参数资料
型号: TEA1753LT/N1,518
厂商: NXP Semiconductors
文件页数: 24/32页
文件大小: 0K
描述: IC CTLR SMPS SW MODE 16SO
标准包装: 2,500
系列: GreenChip™ III
输出隔离: 隔离
频率范围: 100kHz ~ 150kHz,250kHz
输入电压: 16 V ~ 38 V
输出电压: 650V
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: 带卷 (TR)
NXP Semiconductors
TEA1753LT
HV start-up flyback controller with integrated PFC controller
Table 5. Characteristics …continued
T amb = 25 ? C; V CC = 20 V; all voltages are measured with respect to ground; currents are positive when flowing into the IC;
unless otherwise specified.
Symbol
N cy(ovp)
Parameter
number of overvoltage
Conditions
Min
6
Typ
8
Max
12
Unit
protection cycles
Demagnetization management flyback (FBAUX pin)
V th(comp)FBAUX
comparator threshold voltage
60
80
110
mV
on the FBAUX pin
I prot(FBAUX)
protection current on the
V FBAUX = 50 mV
? 75
-
? 5
nA
FBAUX pin
V clamp(FBAUX)
clamp voltage on the FBAUX
I FBAUX = ? 100 ? A
? 0.85 ? 0.7
? 0.55 V
pin
I FBAUX = 300 ? A
0.79
0.94
1.09
V
t sup(xfmr_ring)
transformer ringing
1.5
2
2.5
? 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
? s
Oscillator flyback
f sw(fb)max
maximum flyback switching
100
125
150
kHz
frequency
V start(VCO)FBCTRL
VCO start voltage on the
1.3
1.5
1.7
V
FBCTRL pin
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
? V VCO(FBCTRL)
VCO voltage difference on the
-
? 0.12 -
V
FBCTRL pin
Peak current control flyback (FBCTRL pin)
V FBCTRL
V to(FBCTRL)
R int(FBCTRL)
voltage on the FBCTRL pin
time-out voltage on the
FBCTRL pin
internal resistance on the
for maximum flyback peak current
enable voltage
trip voltage
1.85
-
4.2
-
2
2.5
4.5
3
2.15
-
4.8
-
V
V
V
k ?
FBCTRL pin
I O(FBCTRL)
output current on the FBCTRL
V FBCTRL = 0 V
? 1.4
? 1.19 ? 0.93 mA
pin
V FBCTRL = 2 V
? 0.6
? 0.5
? 0.4
mA
I to(FBCTRL)
time-out current on the
V FBCTRL = 2.6 V
? 36
? 30
? 24
? A
FBCTRL pin
Valley switching flyback (HV pin)
V FBCTRL = 4.1 V
? 34.5 ? 28.5 ? 22.5 ? A
( ? V/ ? t) vrec(fb)
flyback valley recognition
? 75
-
+75
V/ ? s
voltage change with time
t d(vrec-swon)
valley recognition to switch on
-
150
-
ns
delay time
Soft-start flyback (FBSENSE pin)
I start(soft)fb
flyback soft-start current
? 75
? 60
? 45
? A
V start(soft)fb
flyback soft-start voltage
enable voltage
0.55
0.63
0.70
V
TEA1753LT
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 24 August 2012
? NXP B.V. 2012. All rights reserved.
24 of 32
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