参数资料
型号: NCP5215MNR2G
厂商: ON Semiconductor
文件页数: 6/21页
文件大小: 0K
描述: IC CTLR SYNC BUCK DUAL 40-QFN
产品变化通告: Product Discontinuation 01/Oct/2008
标准包装: 2,500
应用: 控制器,笔记本电脑电源系统
输入电压: 4.5 V ~ 24 V
输出数: 2
输出电压: 0.8 V ~ 3 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-VFQFN 裸露焊盘
供应商设备封装: 40-QFN(6x6)
包装: 带卷 (TR)
NCP5215
ELECTRICAL CHARACTERISTICS (continued) (V CC = 5.0 V, V IN = 12 V, F SET = 5.0 V, Fsw = 300 kHz, T A = ? 40 ° C to 85 ° C, unless
otherwise noted)
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
THERMAL SHUTDOWN
Thermal Shutdown
Thermal Shutdown Hysteresis
Tsd
Tsdhys
(Note 4)
(Note 4)
?
?
150
30
?
?
° C
° C
OSCILLATOR
Operation Frequency
Fsw
FSET pin open loop (T A = 25 ° C)
Pull high FSET pin (T A = 25 ° C)
(T A = ? 40 ° C to 85 ° C)
Pull low FSET pin (T A = 25 ° C)
160
262.5
255
340
200
300
?
400
240
337.5
345
460
kHz
kHz
kHz
SOFT ? START
Soft ? Start Source Current
Soft ? Start Complete Threshold
I SS
V SSTh
(Note 4)
?
3.0
?
4.0
0.9
5.0
?
m A
V
SWITCHING REGULATORS
Main Ramp Amplitude Voltage
Maximum Duty Cycle
Vramp
Dmax
V IN = 5.0 V (Note 4)
V IN = 5.0 V
V IN = 12 V
V IN = 24 V
?
?
?
?
1.25
92
48
27
?
?
?
?
V
%
%
%
GATE DRIVERS
TG Gate Pull ? HIGH Resistance
TG Gate Pull ? LOW Resistance
BG Gate Pull ? HIGH Resistance
BG Gate Pull ? LOW Resistance
Dead Time
R H_TG1 , R H_TG2
R L_TG1 , R L_TG2
R H_BG1 , R H_BG2
R L_BG1 , R L_BG2
T LH
T HL
V BST ? V SWN = 5.0 V,
V TG ? V SWN = 4.0 V
V BST ? V SWN = 5.0 V,
V TG ? V SWN = 1.0 V
V CCP = 5.0 V, V BG = 4.0 V
V CCP = 5.0 V, V BG = 1.0 V
BG Falling to TG Rising
TG Falling to BG Rising
?
?
?
?
?
?
1.5
1.5
1.5
0.5
42
34
4.0
4.0
4.0
1.5
?
?
W
W
W
W
ns
DIFFERENTIAL CURRENT ERROR AMPLIFIER
Input Bias Current
CS+ to CS ? Input Signal Range
Output Voltage Swing
Offset Current at VDRP
[(CS+) ? (CS ? )] to VDRP Gain
CS ? IIB
VCS_MAX
VOS_DRP
Ioffset_DRP
Gain_CS
?
Refer to AGND
(Note 4)
(CS+) ? (CS ? ) = 0 V, no connection
from VDRP pin to VREF
(CS+) ? (CS ? ) = 20 mV
? 200
?
0.6
? 1.0
2.35
?
?
?
?
2.6
200
3.0
1.0
1.0
2.85
nA
V
V
m A
V/V
((V_VDRP ? Vref)/
((CS+) ? (CS ? )))
Internal Droop Resistance
R DRP
From V DRP to V REF
2.4
2.65
2.9
k W
4. Guaranteed by design, not tested in production.
http://onsemi.com
6
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