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| 型号： | ISL8036IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 8/26页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 3A 24QFN |
| 标准包装： | 6,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 或 2 |
| 输出电压： | 0.8 V ~ 6 V |
| 输入电压： | 2.85 V ~ 6 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 24-QFN（4x4） |
ISL8036, ISL8036A
Absolute Maximum Ratings
(Reference to SGND)
Thermal Information
VIN1, VIN2, VDD . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V (DC) or 7V (20ms)
LX1, LX2 . . . . . . . . . . . . . -3V/(10ns)/-1.5V (100ns)/-0.3V (DC) to 6.5V (DC) or
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V (20ms)/8.5V(10ns)
EN1, EN2, PG1, PG2, SYNC, SS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
FB1, FB2, COMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.7V
NC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 0.3V
ESD Ratings
Human Body Model (Tested per JESD22-A114) . . . . . . . . . . . . . . . . . 4kV
Charged Device Model (Tested per JESD22-C101E). . . . . . . . . . . . . . 2kV
Machine Model (Tested per JESD22-A115). . . . . . . . . . . . . . . . . . . . 300V
Latch Up (Tested per JESD-78A; Class 2, Level A) . . . . . . . . . . . . . . 100mA
Thermal Resistance (Typical) θ JA (°C/W) θ JC (°C/W)
24 Ld 4x4 QFN (Notes 4, 5). . . . . . . . . . . 36 2
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
VIN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.85V to 6V
Load Current Range per Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . 0A to 3A
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
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. θ JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
5. For θ JC , “case temperature” location is at the center of the exposed metal pad on the package underside.
Electrical Specifications Unless otherwise noted, the typical specifications are measured at the following conditions:
T A = -40°C to +85°C, V IN = 3.6V, EN1 = EN2 = VDD, L = 1.5μH, C1 = C2 = C4 = 2x22μF, I OUT1 = I OUT2 = 0A to 3A, 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 6)
TYP
(Note 6)
UNITS
INPUT SUPPLY
VIN Undervoltage Lockout Threshold
Quiescent Supply Current
Shutdown Supply Current
V UVLO
I VDD
I SD
Rising
Hysteresis
SYNC = VDD, EN1 = EN2 = VDD,
F S = 1MHz, no load at the output
F S = 2.5MHz, no load at the output
V DD = 6V, EN1 = EN2 = SGND
50
2.5
100
15
30
8
2.85
40
70
20
V
mV
mA
mA
μA
OUTPUT REGULATION
FB1, FB2 Regulation Voltage
FB1, FB2 Bias Current
Load Regulation
Line Regulation
Soft-start Ramp Time Cycle
Soft-start Charging Current
V FB
I FB
I SS
VFB = 0.75V
SYNC = VDD, output load from 0A to 6A
V IN = V O + 0.5V to 6V (minimal 2.85V)
SS = VDD
0.790
4
0.8
0.1
2
0.1
1.5
5
0.810
6
V
μA
mV/A
%/V
ms
μA
COMPENSATION
Error Amplifier Trans-Conductance
SS = VDD
SS with Capacitor
20
100
μA/V
μA/V
Trans-resistance
Trans-resistance Matching
RT
RT_match
0.180
-0.03
0.2
0.220
+0.03
?
?
OVERCURRENT PROTECTION
Dynamic Current Limit ON-time
Dynamic Current Limit OFF-time
t OCON
t OCOFF
17
8
Clock pulses
SS cycle
Positive Peak Overcurrent Limit
Negative Peak Overcurrent Limit
I poc1
I poc2
I noc1
I noc2
4.1
4.1
-3.5
-3.5
4.8
4.8
-2.5
-2.5
5.5
5.5
-1.5
-1.5
A
A
A
A
8
FN6853.3
August 17, 2012
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