gm34063 Gamma Microelectronics, gm34063 Datasheet
gm34063
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gm34063 Summary of contents
Page 1
... A A MICROELECTRONICS Description GM34063 has all the functions required for DC-to-DC converters: an internal temperature- compensated ref- erence, comparator, controlled duty cycle oscillator with an active current limit circuit, driver, and high- current output switch. GM34063 is designed for step-down, step-up and volt- age-inverting applications by using a minimum number of external components ...
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... Driver Collector Inventing Input 5 4 GND Switch Collector Switch Emitter Timing Capacitor A : Assembly Location Y : Year Weekly Operation Ambient Temperature Range 0 to 70° 70° 70°C GM34063 (TOP VIEW) DIP - 8 I Sense Comparator Inventing Input GM34063 AYWW ...
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... Thermal Resistance SOIC Package, S Suffix T = 25°C A Thermal Resistance Operating Junction Temperature Operating Ambient Temperature Range GM34063 GM34063E Storage Temperature Range Note 1. Maximum package power dissipation limits must be observed Power Management GM34063 1.5A DC-to-DC CONVERTER CONTROL CIRCUIT VALUE SYMBOL -0 ...
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... A V CE(sat) V CE(sat) , Forced 25° C(Off Reg = 3.0V to 40V) CC line output GM34063 TO Thigh unless otherwise specified) IOW Typ Min Max Unit kHz µ µA 140 220 260 - 5.2 6.5 7.5 mV 250 300 350 - 1.0 1 ...
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... V = 5.0V CC 500 Pin Pin 5 = GND 200 T = 25°C A 100 5.0 2.0 0 125 0.01 0.02 0.05 0.1 0 Oscillator Timing Capacitor(nF) T Figure 6: Output Switch On- Off Time versus Oscillator Timing Capacitor GM34063 Pin Pin 2 = GND 120 T (° CE(sat off ...
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... 175 170 µ 100 Osc 1.25V T + Reference - Comp. Regulator 1500pF 4 330 GM34063 C Results ± 0.05% 10mV = ± 0.017% 400 mVpp 87.7% 40 mVpp 1N5819 1.0 µ OUT OUT 175 Optional O 100 Filter ...
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... Figure 6b. External NPN Switch Power Management 1.5A DC-to-DC CONVERTER CONTROL CIRCUIT Oscillator Comparator 1.25V + Reference - Regulator 100 2 I Oscillator Comparator 1.25V + Reference - Regulator 4 R constant V GM34063 V OUT V OUT 0 for IN 7 ...
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... 500 100 Osc 1N5819 Comp. 3 1.25V Reference T - Regulator 470pF 4 R2 3.6k GM34063 C Results ± 0.15% O 3.5mV = ± 0.03% 120 mVpp = 0.1W 1.1 A 83.7% 40 mVpp 220 µH L 1.0 µ OUT OUT 5 500 470 C O 100 Optional Filter ...
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... Comparator 5 Figure 7a. External NPN Switch Oscillator Comparator + - Figure 7b. External NPN Switch Power Management 1.5A DC-to-DC CONVERTER CONTROL CIRCUIT 1.25V + Reference - Regulator 1.25V Reference Regulator GM34063 V OUT V OUT 9 ...
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... 100 Osc 1.25V Comp. Reference - Regulator 4 R1 953 1000±F GM34063 C Results 3 ± 0.012% O 0.022mV = ± 0.09% =100 mA 500 mVpp 910mA L = 100 mA 62.2% = 100 mA 70 mVpp 88µH L 1N5819 + 1500 pF 1.0 µH V OUT V OUT - 100 mA + 100 C O ...
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... Comparator + - 5 Figure 8a. External NPN Switch Oscillator Comparator + - 5 Figure 8b. External NPN Switch Power Management 1.5A DC-to-DC CONVERTER CONTROL CIRCUIT 1.25V Reference Regulator 1.25V Reference Regulator 4 GM34063 V OUT V OUT 11 ...
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... Q1 I Oscillator Comparator 1.25V + Reference - Regulator Figure 9. Dual Output Voltage Oscillator Comparator 1.25V + Reference - Regulator 5 Figure 10. Higher Output Power, Higher Input Voltage GM34063 +12V + GND 1 + -12V OUT + Isolated form input -V 1 OUT + ...
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... out(max) 0.3/ I pk(switch IN(min) sat out ) ) t t on(max) I on(max) pk(switch pk(switch) on off 8V ripple(pp) and GM34063 Voltage - Inverting out sat off off ( off out(max) ...
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... NOM +0.10 0.410 -0.08 0.26 ± 0.006 +0.15 6.60 -0.16 +0.25 -0.26 +0.002 0.13 -0.006 0.180 MAX +0.05 3.30 4.570 MAX -0.15 0.015 MIN 0.380 MIN 0.125 MIN 3.180 MIN 0.100 NOM 2.540 NOM 0.021 ± 0.005 +0.12 0.53 -0.13 GM34063 0.060 1.52 0.275 0.155 7.0 4.0 0.050 1.270 Inches ( ) mm +0.010 0.30 -0.015 +0.25 7.62 -0.38 +0.002 0.01 -0.003 +0.05 0.25 -0.08 0.365 ± 0.02 9.27 ± 0.51 Inches ...
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... A A MICROELECTRONICS ORDERING NUMBER GM 34063 S8 R Gamma Micro. Circuit Type Power Management GM34063 1.5A DC-to-DC CONVERTER CONTROL CIRCUIT Shipping T: Tube R: Tape & Reel Package S8: SOP-8 D8: DIP-8 15 ...
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... A A MICROELECTRONICS 16 Power Management GM34063 1.5A DC-to-DC CONVERTER CONTROL CIRCUIT ...