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參數(shù)資料
| 型號： | ISL6232CAZA-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Efficiency System Power Supply Controller for Notebook Computers |
| 中文描述： | 2 A DUAL SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | ROHS COMPLIANT, PLASTIC, QSOP-28 |
| 文件頁數(shù)： | 4/25頁 |
| 文件大?。?/td> | 746K |
| 代理商： | ISL6232CAZA-T |
4
FN9116.0
April 18, 2005
UGATE/LGATE Gate Driver Sink Current
UGATE and LGATE are forced to 2.5V
2
A
UGATE/LGATE Gate Driver Source Current
UGATE and LGATE are forced to 2.5V
1
A
UGATE Gate Driver Pull-Up Resistance
Force BOOT-PHASE to 5V
2
4
UGATE Gate Driver Pull-Down Resistance
Force BOOT-PHASE to 5V
1
2.5
LGATE Gate Driver Pull-Up Resistance
LDO5 = 5V
2
4
LGATE Gate Driver Pull-Down Resistance
LDO5 = 5V
1
2.5
OUT3/OUT5 On-Resistance at Discharge Mode
20
40
OUT3/OUT5 Low-Side Switch Turn-On
Threshold at Discharge Mode
0.2
0.3
0.4
V
LINEAR REGULATOR AND REFERENCE
VIN Shutdown Current
VIN = 5.5V to 25V, SHDN# = 0V
5
10
μ
A
VIN Standby Current
VIN = 5.5V to 25V, EN3 = EN5 = 0
150
200
μ
A
VIN Operating Supply Current
LDO5 switched to OUT5, 5V SMPS enabled and
LDO3 switched to OUT3, 3.3V SMPS enabled.
1
7
μ
A
LDO5 Output Voltage
VIN = 5.5V to 25V, EN3 = EN5 = 0, I
LDO5
= 0 to 100mA
4.9
5.0
5.1
V
LDO5 Maximum Output Current
VIN = 5.5V to 25V, EN3 = EN5 = 0
100
mA
LDO5 Current Limit
LDO5 pulled to GND
170
300
mA
LDO5 Undervoltage Lockout Threshold
Rising Edge
4.3
4.5
V
Falling Edge
4.0
4.2
V
LDO5 Switch-Over Threshold
4.63
4.78
4.93
V
LDO5 Switch-Over Resistance
OUT5 to LDO5
2
3
LDO3 Output Voltage
VIN = 5.5V to 25V, EN3 = EN5 = 0, I
LDO3
= 0 to 100mA
3.215
3.28
3.345
V
LDO3 Maximum Output Current
VIN = 5.5V to 25V, EN3 = EN5 = 0
100
mA
LDO3 Current Limit
LDO3 pulled to GND
170
300
mA
LDO3 Switch-Over Threshold
Rising Edge
3.00
3.10
V
Falling Edge
2.85
2.95
V
LDO3 Switch-Over Resistance
OUT3 to LDO3
2.5
3.8
Quiescent Power Consumption
VIN = 5.5V to 25V, FB3 = FB5 = SKIP# = 0V, Both
SMPSs are enabled
3.5
5
mW
REF Output Voltage
No Load
1.97
2.00
2.03
V
REF Load Regulation
0μA<I
REF
<100μA
25
mV
FAULT DETECTION
Output Overvoltage Trip Threshold
OUT is above the target voltage at no load
Rising
109
113
117
%
Output Overvoltage Fault Propagation Delay
FB = 1.0V
1
μ
s
Output Undervoltage Trip Threshold
OUT is below the target voltage at no load
70
75
78
%
Output Undervoltage Latch Blanking Time
FB = 0.5V
15
20
25
ms
PGOOD Trip Threshold
Rising (After soft-start cycle complete)
91
97
%
Falling
83
88
%
PGOOD Propagation Delay
FB = 0.8V
10
20
μ
s
PGOOD Low Level Voltage
I
SINK
= 5mA
0.1
0.2
V
Electrical Specifications
VIN = 12V, SHDN# = EN3 = EN5 = VCC, SKIP# = FB3 = FB5 = 0V, I
LDO5
= 0mA, I
LDO3
= 0mA,
C
REF
= 0.22μF,
C
LDO3
= C
LDO5
= 4.7μF, T
A
= -10°C to +100°C, unless otherwise noted.
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6232
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