参数资料
| 型号： | ISL62875HRUZ-T |
| 厂商： | Intersil |
| 文件页数： | 9/22页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 20UTQFN |
| 标准包装： | 3,000 |
| 系列： | Robust Ripple Regulator™ (R³) |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 550kHz |
| 电源电压： | 4.75 V ~ 5.25 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -10°C ~ 100°C |
| 封装/外壳： | 20-UFQFN |
| 包装： | 带卷 (TR) |
ISL62875
Electrical Specifications
These specifications apply for T A = -10°C to +100°C, unless otherwise stated.
All typical specifications T A = +25°C, VCC = 5V. Boldface limits apply over the operating
temperature range, -10°C to +100°C. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 7) TYP (Note 7) UNIT
Voltage Step Current
I VS
SREF = Setpoint-Stepping Mode
±60
±100
±140
μA
EXTERNAL REFERENCE
EXTREF Operating Voltage Range
V EXT
SET0 = VCC
0
-
1.5
V
EXTREF Accuracy
V EXT_OFS SET0 = VCC, VID0 = 0V to 1.5V
-0.5
-
+0.5
%
POWER GOOD
PGOOD Pull-down Impedance
PGOOD Leakage Current
PGOOD Maximum Sink Current
(Note 6)
R PG_SS
R PG_UV
R PG_OV
R PG_OC
I PG
I PG_max
PGOOD = 5mA Sink
PGOOD = 5mA Sink
PGOOD = 5mA Sink
PGOOD = 5mA Sink
PGOOD = 5V
75
75
50
25
-
-
95
95
65
35
0.1
5.0
150
150
90
50
1.0
-
Ω
Ω
Ω
Ω
μA
mA
GATE DRIVER
UGATE Pull-Up Resistance (Note 6)
UGATE Source Current (Note 6)
UGATE Sink Resistance (Note 6)
UGATE Sink Current (Note 6)
LGATE Pull-Up Resistance (Note 6)
LGATE Source Current (Note 6)
LGATE Sink Resistance (Note 6)
LGATE Sink Current (Note 6)
R UGPU
I UGSRC
R UGPD
I UGSNK
R LGPU
I LGSRC
R LGPD
I LGSNK
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
-
-
-
-
-
-
-
-
1.0
2.0
1.0
2.0
1.0
2.0
0.5
4.0
1.5
-
1.5
-
1.5
-
0.9
-
Ω
A
Ω
A
Ω
A
Ω
A
UGATE to LGATE Deadtime
LGATE to UGATE Deadtime
t UGFLGR UGATE falling to LGATE rising, no load
t LGFUGR LGATE falling to UGATE rising, no load
-
-
21
21
-
-
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
0.2
-
-
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
VID<0,1> Low Threshold Voltage
VID<0,1> Input Bias Current
VID<0,1> Leakage Current
I EN
I ENoff
V VIDTHR
V VIDTHF
I VID
I VIDoff
EN = 5V
EN = GND
EN = 5V, V VID = 1V
1.5
-
0.6
-
-
-
2.0
0.1
-
-
0.5
0
2.5
1.0
-
0.5
-
-
μA
μA
V
V
μA
μA
9
September 18, 2009
FN6905.1
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