參數(shù)資料
型號(hào): TDA16850-2
廠商: INFINEON TECHNOLOGIES AG
元件分類: 穩(wěn)壓器
英文描述: 0.1 A SWITCHING CONTROLLER, 70 kHz SWITCHING FREQ-MAX, PDIP8
封裝: PLASTIC, DIP-8
文件頁(yè)數(shù): 27/27頁(yè)
文件大小: 667K
代理商: TDA16850-2
TDA16850-2
Version 2.0
9
1 April 2001
2 Functional Description
Figure 1 Flow Chart of Operation
Note: If not otherwise stated the figures shown in this section represent typical performance characteristic
LATCH
T
DELAY = 70s
V
VCC < 7.5 V
Startup Mode
V
VCC < VZ1
I
VCC = 3 m A + I OPTO
I
OPTO = 0 ... 2 m A (U OPTO = 2 V)
V
VREG = 1 1 V
f
GATE (no sync) = 20 kH z
f
GATE (sync) = 30 ... 130 kH z
Standby Mode
V
VCC < VZ1
I
VCC= 3 m A + I OPTO + IGATE
I
OPTO =0,16 ... 2 m A (U OPTO= 2 V)
V
REG= 11 V
f
GATE (no sync) = 20 kH z
f
GATE (sync) = 30 ... 130 kH z
Off Mode
V
VCC < 21 V
I
VCC < 100 A
I
OPTO < 50 A (U OPTO= 0,5 V)
f
Gate =
0 kHz
Normal Mode
V
VCC< VZ1
I
VCC = 3 m A + IOPTO + IGATE
I
OPTO = 2 ... 6 m A (U OPTO= 2 V)
V
REG = 11 V ... 85 V
f
GATE (no sync) = 60 kH z
f
GATE (sync) = 30 ... 130 kH z
V
VCC > 21 V
I
OPTO > 2 m A
Power Down Mode
I
VCC = 3 m A + I OPTO + IGATE
I
OPTO = 0 ... 160 uA (U OPTO= 2 V)
f
GATE = 0 kH z
I
OPTO > 160 A
I
OPTO < 2 m A
I
OPTO < 160 A
t > 10 s
I
OPTO > 50 A
t
I
Main Sw itch "ON"
U
CS
1.2 V
U
SST
t
Over Current
V
CS > 1.2 V
Short Circuit
V
CS > 1.5 V
I
OPTO > 2 m A
U
CS
1.5 V
U
GATE
t
Protection Mode
f
GATE =
0 kHz
V
VCC
0 V
V
SST
0 V
Failure Modes
IC Overtemperature
T
j > 150 °C
IC Supply Overvoltage
V
VCC > 23 V
VREGLoop Failure
V
SST > 2.6V & VVREG < 3V
Mains Undervoltage
dV
CS
dt
70 m V
1 s ec
<
IC Supply Undervoltage
V
VCC < 8 V
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