参数资料
| 型号： | ISL65426HRZ |
| 厂商： | Intersil |
| 文件页数： | 7/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A DL 50QFN |
| 产品培训模块： | Dual Synchronous Integrated FET Buck Regulator Solutions for Industrial Control Applications |
| 标准包装： | 30 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 1 V ~ 4 V |
| 输入电压： | 3 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 6A |
| 同步整流器： | 是 |
| 工作温度： | -10°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 50-VFQFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 50-QFN（5x10） |
| 产品目录页面： | 1248 (CN2011-ZH PDF) |
ISL65426
Absolute Maximum Ratings
Thermal Information
VCC, PVINx, LXx . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +6V
Thermal Resistance
θ JA (°C/W)
θ JC (°C/W)
FBx, ENx, VxSETx, ISETx, PGOODx . . . . . . . -0.3V to VCC + 0.3V
Recommended Operating Input Range
VCC, PVINx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to +5.5V
50 Ld QFN Package (Notes 1, 2). . . . . 23 2.5
Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Ambient Temperature Range (ISL65426HRZ). . . . .-10°C to +100°C
Ambient Temperature Range (ISL65426IRZA) . . . . .-40°C to +85°C
Operating Junction Temperature Range . . . . . . . . .-10°C to +125°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
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:
1. 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 Brief TB379 for details.
2. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside. See Tech Brief TB379 for details.
Electrical Specifications
Recommended operating conditions, unless otherwise noted. VCC = PVIN = 5.0V,
T A = -10°C to +100°C for ISL65426HRZ and T A = -40°C to +85°C for ISL65426IRZA. (Note 5)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY
Quiescent Supply Current
EN1 = EN2 = EN = VCC = 5V, I OUT1 = I OUT2 = 0mA
30
mA
Shutdown Supply Current
EN1 = EN2 = EN = GND, VCC = PVIN = 5.5V
EN1 = EN2 = EN = GND, VCC = PVIN = 3.3V
5.4
2.8
7
3.2
mA
mA
PHASE CONFIGURATION
LX Pull-Down
LX1, LX3, LX4, LX5, LX6 Only - Configuration Only
1
mA
LX Output Leakage
Minimum Controllable ON-time
Low Level, Single LX Output
High Level, Single LX Output
(Note 3)
-5
-5
125
5
5
μA
μA
ns
OUTPUT VOLTAGE TOLERANCE
Reference Voltage Tolerance
Programmed Output Voltage Tolerance
T J = -40°C to +100°C
T J = 100°C to +125°C
T J = -40°C to +125°C; No Load
0.594
0.591
-2
0.6
0.6
0.606
0.609
+2
V
V
%
OSCILLATOR
T J = -40°C to +125°C (Note 4); Full Load
±5
%
Accuracy
Maximum LX Pulse Width
Minimum LX Pulse Width
0.8
1
950
50
1.2
MHz
ns
ns
OUTPUT VOLTAGE SELECTION
VxSETx Input High Threshold
VxSETx Pull-down
0.4
7
1.2
10
1.5
15
V
μA
POWER BLOCKS
ISETx Input High Threshold
ISETx Pull-up
Output Current
Peak Output Current Limit
Per Block; VCC = PVIN = 5.0V; VOUT = 1.8V (Note 3)
Per Block; VCC = PVIN = 3V; VOUT = 1.2V (Note 3)
Per Block
0.4
7
1.2
10
2.0
1.5
15
1
0.7
V
μA
A
A
A
7
FN6340.3
March 25, 2008
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