参数资料
型号: ZL2004ALNNT1
厂商: Intersil
文件页数: 5/42页
文件大小: 0K
描述: IC REG CTRLR BUCK SYNC ADJ 32QFN
标准包装: 1,000
PWM 型: 电压模式
输出数: 1
频率 - 最大: *
占空比: 95%
电源电压: 4.5 V ~ 14 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 32-VFQFN 裸露焊盘
包装: 带卷 (TR)
ZL2004
Table 3. Electrical Characteristics (continued)
V DD = 12 V, T A = -40 C to 85 C unless otherwise noted. Typical values are at T A = 25 C.
Parameter
Conditions
Min
10
Typ
Max
10
Unit
Oscillator and Switching Characteristic s
Switching frequency range
Switching frequency set-point accuracy
200
-5
1400
5
kHz
%
Maximum PWM duty cycle
Minimum SYNC pulse width
Input clock frequency drift tolerance
Factory default
External clock source
95
150
- 13
13
%
ns
%
Tracking
VTRK input bias current
VTRK tracking ramp accuracy
VTRK regulation accuracy
VTRK = 4.0 V
100% Tracking, V OUT - VTRK
100% Tracking, V OUT - VTRK
- 100
-1
110
200
+ 100
1
μA
mV
%
Fault Protection Characteristics
UVLO threshold range
UVLO set-point accuracy
UVLO hysteresis
UVLO delay
Power good V OUT low threshold
Power good V OUT high threshold
Power good V OUT hysteresis
Power good delay
VSEN undervoltage threshold
VSEN overvoltage threshold
VSEN undervoltage hysteresis
VSEN undervoltage/ overvoltage fault
response time
Current limit set-point accuracy
(V OUT referenced)
Current limit protection delay
Temperature compensation of
current limit protection threshold
Thermal protection threshold (junction
temperature)
Thermal protection hysteresis
Configurable via I 2 C/SMBus
Factory default
Configurable via I 2 C/SMBus
Factory default
Factory default
Factory default
Using pin-strap or resistor 7
Configurable via I 2 C/SMBus
Factory default
Configurable via I 2 C/SMBus
Factory default
Configurable via I 2 C/SMBus
Factory default
Configurable via I 2 C/SMBus
Factory default
Configurable via I 2 C/SMBus
Factory default
Configurable via I 2 C/SMBus
Factory default
Configurable via I 2 C/SMBus
2.85
- 150
0
2
0
0
0
5
1
100
- 40
3
90
115
5
85
115
5
16
±10
5
4400
125
15
16
150
100
2.5
20
500
110
115
60
32
12700
125
V
mV
%
%
μs
% V OUT
% V OUT
%
ms
s
% V OUT
% V OUT
% V OUT
% V OUT
% V OUT
μs
μs
% FS 8
t SW 9
t SW 9
ppm /
°C
°C
°C
°C
Notes:
7. Factory default Power Good delay is set to the same value as the soft start ramp time.
8. Percentage of Full Scale (FS) with temperature compensation applied.
9. t SW = 1/f SW , where f SW is the switching frequency.
10. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
5
FN6846.3
February 15, 2011
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