (300 kHz)
ADP1870ARMZ-0.6/ADP1871ARMZ-0.6 (600 kHz)
ADP1870ARMZ-1.0/ADP1871ARMZ-1.0 (1.0 MHz)
V
IN
= 7 V, 100 mA
V
IN
= 12 V, 100 mA
0 mA to 100 mA, V
IN
= 7 V
0 mA to 100 mA, V
IN
= 20 V
V
IN
= 7 V to 20 V, 20 mA
V
IN
= 7 V to 20 V, 100 mA
100 mA out of V
REG
, V
IN
≤ 5 V
V
IN
= 20 V
See Figure 58
T
J
= +25°C
T
J
= 40°C to +85°C
T
J
= 40°C to +125°C
V
FB
= 0.6 V, COMP/EN = released
RES = 47 kΩ ± 1%
2.65
190
V
mV
V
REG
V
FB
G
m
I
FB, Leak
2.75
2.75
3.05
4.8
4.8
596
594.2
320
2.7
5
5
5
4.981
4.982
32
33
2.5
2.0
300
229
3.0
600
600
600
496
1
3
5.5
5.5
5.5
5.16
5.16
415
320
604
605.8
670
50
3.3
V
V
V
V
V
mV
mV
mV
mV
mV
mA
ms
mV
mV
mV
μS
nA
V/V
RES = 22 kΩ ± 1%
RES = none
RES = 100 kΩ ± 1%
Typical values measured at 50% time points with 0 nF
at DRVH and DRVL; maximum values are guaranteed
by bench evaluation
1
5.5
11
22
6
12
24
6.5
13
26
V/V
V/V
V/V
ADP1870ARMZ-0.3/
ADP1871ARMZ-0.3 (300 kHz)
On-Time
Minimum On-Time
Minimum Off-Time
300
kHz
V
IN
= 5 V, V
OUT
= 2 V, T
J
= 25°C
V
IN
= 20 V
84% duty cycle (maximum)
1120
1200
146
340
1280
190
400
ns
ns
ns
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADP1871ACPZ-1.0-R7 功能描述:IC REG CTRLR BUCK PWM CM 10LFCSP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
ADP1871ARMZ-0.3-R7 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
ADP1871ARMZ-0.6-R7 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無(wú) 升壓:是 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 125°C 封裝/外殼:24-WQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
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