参数资料
型号: ISL9021IRUPZ-T
厂商: Intersil
文件页数: 3/10页
文件大小: 0K
描述: IC REG LDO 1.85V .25A 6UTDFN
标准包装: 3,000
稳压器拓扑结构: 正,固定式
输出电压: 1.85V
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)
ISL9021
Absolute Maximum Ratings
Thermal Information
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.5V
Thermal Resistance (Typical, Note 5)
θ JA (°C/W)
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
4 Ball WLCSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135.64
6 Lead μTDFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
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
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.
NOTE:
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.
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; Parameters
with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits
established by characterization and are not production tested.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DC CHARACTERISTICS
Supply Voltage
V IN
1.5
5.5
V
V IN Undervoltage Lockout
V UVLO+
V IN Rising
1.425
1.5
V
Threshold
V UVLO-
V IN Falling
1.3
1.375
V
Ground Current
Shutdown Current
Output Voltage Accuracy
I DD
I DDS
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 150mA, T J = +25°C
-0.8
35
0.1
50
1.0
+0.8
μA
μA
%
V IN = V O + 0.5V to 5.5V, I O = 1mA to 150mA, 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 6, 7)
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 6)
Output Noise Voltage (Note 6)
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
t EN
Time from assertion of the EN pin to when the output voltage
250
600
μs
reaches 95% of the V O (nom)
LDO Soft-start Ramp Rate
t SSR
Slope of linear portion of LDO output voltage ramp during start-up
30
60
μs/V
EN LOGIC CHARACTERISTICS
Input Low Voltage
Input High Voltage
Input Leakage Current
V IL
V IH
I IL, I IH
1.1
0.4
0.1
V
V
μA
NOTES:
6. Limits established by characterization and are not production tested.
7. Dropout voltage is measured as V IN - V O , when V O is 4% lower than the value of V O ; when V IN = V O + 0.5V.
3
FN6867.2
January 14, 2010
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