GP34063 Datasheet, PDF (2/6 Pages) GTM CORPORATION – DC TO DC CONVERTER CONTROLLER

Absolute Maximum Ratings at Ta = 25к
Parameter
Symbol
Operating junction temperature
Tj
Operating ambient temperature range
Ta
Storage Temperature range
Tstg
Supply Voltage
Vcc
Comparator input voltage range
Vi(comp)
Switch collector voltage
Vc(sw)
Switch Emitter voltage
Ve(sw)
Switch collector to Emitter voltage
Vce(dr)
Switch current
Isw
Power Dissipation
Pd
Thermal Characteristics
VALUE
150
0 ~ 70
-65 ~ 150
40
-0.3 ~ +40
40
40
40
1.5
1250
100
ISSUED DATE :2004/02/10
REVISED DATE :2004/11/23C
Unit
к
к
к
V
V
V
V
V
A
mW
к /W
Electrical Characteristics (0к TA 70к,Vcc=5V unless otherwise specified)
Parameter
SYMBOL
Test Conditions
Min
Typ.
Max.
Unit
Oscillator
Frequency
Charging Current
fosc V_Pin5=0V, C_T=1.0nF, Ta=25к
24
42
lchg Vcc = 5 to 40, Ta = 25к
22
31
48
kHz
42
uA
Discharging Current
ldischg Vcc = 5 to 40, Ta = 25к
140
190
260
uA
Discharge to Charge Current Ratio
K
Pin7 to Vcc, Ta = 25к
5.2
6.1
7.5
Current limit Sense Voltage
Vsense Ichg = idschg, Ta = 25к
250
300
350
mV
Output Switch
Saturation Voltage 1(note)
Vce(sat)1 Isw = 1A,Vc(driver) = Vc(sw)
0.95
1.3
V
Saturation Voltage 2(note)
Vce(sat)2 Isw = 1A,Vc(driver) = 50mA
0.45
0.7
V
DC Current Gain(note)
Gi(DC) Isw = 1A,Vce = 5V, Ta = 25к
50
180
Collect Off State Current (note)
Comparator
Threshold Voltage
Threshold Voltage Line Regulation
Input Bias Current
Total Device
Supply Current
C(off) Vce = 40V, Ta = 25к
0.01
100
uA
Vcc=5V, Ta = 25к 34063A 1.241
1.25
1.259
V
Vth
34063B 1.237
1.25
1.262
V
34063C 1.225
1.25
1.275
V
Vth Vcc = 3 ~ 40V
2
5
mV
Ibias Vi = 0V
50
400
nA
Vcc = 5 ~ 40V,
Ct = 0.001,
Icc
Pin7 to Vcc,
Vc > Vth,
Pin2 = GND
2.7
4.0
mA
Note Κ Output switch tests are performed under pulsed conditions to minimize power dissipation.
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