CS51311GD14 Cherry Semiconductor Corporation, CS51311GD14 Datasheet - Page 4

• Manufacturer Part Number: CS51311GD14
• Description: Synchronous CPU Buck Controller for 12V and 5V Applications
• Manufacturer: Cherry Semiconductor Corporation

2.0V DAC Code (V
Line Regulation
Input Threshold
Input Pull-up Resistance
Pull-up Voltage
High Voltage at 100mA
Low Voltage at 100mA
Rise Time
Fall Time
GATE(H) to GATE(L) Delay
GATE(L) to GATE(H) Delay
GATE pull-down
OVC Comparator Offset Voltage
Discharge Threshold Voltage
V
OVC Latch Discharge Current
PWM Comparator Offset Voltage
Transient Response
Off-Time
Charge Current
Discharge Current
PWRGD Sink Current
PWRGD Upper Threshold
PWRGD Lower Threshold
PWRGD Output Low Voltage
OUT
GATE(H) and GATE(L)
Overcurrent Protection
PWM Comparator
C
Power-Good Output
OFF
Bias Current
PARAMETER
ID4
= V
Electrical Characteristics: 0˚C < T
ID3
=V
ID2
= V
9V ≤ V
V
V
Measure V
Measure GATE(L)/(H)
1.6V < GATE(H)/(L) < (V
(V
GATE(H) < 2V, GATE(L) > 2V
V
GATE(L) < 2V, GATE(H) > 2V
V
Resistance to Gnd (Note 2)
0V ≤ V
0.2V ≤ V
V
0V ≤ V
V
V
V
V
% of nominal DAC code
% of nominal DAC code
V
ID4
ID4
CC
CC
COMP
FB
COFF
COFF
FB
FB
ID1
CC
= 0 to 3.5V
= 1.7V, V
= 1.7V, I
, V
, V
= 12V
= 12V
TEST CONDITIONS
– 2.5V) > GATE(L)/(H) > 1.6V
= 0, V
= 1.5V
= 1.5V
CC
OUT
FB
ID3
ID3
= 1V
OUT
≤ 3.5V
≤ 14V
, V
, V
CC
ID0
≤ 3.5V
PWRGD
ID2
ID2
≤ 3.5V
PWRGD
–GATE(L)/(H)
= 1), C
, V
, V
ID1
ID1
A
= 500µA
= 1V
GATE(H)
, V
, V
< 70˚C; 0˚C < T
4
ID0
ID0
CC
= C
– 2.5V)
GATE(L)
J
< 125˚C; 9V < V
= 3.3nF, C
MIN
1.00
5.48
0.99
-7.0
100
-12
0.2
1.0
0.5
25
30
30
20
77
5
OFF
CC
= 390pF; Unless otherwise stated.
TYP
0.01
1.25
5.65
0.25
1.10
-8.5
800
200
550
1.2
1.0
0.1
1.6
8.5
0.2
50
40
40
65
65
50
86
25
4
< 14V;
MAX
2500
2.40
5.82
1.23
100
110
110
115
101
300
2.1
1.5
0.3
7.0
2.3
0.3
80
80
15
12
-5
%/V
UNIT
mA
mA
mV
kΩ
kΩ
µA
µA
µA
ns
ns
ns
ns
ns
µs
%
%
V
V
V
V
V
V
V