参数资料
型号: ISL95874IRUZ-T
厂商: Intersil
文件页数: 13/29页
文件大小: 0K
描述: IC CTRLR PWM 1PHASE GPU 16UTQFN
标准包装: 3,000
应用: 控制器,GPU 内核电源
输入电压: 3.3 V ~ 25 V
输出数: 1
输出电压: 0.5 V ~ 5 V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 16-UFQFN 裸露焊盘
供应商设备封装: 16-UTQFN(2.6x1.8)
包装: 带卷 (TR)
ISL95874, ISL95875, ISL95876
Electrical Specifications All typical specifications T A = +25°C, VCC = 5V. Boldface limits apply over the operating temperature
range, -40°C to +100°C, unless otherwise stated. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 12) TYP (Note 12) UNIT
VO Input Leakage Current
I VOoff
EN = GND, VO = 3.6V
-
0
-
μA
ERROR AMPLIFIER
FB Input Bias Current
I FB
EN = 5V, FB = 0.50V
-20
-
+50
nA
SREF (Note 9)
Soft-Start Current
Voltage Step Current
I SS
SREF = Soft-Start Mode
SREF = Setpoint-Stepping Mode
8.5
±51
17
85
25.5
±119
μA
μA
I VS
(For “H” Version Parts, T A = -10°C to +100°C )
SREF = Setpoint-Stepping Mode
±46
±85
±127
μA
POWER GOOD
PGOOD Pull-down Impedance
PGOOD Leakage Current
R PG
I PG
PGOOD = 5mA Sink
PGOOD = 5V
-
-
50
0.1
150
1.0
Ω
μA
GATE DRIVER
UGATE Pull-Up Resistance (Note 10)
UGATE Source Current (Note 10)
UGATE Sink Resistance (Note 10)
UGATE Sink Current (Note 10)
LGATE Pull-Up Resistance (Note 10)
LGATE Source Current (Note 10)
LGATE Sink Resistance (Note 10)
LGATE Sink Current (Note 10)
UGATE to LGATE Deadtime
LGATE to UGATE Deadtime
R UGPU
I UGSRC
R UGPD
I UGSNK
R LGPU
I LGSRC
R LGPD
I LGSNK
t UGFLGR
t LGFUGR
200mA Source Current
UGATE - PHASE = 2.5V
250mA Sink Current
UGATE - PHASE = 2.5V
250mA Source Current
LGATE - GND = 2.5V
250mA Sink Current
LGATE - PGND = 2.5V
UGATE falling to LGATE rising, no load
LGATE falling to UGATE rising, no load
-
-
-
-
-
-
-
-
-
-
1.1
1.8
1.1
1.8
1.1
1.8
0.55
3.6
21
21
1.7
-
1.7
-
1.7
-
1.0
-
-
-
Ω
A
Ω
A
Ω
A
Ω
A
ns
ns
PHASE
PHASE Input Impedance
R PHASE
-
33
-
k Ω
BOOTSTRAP DIODE
Forward Voltage
Reverse Leakage
V F
I R
PVCC = 5V, IF = 2mA
V R = 25V
-
-
0.58
0
-
-
V
μA
CONTROL INPUTS
EN High Threshold Voltage
EN Low Threshold Voltage
V ENTHR
V ENTHF
2.0
-
-
-
-
1.0
V
V
EN Input Bias Current
EN Leakage Current
VID<0,1> High Threshold Voltage (Note 11)
VID<0,1> Low Threshold Voltage
(Note 11)
VID<0,1> Input Bias Current (Note 11)
VID<0,1> Leakage Current (Note 11)
I EN
I ENoff
V VIDTHR
V VIDTHF
I VID
I VIDoff
EN = 5V
EN = GND
EN = 5V
EN=0V
0.85
-
0.65
-
-
-
1.7
0
-
-
0.5
0
2.55
1.0
-
0.5
-
-
μA
μA
V
V
μA
μA
PROTECTION
OCP Threshold Voltage
V OCPTH
V OCSET - V O
-1.75
-
1.75
mV
13
FN7933.1
March 2, 2012
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