参数资料
型号: ISL6720AARZ
厂商: Intersil
文件页数: 6/11页
文件大小: 0K
描述: IC REG LDO 5V/ADJ 11-DFN
标准包装: 75
稳压器拓扑结构: 正,固定式和可调式
输出电压: 5V,0 V ~ 20 V,0 V ~ 15 V
输入电压: 18 V ~ 80 V
稳压器数量: 3
电流 - 输出: 25mA(最小),125mA(最小),50mA(最小)
电流 - 限制(最小): 30mA,225mA,80mA
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 11-VFDFN 裸露焊盘
供应商设备封装: 11-DFN(4x4)
包装: 管件
ISL6720A
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 2
and “Typical Application” on page 3. 17 V < VPWR < 100V, C VSW = C VCONT = 1μF, I VCONT = -250 μ A,
I VSW = -500 μ A, VSW Enabled, T A = -40°C to +105°C (Note 4), Typical values are at T A = +25°C (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Source Voltage Headroom VIO - VCONT
VPWR = 48V, VADJ = 0V
VIO biased ext.
I VCONT = 0.95 x I VIO + 0.05 x I VPWR
Minimum Required Load
I VCONT = -25mA, minimum
I VCONT = -5mA, minimum
3.4
3.1
5.0
4.5
-250
V
V
μ A
Long Term Stability
T A = +125°C, 1000 hours, (Note 5)
0.2
%
VPWR = 100V, VADJ = 0V
VSW Disabled, I VCONT = -25mA
Operational Current (source)
VPWR = 17V, VADJ = 0V
-25
mA
VSW Disabled
Current Limit
VPWR = 17V, 100V, VADJ = 0V
-30
-95
-150
mA
VIO = 0V, 40V ext., VSW Disabled
Output Capacitance
Compensation Capacitance
(Note 5)
(Note 5)
0.47
800
1.0
1000
1.5
1200
μ F
pF
ENABLE
High Level Input Voltage (VIH)
% of VCONT
54
60
66
%
VPWR = 48V, VSWADJ = 2.14V
VADJ = 20V, I VIO = 0mA
Low Level Input Voltage (VIL)
% of VCONT
34
40
46
%
VPWR = 48V, VSWADJ = 2.14V
VADJ = 20V, I VIO = 0mA
Hysteresis
% of VCONT
16
20
24
%
VPWR = 48V, VSWADJ = 2.14V
VADJ = 20V, I VIO = 0mA
Pull-Up Resistance
V ENABLE = 0V
100
k Ω
Turn-On Delay
Turn-Off Delay
t VSW, 10% to t ENABLE, 60%
t VSW, 90% to t ENABLE, 40%
5
1
50
15
μ s
μ s
POR
Turn-On Delay
t VCONT, 10% to t VPWR > UVLO,
I VCONT = 0 μ A
150
500
μ s
POR Threshold, VCONT increasing
% of VCONT
70
89
98
%
POR Hysteresis
THERMAL PROTECTION
Thermal Shutdown 1, VSW off, VIO off
Thermal Shutdown 1 Clear
Hysteresis 1, Internal Protection
Thermal Shutdown 2, VCONT off
Thermal Shutdown 2 Clear
Hysteresis 2, Internal Protection
200
140
95
45
150
105
45
mV
°C
°C
°C
°C
°C
°C
NOTES:
4. Specifications at -40°C and +105°C are guaranteed by +25°C test with margin limits.
5. Limits established by characterization and are not production tested.
6. The maximum load capacitance is limited only by practical considerations. Large values of capacitance combined with high supply voltage
(VPWR) may activate the thermal protection prior to reaching steady state operation.
6
FN6487.1
August 23, 2007
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