參數(shù)資料
型號(hào): CS51311GD14
廠商: ZF Electronics Corporation
英文描述: Synchronous CPU Buck Controller for 12V and 5V Applications
中文描述: 同步降壓控制器的CPU為12V和5V的應(yīng)用
文件頁(yè)數(shù): 5/19頁(yè)
文件大?。?/td> 239K
代理商: CS51311GD14
C
5
Electrical Characteristics: 0
C < T
A
< 70
C; 0
C < T
J
< 125
C; 9V < V
< 14V;
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.
+
-
+
-
+
-
V
FB
COMP
C
OFF
OFF
TIME
PWM COMP
DISCHARGE
COMP
-
+
V
OUT
V
ID0
V
ID1
V
ID2
V
ID3
V
ID4
DAC
+
+
+
1.1V
EA
CURRENT LIMIT
+
-
86mV
0.25V
FAULT
LATCH
S
R
Q
PWRGD
Gnd
GATE(L)
GATE(H)
V
CC
UVLO
NONOVERLAP
LOGIC
+
-
Block Diagram
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I
General Electrical Specifications
V
CC
Monitor Start Threshold
V
CC
Monitor Stop Threshold
Hysteresis
V
CC
Supply Current
7.9
8.4
8.9
V
7.6
8.1
8.6
V
Start - Stop
No Load on GATE(H), GATE(L)
0.15
0.30
12
0.60
20
V
mA
Note 1: The IC power dissipation in a typical application with V
CC
= 12V, switching frequency f
SW
= 250kHz, 50nc
MOSFETs and R
θ
JA
= 115°C/W yields an operating junction temperature rise of approximately 52°C, and a junction tem-
perature of 77°C with an ambient temperature of 25°C.
Note 2: Guaranteed by design, not 100% tested in production.
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