参数资料
型号: ISL9021AIRUFZ-T7A
厂商: Intersil
文件页数: 5/12页
文件大小: 0K
描述: IC REG LDO 2.5V .25A 6UTDFN
标准包装: 250
稳压器拓扑结构: 正,固定式
输出电压: 2.5V
输入电压: 最高 5.5V
电压 - 压降(标准): 0.15V @ 250mA
稳压器数量: 1
电流 - 输出: 250mA(最小)
电流 - 限制(最小): 260mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 6-UFDFN
供应商设备封装: 6-UTDFN(1.6x1.6)
包装: 带卷 (TR)
ISL9021A
Absolute Maximum Ratings
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.5V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (VIN + 0.3)V
Recommended Operating Conditions
Ambient Temperature Range (T A ) . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Supply Voltage (V IN ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 to 5.5V
ESD Rating
Human Body Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5000V
Thermal Information
Thermal Resistance (Typical) θ JA (°C/W) θ JC (°C/W)
4 Ball WLCSP (Note 5) . . . . . . . . . . . . . . . . . 135.64 N/A
6 Lead μTDFN (Notes 6, 7) . . . . . . . . . . . . . 230 93
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C
Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250V
Charged Device Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2200V
Latch-Up Passed at +85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
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:
5. 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 .
6. θ JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
7. For θ JC , the “case temp” location is taken at the package top center.
Electrical Specifications T A = -40°C to +85°C; V IN = (V O + 0.5V) to 5.5V with a minimum V IN of 1.5V; C IN = 1μF; C O = 1μF. Boldface
limits apply over the operating temperature range, -40°C to +85°C.
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 10)
TYP
(Note 10)
UNIT
DC CHARACTERISTICS
Supply Voltage
V IN
1.5
5.5
V
V IN Undervoltage Lockout
Threshold
Ground Current
Shutdown Current
Output Voltage Accuracy
V UVLO+
V UVLO-
I DD
I DDS
V IN Rising
V IN Falling
Output Enabled; I O = 0; V IN = 1.5V to 5.5V
V IN = 5.5V, EN = Low, I O = 0
V IN = V O + 0.5V to 5.5V, I O = 1mA to 250mA, T J = +25 ° C
1.3
-0.8
1.425
1.375
35
0.1
1.5
50
1.0
+0.8
V
V
μA
μA
%
V IN = V O + 0.5V to 5.5V, I O = 1mA to 250mA, T J = -40 ° C to +125 ° C
-1.8
+1.8
%
Maximum Output Current
Internal Current Limit
I MAX
I LIM
Continuous
250
260
mA
mA
Dropout Voltage (Notes 8, 9)
Thermal Shutdown Temperature
V DO
T SD
I O = 250mA; V O > 1.8V
150
160
250
mV
°C
Thermal Shutdown Hysteresis
AC CHARACTERISTICS
20
°C
Ripple Rejection (Note 8)
Output Noise Voltage (Note 8)
V IN = 4.5V, V O = 3.3V @ 1kHz
V IN = 4.5V, V O = 3.3V @ 10kHz
V IN = 4.5V, V O = 3.3V @ 1MHz
V IN = 4.2V, T A = +25 ° C, BW = 10Hz to 100kHz, I O = 10mA
60
75
50
8.5*V O
dB
dB
dB
μV RMS
DEVICE START-UP CHARACTERISTICS
Device Enable Time
LDO Soft-start Ramp Rate
t EN
t SSR
Time from assertion of the EN pin to when the output voltage
reaches 95% of the V O (nom)
Slope of linear portion of LDO output voltage ramp during start-up
250
30
600
60
μs
μs/V
5
FN7845.3
December 20, 2012
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