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参数资料
| 型号： | ISL6232EVAL1 |
| 厂商： | Intersil |
| 文件页数： | 4/25页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD 1 ISL6232 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，LDO 步降 |
| 输出及类型： | 4，非隔离 |
| 输入电压： | 5.5 ~ 25 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ISL6232 |
ISL6232
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 (Note 2). 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. (Continued)
PARAMETER
UGATE/LGATE Gate Driver Sink Current
UGATE/LGATE Gate Driver Source Current
UGATE Gate Driver Pull-Up Resistance
UGATE Gate Driver Pull-Down Resistance
LGATE Gate Driver Pull-Up Resistance
LGATE Gate Driver Pull-Down Resistance
OUT3/OUT5 ON-Resistance at Discharge Mode
OUT3/OUT5 Low-Side Switch Turn-On
TEST CONDITIONS
UGATE and LGATE are forced to 2.5V
UGATE and LGATE are forced to 2.5V
Force BOOT-PHASE to 5V
Force BOOT-PHASE to 5V
LDO5 = 5V
LDO5 = 5V
MIN
0.2
TYP
2
1
2
1
2
1
20
0.3
MAX
4
2.5
4
2.5
40
0.4
UNITS
A
A
Ω
Ω
Ω
Ω
Ω
V
Threshold at Discharge Mode
LINEAR REGULATOR AND REFERENCE
VIN Shutdown Current
VIN Standby Current
VIN Operating Supply Current
VIN = 5.5V to 25V, SHDN# = 0V
VIN = 5.5V to 25V, EN3 = EN5 = 0
LDO5 switched to OUT5, 5V SMPS enabled and
5
150
1
10
200
7
μA
μA
μA
LDO3 switched to OUT3, 3.3V SMPS enabled.
LDO5 Output Voltage
VIN = 6V to 25V, EN3 = EN5 = 0, I LDO5 = 0 to 100mA
4.9
5.0
5.1
V
VIN = 5.5V to 25V, EN3 = EN5 = 0, I LDO5 = 0 to 100mA
4.8
V
LDO5 Maximum Output Current
VIN = 5.5V to 25V, EN3 = EN5 = 0
100
mA
LDO5 Current Limit
LDO5 Undervoltage Lockout Threshold
LDO5 pulled to GND
Rising Edge
Falling Edge
4.0
170
4.3
4.2
300
4.5
mA
V
V
LDO5 Switch-Over Threshold
LDO5 Switch-Over Resistance
OUT5 to LDO5
4.63
4.78
2
4.93
3
V
Ω
LDO3 Output Voltage
VIN = 6V to 25V, EN3 = EN5 = 0, I LDO3 = 0 to 100mA
3.215
3.28
3.345
V
VIN = 5.5V to 25V, EN3 = EN5 = 0, I LDO3 = 0 to 100mA
3.115
V
LDO3 Maximum Output Current
VIN = 5.5V to 25V, EN3 = EN5 = 0
100
mA
LDO3 Current Limit
LDO3 Switch-Over Threshold
LDO3 Switch-Over Resistance
Quiescent Power Consumption
LDO3 pulled to GND
Rising Edge
Falling Edge
OUT3 to LDO3
VIN = 5.5V to 25V, FB3 = FB5 = SKIP# = 0V, Both
2.85
170
3.00
2.95
2.5
3.5
300
3.10
3.8
5
mA
V
V
Ω
mW
SMPSs are enabled
REF Output Voltage
REF Load Regulation
No Load
0μA<I REF <100μA
1.97
2.00
2.03
25
V
mV
FAULT DETECTION
Output Overvoltage Trip Threshold
OUT is above the target voltage at no load
109
113
117
%
Rising
Output Overvoltage Fault Propagation Delay
FB = 1.0V
1
μs
Output Undervoltage Trip Threshold
Output Undervoltage Latch Blanking Time
OUT is below the target voltage at no load
FB = 0.5V
70
15
75
20
78
25
%
ms
4
FN9116.1
April 20, 2009
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