参数资料
| 型号： | ISL78225ANEZ-T |
| 厂商： | Intersil |
| 文件页数： | 9/22页 |
| 文件大小： | 0K |
| 描述： | IC PWM CONTROLLER |
| 标准包装： | 1,000 |
| 系列： | * |
ISL78225
Electrical Specifications Operating Conditions: V IN = 12V, T A = -40°C to +125°C, unless otherwise specified. Typical specifications are
at T A = +25°C. Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)
MIN
MAX
PARAMETER
Max Duty Cycle, DMAX = GND
Max Duty Cycle, DMAX = FLOAT
Max Duty Cycle, DMAX = VCC
DMAX Source/Sink Current
DMAX Source/Sink Current
TEST CONDITIONS
V COMP = 3.5V
V COMP = 3.5V
V COMP = 3.5V
During t 3 on Figure 14
After t 3 on Figure 14
(Note 6)
-1
TYP
91.7
75
83.3
50
(Note 6)
1
UNITS
%
%
%
μA
μA
PWM_TRI, PWM_INV, SYNC PIN DIGITAL LOGIC
Input Leakage Current
Input Pull-Down Current
EN < 1V
EN > 2V, Pin Voltage = 2.1V
-1
0.4
1
1.5
μA
μA
Logic Input Low
Logic Input High
DRIVE_EN, CLK_OUT PIN
2
0.8
V
V
Output High Voltage
Output Low Voltage
I DRIVE_EN = 500μA
I DRIVE_EN = -500μA
4.5
0.5
V
V
VOUT SENSE PIN
Input Leakage Current
-1
1
μA
Threshold Voltage
2.325
2.4
2.475
V
VIN SENSE PIN
Input Leakage Current
-1
1
μA
Threshold Voltage
Hysteresis
2.325
2.4
110
2.475
V
mV
VOUT_OVB, VIN_OVB PIN
Leakage Current
Low Voltage
V PIN = HIGH
I PIN = 0.5mA
1
0.2
μA
V
POWER GOOD MONITOR PIN
PGOOD Leakage Current
PGOOD Low Voltage
PGOOD = HIGH
I PGOOD = 0.5mA
1
0.2
μA
V
Overvoltage Rising Trip Point
Overvoltage Rising Hysteresis
Undervoltage Rising Trip Point
Undervoltage Rising Hysteresis
V FB /V REF , V REF2 > 2.5V
V FB /V REF , V REF2 > 2.5V
V FB /V REF , V REF2 > 2.5V
V FB /V REF , V REF2 > 2.5V
117
77
120
5
80
5
123
83
%
%
%
%
OVER-TEMPERATURE PROTECTION
Over-Temperature Trip Point
Over-Temperature Recovery Threshold
160
145
°C
°C
NOTES:
6. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise noted. Compliance to datasheet limits is assured by one or
more methods: production test, characterization and/or design.
7. Please refer to LDO current derating curve in “Internal 5V LDO Output Current Limit Derating Curves” on page 19 for I MAX vs V IN .
8. Ts = Switching Period = 1/(switching frequency).
9
FN7909.3
February 11, 2014
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