参数资料
型号: ISL8012IRZ
厂商: Intersil
文件页数: 5/17页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 2A 10DFN
产品培训模块: Solutions for Industrial Control Applications
标准包装: 100
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 5.5 V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-VFDFN 裸露焊盘
包装: 管件
供应商设备封装: 10-DFN(3x3)
ISL8012
Absolute Maximum Ratings (Reference to GND)
VIN, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
EN, RSI, PG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VIN+0.3V
LX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V (100ns)/-0.3V (DC) to 6.5V
VFB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.7V
Recommended Operating Conditions
Thermal Information
Thermal Resistance (Typical) ? JA (°C/W) ? JC (°C/W)
10 Ld 3x3 DFN (Notes 4, 5). . . . . . . . . . . 49 5.5
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-55°C to +125°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
V IN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Load Current Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0A to 2A
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
ESD Rating
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300V
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
4. ? JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379 .
5. For ? JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Unless otherwise noted, all parameter limits are established over the recommended operating conditions and
the typical specifications are measured at the following conditions: T A = -40°C to +85°C, V IN = 3.6V, EN = VCC, unless otherwise noted. Typical values are
at T A = +25°C. Boldface limits apply over the operating temperature range, -40°C to +85°C.
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 7)
TYP
(Note 7) UNITS
INPUT SUPPLY
VIN Undervoltage Lockout Threshold
Quiescent Supply Current
V UVLO
I VIN
Rising
Falling
MODE = VIN, no load at the output
2.2
2.5
2.4
40
2.7
60
V
V
μA
MODE = VIN, no load at the output and no switches
switching; design info only
15
μA
MODE = SGND, no load at the output
6
8
mA
Shut Down Supply Current
I SD
V IN = 5.5V, EN = low
0.1
2
μA
OUTPUT REGULATION
VFB Regulation Voltage
VFB Bias Current
Output Voltage Accuracy
V VFB
I VFB
T A = 0°C to +85°C
VFB = 0.75V
V IN = V O + 0.5V to 5.5V, I O = 0A to 2A (Note 6)
0.784
-3
0.8
0.1
0.816
3
V
μA
%
Line Regulation
V IN = V O + 0.5V to 5.5V (minimal 2.7V), I OUT = 400mA
0.2
%/V
COMPENSATION
Error Amplifier Trans-Conductance
Adjustable version, design info only
20
μA/V
LX
P-Channel MOSFET ON-Resistance
N-Channel MOSFET ON-Resistance
V IN = 5.5V, I O = 200mA
V IN = 2.7V, I O = 200mA
V IN = 5.5V, I O = 200mA
V IN = 2.7V, I O = 200mA
0.12
0.21
0.11
0.13
0.22
0.27
0.22
0.27
?
?
?
?
P-Channel MOSFET Peak Current Limit
I PK
2.65
3.00
3.50
A
LX Maximum Duty Cycle
100
?
PWM Switching Frequency
f S
T A = 0°C to +85°C
0.840
1
1.16
MHz
5
December 1, 2011
FN6616.2
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