参数资料
| 型号： | ISL6237IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 3/35页 |
| 文件大小： | 0K |
| 描述： | IC MAIN PWR CTRLR QUAD 32-QFN |
| 产品培训模块： | Solutions for Industrial Control Applications |
| 标准包装： | 6,000 |
| 应用： | 控制器，笔记本电脑电源系统 |
| 输入电压： | 5.5 V ~ 25 V |
| 输出数： | 4 |
| 输出电压： | 多重 |
| 工作温度： | -40°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 带卷 (TR) |
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ISL6237
Absolute Voltage Ratings
Thermal Information
VIN, EN_LDO to GND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +27V
Thermal Resistance (Typical)
θ JA (°C/W)
θ JC (°CW)
BOOT_ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
BOOT_ to PHASE_ . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
VCC, EN_, SKIP, TON,
PVCC, POK_ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
LDO, FB1, REFIN2, LDOREFIN to GND . . . -0.3V to (VCC + 0.3V)
OUT_, REF to GND . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC + 0.3V
32 Ld QFN (Notes 1, 2) . . . . . . . . . . . . 32 3.0
Operating Temperature Range . . . . . . . . . . . . . . . .-40°C to +100°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
UGATE_ to PHASE_ . . . . . . . . . . . . . . . . . . -0.3V to (PVCC + 0.3V)
ILIM_ to GND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC + 0.3V)
LGATE_, BYP to GND . . . . . . . . . . . . . . . . . -0.3V to (PVCC + 0.3V)
PGND to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to + 0.3V
LDO, REF Short Circuit to GND . . . . . . . . . . . . . . . . . . . Continuous
VCC Short Circuit to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1s
LDO Current (Internal Regulator) Continuous . . . . . . . . . . . . 100mA
LDO Current (Switched Over to OUT1) Continuous . . . . . . +200mA
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.
2. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
3. Limits established by characterization and are not production tested.
4. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested.
Electrical Specifications
No load on LDO, OUT1, OUT2, and REF, V IN = 12V, EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V,
V EN_LDO = 5V, T A = -40°C to +100°C, unless otherwise noted. Typical values are at T A = +25°C.
MIN
MAX
PARAMETER
CONDITIONS
(Note 4)
TYP
(Note 4)
UNITS
MAIN SMPS CONTROLLERS
VIN Input Voltage Range
LDO in regulation
V IN = LDO, V OUT1 < 4.43V
5.5
4.5
25
5.5
V
V
3.3V Output Voltage in Fixed Mode
1.05V Output Voltage in Fixed Mode
V IN = 5.5V to 25V, REFIN2 > (VCC - 1V), SKIP = 5V
V IN = 5.5V to 25V, 3.0 < REFIN2 < (VCC - 1.1V),
3.285
1.038
3.330
1.05
3.375
1.062
V
V
SKIP = 5V
1.5V Output Voltage in Fixed Mode
5V Output Voltage in Fixed Mode
FB1 in Output Adjustable Mode
REFIN2 in Output Adjustable Mode
SMPS1 Output Voltage Adjust Range
SMPS2 Output Voltage Adjust Range
SMPS2 Output Voltage Accuracy
V IN = 5.5V to 25V, FB1 = VCC, SKIP = 5V
V IN = 5.5V to 25V, FB1 = GND, SKIP = 5V
V IN = 5.5V to 25V
V IN = 5.5V to 25V
SMPS1
SMPS2
REFIN2 = 0.7V to 2.5V, SKIP = VCC
1.482
4.975
0.693
0.7
0.70
0.50
-1.0
1.500
5.050
0.700
1.518
5.125
0.707
2.50
5.50
2.50
1.0
V
V
V
V
V
V
%
(Referred for REFIN2)
DC Load Regulation
Line Regulation
Either SMPS, SKIP = VCC, 0 to 5A
Either SMPS, SKIP = REF, 0 to 5A
Either SMPS, SKIP = GND, 0 to 5A
Either SMPS, 6V < V IN < 24V
-0.1
-1.7
-1.5
0.005
%
%
%
%/V
Current-Limit Current Source
ILIM_ Adjustment Range
Current-Limit Threshold (Positive, Default)
Temperature = +25°C
ILIM_ = VCC, GND - PHASE_
4.75
0.2
93
5
100
5.25
2
107
μA
V
mV
(No temperature compensation)
3
FN6418.4
March 18, 2008
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