参数资料
型号: ADP1882ARMZ-1.0-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: 1MHz
占空比: 45%
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
其它名称: ADP1882ARMZ-1.0-R7DKR

ADP1882/ADP1883
SPECIFICATIONS
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). V DD = 5 V, BST ? SW = 5 V,
V IN = 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
V IN
ADP1882ARMZ-0.3/ADP1883ARMZ-0.3 (300 kHz)
ADP1882ARMZ-0.6/ADP1883ARMZ-0.6 (600 kHz)
ADP1882ARMZ-1.0/ADP1883ARMZ-1.0 (1.0 MHz)
2.75
2.75
3.0
12
12
12
20
20
20
V
V
V
Low Input Voltage Range
V DD
C IN = 1 μF to PGND, C IN = 0.22 μF to GND
ADP1882ARMZ-0.3/ADP1883ARMZ-0.3 (300 kHz)
ADP1882ARMZ-0.6/ADP1883ARMZ-0.6 (600 kHz)
ADP1882ARMZ-1.0/ADP1883ARMZ-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 V DD (see Figure 35 for temperature variation)
Falling V DD from operational state
140
2.65
190
215
μA
V
mV
SOFT START
Soft Start Period
3.0
ms
ERROR AMPLIFIER
FB Regulation Voltage
V FB
T J = 25°C
800
mV
T J = ?40°C to +85°C
T J = ?40°C to +125°C
795.3
792.8
800
800
805.5
808.0
mV
mV
Transconductance
FB Input Leakage Current
G M
I FB, LEAK
FB = 0.8 V, COMP/EN = released
300
520
1
730
50
μs
nA
CURRENT-SENSE AMPLIFIER GAIN
Programming Resistor (RES)
RES = 47 kΩ ± 1%
2.98
3.4
3.7
V/V
Value from DRVL to PGND
RES = 22 kΩ ± 1%
RES = none
RES = 100 kΩ ± 1%
6
24.1
12.1
6.6
26.7
13.4
7.4
29.3
14.7
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
ADP1882ARMZ-0.3/
ADP1883ARMZ-0.3 (300 kHz)
300
kHz
On Time
Minimum On Time
Minimum Off Time
V IN = 5 V, V OUT = 2 V, T J = 25°C
V IN = 20 V
84% duty cycle (maximum)
1115
1200
145
340
1285
190
400
ns
ns
ns
ADP1882ARMZ-0.6/
ADP1883ARMZ-0.6 (600 kHz)
600
kHz
On Time
Minimum On Time
Minimum Off Time
V IN = 5 V, V OUT = 2 V, T J = 25°C
V IN = 20 V, V OUT = 0.8 V
65% duty cycle (maximum)
490
540
82
340
585
110
400
ns
ns
ns
ADP1882ARMZ-1.0/
ADP1883ARMZ-1.0 (1.0 MHz)
1.0
MHz
On Time
Minimum On Time
Minimum Off Time
V IN = 5 V, V OUT = 2 V, T J = 25°C
V IN = 20 V
45% duty cycle (maximum)
280
312
60
340
340
85
400
ns
ns
ns
Rev. 0 | Page 3 of 40
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