參數(shù)資料
型號(hào)： CS5158GDR16
廠商： ZF Electronics Corporation
英文描述： CPU 5-Bit Synchronous Buck Controller
中文描述： CPU的5位同步降壓控制器
文件頁(yè)數(shù)： 4/14頁(yè)
文件大?。?/td> 231K
代理商： CS5158GDR16
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
4
C
Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
Electrical Characteristics:
0°C < T
A
< +70°C; 0°C < T
J
< +85°C; 8V < V
CC1
< 14V ; 5V < V
CC2
< 14V ; DAC Code: V
ID4
= V
ID2
= V
ID1
= V
ID0
= 1; V
ID3
= 0; CV
GATE(L)
and CV
GATE(H)
= 1nF; C
OFF
= 330pF; C
SS
= 0.1μF, unless otherwise specified.
I
PWM Comparator
Transient Response
V
FFB
= 0 to 5V to V
GATE(H)
= 9V to 1V;
V
CC1
= V
CC2
= 12V
V
FFB
= 0V
100
125
ns
V
FFB
Bias Current
0.3
μA
I
Supply Current
I
CC1
No Switching
I
CC2
No Switching
Operating I
CC1
Operating I
CC2
8.5
1.6
8
2
13.5
3.0
13
5
mA
mA
mA
mA
V
FB
= COMP = V
FFB
V
FB
= COMP = V
FFB
I
C
OFF
Normal Charge Time
Extension Charge Time
Discharge Current
V
FFB
= 1.5V; V
SS
= 5V
V
SS
= V
FFB
= 0
C
OFF
to 5V; V
FB
>1V
1.0
5.0
5.0
1.6
8.0
2.2
11.0
μs
μs
mA
I
Time Out Timer
Time Out Time
V
FB
= V
COMP
; V
FFB
= 2V;
Record V
GATE(H)
Pulse High Duration
V
FFB
= 0V
10
30
50
μs
Fault Mode Duty Cycle
35
50
65
%
Note 1: Guaranteed by design, not 100% tested in production.
16L SO Narrow
1,2,3,4,6
V
ID0
– V
ID4
Voltage ID DAC input pins. These pins are internally pulled up to 5V
providing logic ones if left open. V
ID4
selects the DAC range. When V
ID4
is High (logic one), the DAC range is 2.10V to 3.50V with 100mV incre-
ments. When V
ID4
is Low (logic zero), the DAC range is 1.30V to 2.05V
with 50mV increments. V
ID0
- V
ID4
select the desired DAC output volt-
age. Leaving all 5 DAC input pins open results in a DAC output voltage
of 1.2440V, allowing for adjustable output voltage, using a traditional
resistor divider.
5
SS
Soft Start Pin. A capacitor from this pin to LGnd in conjunction with
internal 60μA current source provides soft start function for the con-
troller. This pin disables fault detect function during Soft Start. When a
fault is detected, the soft start capacitor is slowly discharged by internal
2μA current source setting the time out before trying to restart the IC.
Charge/discharge current ratio of 30 sets the duty cycle for the IC when
the regulator output is shorted.
7
C
OFF
A capacitor from this pin to ground sets the time duration for the on
board one shot, which is used for the constant off time architecture.
8
V
FFB
Fast feedback connection to the PWM comparator. This pin is connected
to the regulator output. The inner feedback loop terminates on time.
9
V
CC2
V
GATE(H)
Boosted power for the high side gate driver.
10
High FET driver pin capable of 1.5A peak switching current. Internal cir-
cuit prevents V
GATE(H)
and V
GATE(L)
from being in high state simultane-
ously.
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