参数资料
型号: ADP1873ARMZ-0.6-R7
厂商: Analog Devices Inc
文件页数: 3/40页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 10-MSOP
标准包装: 1
PWM 型: 电流模式
输出数: 1
频率 - 最大: 600kHz
占空比: 65%
电源电压: 2.75 V ~ 20 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 标准包装
产品目录页面: 792 (CN2011-ZH PDF)
其它名称: ADP1873ARMZ-0.6-R7DKR

Data Sheet
ADP1872/ADP1873
SPECIFICATIONS
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). VDD = 5 V,
BST ? SW = 5 V, VIN = 13 V. The specifications are valid for T J = ?40°C to +125°C, unless otherwise specified.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
POWER SUPPLY CHARACTERISTICS
High Input Voltage Range
VIN
ADP1872ARMZ-0.3/ADP1873ARMZ-0.3 (300 kHz)
ADP1872ARMZ-0.6/ADP1873ARMZ-0.6 (600 kHz)
ADP1872ARMZ-1.0/ADP1873ARMZ-1.0 (1.0 MHz)
2.75
2.75
3.0
12
12
12
20
20
20
V
V
V
Low Input Voltage Range
VDD
C IN = 1 μF to PGND, C IN = 0.22 μF to GND
ADP1872ARMZ-0.3/ADP1873ARMZ-0.3 (300 kHz)
ADP1872ARMZ-0.6/ADP1873ARMZ-0.6 (600 kHz)
ADP1872ARMZ-1.0/ADP1873ARMZ-1.0 (1.0 MHz)
2.75
2.75
3.0
5
5
5
5.5
5.5
5.5
V
V
V
Quiescent Current
I Q_DD + I Q_BST
FB = 1.5 V, no switching
1.1
mA
Shutdown Current
Undervoltage Lockout
UVLO Hysteresis
I DD, SD + I BST, SD
UVLO
COMP/EN < 285 mV
Rising VDD (See Figure 34 for temperature variation)
Falling VDD from operational state
140
2.65
190
215
μA
V
mV
SOFT START
Soft Start Period
3.0
ms
ERROR AMPLIFER
FB Regulation Voltage
V FB
T J = 25°C
600
mV
T J = ?40°C to +85°C
T J = ?40°C to +125°C
595.5
594.2
600
600
605.4
606.5
mV
mV
Transconductance
FB Input Leakage Current
G M
I FB, LEAK
FB = 0.6 V, COMP/EN = released
300
515
1
730
50
μs
nA
CURRENT-SENSE AMPLIFIER GAIN
Programming Resistor (RES)
RES = 47 kΩ ± 1%
2.7
3
3.3
V/V
Value from DRVL to PGND
RES = 22 kΩ ± 1%
RES = none
RES = 100 kΩ ± 1%
5.5
11
22
6
12
24
6.5
13
26
V/V
V/V
V/V
SWITCHING FREQUENCY
Typical values measured at 50% time points with
0 nF at DRVH and DRVL; maximum values are
guaranteed by bench evaluation 1
ADP1872ARMZ-0.3/
ADP1873ARMZ-0.3 (300 kHz)
300
kHz
On-Time
Minimum On-Time
Minimum Off-Time
VIN = 5 V, V OUT = 2 V, T J = 25°C
VIN = 20 V
84% duty cycle (maximum)
1120
1200
145
320
1280
190
385
ns
ns
ns
ADP1872ARMZ-0.6/
ADP1873ARMZ-0.6 (600 kHz)
600
kHz
On-Time
Minimum On-Time
Minimum Off-Time
VIN = 5 V, V OUT = 2 V, T J = 25°C
VIN = 20 V, V OUT = 0.8 V
65% duty cycle (maximum)
500
520
82
320
580
110
385
ns
ns
ns
ADP1872ARMZ-1.0/
ADP1873ARMZ-1.0 (1.0 MHz)
1.0
MHz
On-Time
Minimum On-Time
Minimum Off-Time
VIN = 5 V, V OUT = 2 V, T J = 25°C
VIN = 20 V
45% duty cycle (maximum)
285
312
60
320
340
85
385
ns
ns
ns
Rev. B | Page 3 of 40
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ADP1873ARMZ-1.0-R7 功能描述:IC REG CTRLR BUCK PWM CM 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:100% 电源电压:8.2 V ~ 30 V 降压:无 升压:无 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:是 工作温度:0°C ~ 70°C 封装/外壳:8-DIP(0.300",7.62mm) 包装:管件 产品目录页面:1316 (CN2011-ZH PDF)
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