参数资料
型号: TEA1752LT/N1,518
厂商: NXP Semiconductors
文件页数: 25/34页
文件大小: 0K
描述: IC CTLR SMPS SW MODE 16SOIC
标准包装: 1
输出隔离: 隔离
输入电压: 14 V ~ 38 V
功率(瓦特): 600mW
工作温度: -40°C ~ 150°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SO
包装: 标准包装
其它名称: 568-5962-6
NXP Semiconductors
TEA1752T; TEA1752LT
GreenChip III SMPS control IC
Table 5. Characteristics …continued
T amb = 25 ° C; V CC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
the IC; unless otherwise specified.
Symbol
I prot(PFCAUX)
Parameter
protection current on pin
Conditions
V PFCAUX = 50 mV
Min
? 75
Typ
-
Max
? 5
Unit
nA
PFCAUX
PFC off delay (pin PFCTIMER)
I source(PFCTIMER)
source current on pin
-
? 10
-
μ A
PFCTIMER
I sink(PFCTIMER)
V start(PFCTIMER)
V stop(PFCTIMER)
sink current on pin PFCTIMER
start voltage on pin PFCTIMER
stop voltage on pin PFCTIMER
-
-
-
0.9
1.27
3.6
-
-
-
mA
V
V
Driver (pin PFCDRIVER)
I src(PFCDRIVER)
source current on pin
V PFCDRIVER = 2 V
-
? 0.5
-
A
PFCDRIVER
I sink(PFCDRIVER)
V O(PFCDRIVER)max
sink current on pin
PFCDRIVER
maximum output voltage on pin
V PFCDRIVER = 2 V
V PFCDRIVER = 10 V
-
-
-
0.7
1.2
11
-
-
12
A
A
V
PFCDRIVER
Overvoltage protection flyback (pin FBAUX)
I ovp(FBAUX)
overvoltage protection current
279
300
321
μ A
on pin FBAUX
N cy(ovp)
number of overvoltage
6
8
12
protection cycles
Demagnetization management flyback (pin FBAUX)
V th(comp)FBAUX
comparator threshold voltage
60
80
110
mV
on pin FBAUX
I prot(FBAUX)
protection current on pin
V FBAUX = 50 mV
? 75
-
? 5
nA
FBAUX
V clamp(FBAUX)
clamp voltage on pin FBAUX
I FBAUX = ? 100 μ A
? 0.85 ? 0.7
? 0.55 V
I FBAUX = 300 μ A
0.79
0.94
1.09
V
t sup(xfmr_ring)
transformer ringing
1.5
2
2.5
μ s
suppression time
Pulse width modulator flyback
t on(fb)min
t on(fb)max
minimum flyback on-time
maximum flyback on-time
-
32
t leb
40
-
48
ns
μ s
Oscillator flyback
f sw(fb)max
maximum flyback switching
100
125
150
kHz
frequency
V start(VCO)FBCTRL
VCO start voltage on pin
1.3
1.5
1.7
V
FBCTRL
f sw(fb)swon(PFC)
PFC switch-on flyback
-
86
-
kHz
switching frequency
f sw(fb)swoff(PFC)
PFC switch-off flyback
-
48
-
kHz
switching frequency
Δ V VCO(FBCTRL)
VCO voltage difference on pin
-
? 0.2
-
V
FBCTRL
TEA1752T_LT
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 24 June 2010
? NXP B.V. 2010. All rights reserved.
25 of 34
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