参数资料
型号: ADP1111ANZ-12
厂商: Analog Devices Inc
文件页数: 2/15页
文件大小: 0K
描述: IC REG BUCK BST INV 12V .2A 8DIP
标准包装: 50
类型: 降压(降压),升压(升压),反相
输出类型: 固定
输出数: 1
输出电压: 12V
输入电压: 2 V ~ 30 V
频率 - 开关: 72kHz
电流 - 输出: 200mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
供应商设备封装: 8-PDIP
ADP1111–SPECIFICATIONS (0 C ≤ T A ≤ +70 C, V
IN
= 3 V unless otherwise noted)
Parameter
Conditions
V S
Min
Typ
Max
Units
QUIESCENT CURRENT
INPUT VOLTAGE
Switch Off
Step-Up Mode
I Q
V IN
2.0
300
500
12.6
μ A
V
COMPARATOR TRIP POINT
Step-Down Mode
30.0
V
VOLTAGE
ADP1111 1
1.20
1.25
1.30
V
OUTPUT SENSE VOLTAGE
COMPARATOR HYSTERESIS
OUTPUT HYSTERESIS
ADP1111-3.3
ADP1111-5 2
ADP1111-12 2
ADP1111
ADP1111-3.3
V OUT
3.13
4.75
11.40
3.30
5.00
12.00
8
21
3.47
5.25
12.60
12.5
50
V
V
V
mV
mV
ADP1111-5
ADP1111-12
32
75
50
120
mV
mV
OSCILLATOR FREQUENCY
f OSC
54
72
88
kHz
DUTY CYCLE
SWITCH ON TIME
Full Load
I LIM Tied to V IN
DC
t ON
43
5
50
7
65
9
%
μ s
SW SATURATION VOLTAGE
T A = +25 ° C
STEP-UP MODE
STEP-DOWN MODE
FEEDBACK PIN BIAS CURRENT
SET PIN BIAS CURRENT
V IN = 3.0 V, I SW = 650 mA
V IN = 5.0 V, I SW = 1 A
V IN = 12 V, I SW = 650 mA
ADP1111 V FB = 0 V
V SET = V REF
V SAT
I FB
I SET
0.5
0.8
1.1
160
270
0.65
1.0
1.5
300
400
V
V
V
nA
nA
GAIN BLOCK OUTPUT LOW
I SINK = 300 μ A
V SET = 1.00 V
V OL
0.15
0.4
V
REFERENCE LINE REGULATION
5 V ≤ V IN ≤ 30 V
2 V ≤ V IN ≤ 5 V
0.02
0.4
0.075
%/V
%/V
GAIN BLOCK GAIN
CURRENT LIMIT
R L = 100 k Ω 3
T A = +25 ° C
220 Ω from I LIM to V IN
A V
I LIM
1000
6000
400
V/V
mA
CURRENT LIMIT TEMPERATURE
COEFFICIENT
SWITCH OFF LEAKAGE CURRENT
T A = +25 ° C
Measured at SW1 Pin
–0.3
%/ ° C
V SW1 = 12 V
1
10
μ A
MAXIMUM EXCURSION BELOW GND
T A = +25 ° C
I SW1 ≤ 10 μ A, Switch Off
–400
–350
mV
NOTES
1
2
This specification guarantees that both the high and low trip points of the comparator fall within the 1.20 V to 1.30 V range.
The output voltage waveform will exhibit a sawtooth shape due to the comparator hysteresis. The output voltage on the fixed output versions will always be within
100 k Ω resistor connected between a 5 V source and the AO pin.
the specified range.
3
4
All limits at temperature extremes are guaranteed via correlation using standard statistical methods.
Specifications subject to change without notice.
–2 –
0
REV. A
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