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參數資料
| 型號： | CS51312GD16 |
| 廠商： | ZF Electronics Corporation |
| 英文描述： | Synchronous CPU Buck Controller for 12V Only Applications |
| 中文描述： | 同步降壓控制器的CPU，只有應用的12V |
| 文件頁數： | 4/18頁 |
| 文件大?。?/td> | 276K |
| 代理商： | CS51312GD16 |
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
4
C
Electrical Characteristics: 0
C < T
A
< 70
C; 0
C < T
J
< 125
C; 9V < V
< 14V; 9V
≤
V
≤
20V;
2.0V DAC Code(V
ID4
= V
ID3
=V
ID2
= V
ID1
= 0, V
ID0
= 1), C
GATE(H)
= C
GATE(L)
= 3.3nF, C
OFF
= 390pF; Unless otherwise stated.
Line Regulation
9V
≤
V
CC1
≤
14V
V
ID4
, V
ID3
, V
ID2
, V
ID1
, V
ID0
V
ID4
, V
ID3
, V
ID2
, V
ID1
, V
ID0
0.01
%/V
Input Threshold
1.00
1.25
2.40
V
Input Pull-up Resistance
25
50
100
k
Pull-up Voltage
5.48
5.65
5.82
V
I
GATE(H) and GATE(L)
High Voltage at 100mA
Measure V
CC1/2
–GATE(L)/(H)
Measure GATE(L)/(H)
1.6V < GATE(H)/(L) < (V
CC1/2
– 2.5V)
1.2
2.1
V
Low Voltage at 100mA
Rise Time
1.0
40
1.5
80
V
ns
Fall Time
(V
CC1/2
– 2.5V) > GATE(L)/(H) > 1.6V
40
80
ns
GATE(H) to GATE(L) Delay
GATE(H)<2V, GATE(L)>2V, V
CC1/2
=12V 30
GATE(L)<2V, GATE(H)>2V,V
CC1/2
=12V
Resistance to Gnd (Note 2)
65
110
ns
GATE(L) to GATE(H) Delay
30
65
110
ns
GATE pull-down
20
50
115
k
I
Overcurrent Protection
OVC Comparator Offset Voltage
0V
≤
V
OUT
≤
3.5V
77
86
101
mV
Discharge Threshold Voltage
V
OUT
Bias Current
OVC Latch Discharge Current
0.2
-7.0
0.25
0.1
0.3
7.0
V
μA
0.2V
≤
V
OUT
≤
3.5V
V
COMP
= 1V
100
800
2500
μA
I
PWM Comparator
PWM Comparator Offset Voltage
0V
≤
V
FB
≤
3.5V
V
FB
= 0 to 3.5V
0.99
1.10
1.23
V
Transient Response
200
300
ns
I
C
OFF
Off-Time
Charge Current
1.0
1.6
550
2.3
μs
μA
V
COFF
= 1.5V
V
COFF
= 1.5V
Discharge Current
25
mA
I
Power-Good Output
PWRGD Sink Current
V
FB
= 1.7V, V
PWRGD
= 1V
% of nominal DAC code
% of nominal DAC code
V
FB
= 1.7V, I
PWRGD
= 500μA
0.5
4
15
mA
PWRGD Upper Threshold
PWRGD Lower Threshold
PWRGD Output Low Voltage
5
8.5
-8.5
0.2
12
-5
0.3
%
%
V
-12
I
Overvoltage Protection (OVP) Output
OVP Source Current
OVP Threshold
OVP Pull-up Voltage
OVP = 1V
% of nominal DAC code
I
OVP
= 1mA, V
CC1
- V
OVP
1
5
10
8.5
1.1
25
12
1.5
mA
%
V
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