参数资料
| 型号： | ISL6277IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 12/37页 |
| 文件大小： | 0K |
| 描述： | IC PWM REG MULTIPH AMD 48-QFN |
| 标准包装： | 4,000 |
| 应用： | 控制器，AMD Fusion? SVI 2.0 CPU GPU |
| 输入电压： | 4.5 V ~ 25 V |
| 输出数： | 2 |
| 输出电压： | 0.006 V ~ 1.55 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-VFQFN 裸露焊盘 |
| 供应商设备封装： | 48-QFN（6x6） |
| 包装： | 带卷 (TR) |
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ISL6277
Electrical Specifications Operating Conditions: V DD = 5V, T A = -10°C to +100°C (HRZ), T A = -40°C to +85°C (IRZ), f SW = 300kHz, unless
otherwise noted. Boldface limits apply over the operating temperature range, -40°C to +100°C. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 6)
TYP
(Note 6)
UNITS
ISEN
Input Bias Current
POWER-GOOD ( PGOOD & PGOOD_NB) AND PROTECTION MONITORS
20
nA
PGOOD Low Voltage
V OL
I PGOOD = 4mA
0.4
V
PGOOD Leakage Current
I OH
PGOOD = 3.3V
-1
1
μA
PWROK High Threshold
VR_HOT_L Pull-down
PWROK Leakage Current
VR_HOT_L Leakage Current
GATE DRIVER
750
11
1
1
mV
?
μA
μA
UGATE Pull-Up Resistance
UGATE Source Current
UGATE Sink Resistance
UGATE Sink Current
LGATE Pull-Up Resistance
LGATE Source Current
LGATE Sink Resistance
LGATE Sink Current
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 - VSSP = 2.5V
250mA Sink Current
LGATE - VSSP = 2.5V
UGATE falling to LGATE rising, no load
LGATE falling to UGATE rising, no load
1.0
2.0
1.0
2.0
1.0
2.0
0.5
4.0
23
28
1.5
1.5
1.5
0.9
?
A
?
A
?
A
?
A
ns
ns
PROTECTION
Overvoltage Threshold
Undervoltage Threshold
OV H
OV H
VSEN rising above setpoint for >1μs
VSEN falls below setpoint for >1μs
275
275
325
325
375
375
mV
mV
Current Imbalance Threshold
One ISEN above another ISEN for >1.2ms
9
mV
Way Overcurrent Trip Threshold
[IMONx Current Based Detection]
IMONx WOC
All states, I DROOP = 60μA, R IMON = 135k ?
15
μA
Overcurrent Trip Threshold
[IMONx Voltage Based Detection]
V IMONx_OCP
All states, I DROOP = 45μA,
I IMONx = 11.25μA , R IMON = 135k ?
1.485
1.51
1.535
V
LOGIC THRESHOLDS
ENABLE Input Low
V IL
1
V
ENABLE Input High
V IH
V IH
HRZ
IRZ
1.6
1.65
V
V
ENABLE Leakage Current
I ENABLE
ENABLE = 0V
-1
0
1
μA
SVT Impedance
ENABLE = 1V
18
50
35
μA
?
SVC, SVD Input Low
SVC, SVD Input High
V IL
V IH
% of VDDIO
% of VDDIO
70
30
%
%
SVC, SVD Leakage
ENABLE = 0V, SVC, SVD = 0V and 1V
ENABLE = 1V, SVC, SVD = 1V
-1
-5
1
1
μA
μA
ENABLE = 1V, SVC, SVD = 0V
-35
-20
-5
μA
PWM
PWM Output Low
PWM Output High
PWM Tri-State Leakage
V 0L
V 0H
Sinking 5mA
Sourcing 5mA
PWM = 2.5V
3.5
1.0
0.5
V
V
μA
12
FN8270.1
March 8, 2012
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