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参数资料
| 型号： | ISL6236EVAL1 |
| 厂商： | Intersil |
| 文件页数： | 5/35页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD 1 FOR ISL6236 |
| 标准包装： | 1 |
| 系列： | * |
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ISL6236
Electrical Specifications
No load on LDO, OUT1, OUT2, V REF3 , and REF, V IN = 12V, EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V,
VEN_LDO = 5V, T A = -40°C to +100°C, unless otherwise noted. Typical values are at T A = +25°C. Boldface
limits apply over the operating temperature range, -40°C to +85°C. (Continued)
MIN
MAX
PARAMETER
Undervoltage-Lockout Fault Threshold
CONDITIONS
Rising edge of PVCC
(Note 6)
TYP
4.35
(Note 6)
4.5
UNITS
V
Falling edge of PVCC
3.9
4.05
LDO 5V Bootstrap Switch Threshold to BYP Rising edge at BYP regulation point
4.53
4.68
4.83
V
LDOREFIN = GND
LDO 3.3V Bootstrap Switch Threshold to
Rising edge at BYP regulation point
3.0
3.1
3.2
V
BYP
LDOREFIN = VCC
LDO 5V Bootstrap Switch Equivalent
LDO to BYP, BYP = 5V, LDOREFIN > (VCC -1V) (Note 5)
0.7
1.5
Ω
Resistance
LDO 3.3V Bootstrap Switch Equivalent
LDO to BYP, BYP = 3.3V, LDOREFIN < 0.3V (Note 5)
1.5
3.0
Ω
Resistance
VREF3 Output Voltage
VREF3 Load Regulation
VREF3 Current Limit
REF Output Voltage
No external load, VCC > 4.5V
No external load, VCC < 4.0V
0 < I LOAD < 5mA
VREF3 = GND
No external load
3.235
3.220
1.980
3.300
3.300
10
10
2.000
3.365
3.380
17
2.020
V
V
mV
mA
V
REF Load Regulation
REF Sink Current
0 < I LOAD < 50μA
REF in regulation
10
10
mV
μA
VIN Operating Supply Current
Both SMPSs on, FB1 = SKIP = GND, REFIN2 = VCC
25
50
μA
V OUT1 = BYP = 5.3V, V OUT2 = 3.5V
VIN Standby Supply Current
VIN Shutdown Supply Current
Quiescent Power Consumption
V IN = 5.5V to 25V, both SMPSs off, EN LDO = VCC
V IN = 4.5V to 25V, EN1 = EN2 = EN LDO = 0V
Both SMPSs on, FB1 = SKIP = GND, REFIN2 = VCC,
180
20
5
250
30
7
μA
μA
mW
V OUT1 = BYP = 5.3V, V OUT2 = 3.5V
FAULT DETECTION
Overvoltage Trip Threshold
Overvoltage Fault Propagation Delay
POK Threshold
FB1 with respect to nominal regulation point
REFIN2 with respect to nominal regulation point
FB1 or REFIN2 delay with 50mV overdrive
FB1 or REFIN2 with respect to nominal output, falling
+8
+12
-12
+11
+16
10
-9
+14
+20
-6
%
%
μs
%
edge, typical hysteresis = 1%
POK Propagation Delay
POK Output Low Voltage
POK Leakage Current
Thermal-Shutdown Threshold
Out-Of-Bound Threshold
Falling edge, 50mV overdrive
I SINK = 4mA
High state, forced to 5.5V
FB1 or REFIN2 with respect to nominal output voltage
10
+150
5
0.2
1
μs
V
μA
°C
%
Output Undervoltage Shutdown Threshold
Output Undervoltage Shutdown Blanking
FB1 or REFIN2 with respect to nominal output voltage
From EN signal
65
10
70
20
75
30
%
ms
Time
INPUTS AND OUTPUTS
FB1 Input Voltage
Low level
High level
VCC - 1.0
0.3
V
V
REFIN2 Input Voltage
OUT2 Dynamic Range, V OUT2 = V REFIN2
Fixed OUT2 = 1.05V
Fixed OUT2 = 3.3V
0.5
3.0
VCC - 1.0
2.50
VCC - 1.1
V
V
V
5
FN6373.6
April 29, 2010
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